AHMAD   FAHIMIFAR Professor   Journal Papers   Amin Tohidi, Ahmad Fahimifar, Vamegh Rasouli, "Analytical Solution to Study Depletion/Injection Rate on Induced Wellbore Stresses in an Anisotropic Stress Field," Geotechnical And Geological Engineering, Vol. 422, No. 1, PP. 1 - 10, 22 December 2017. Amirmansoor Asgari Fateh, Abolfazl Eslami, Ahmad Fahimifar, "A study of the axial load behaviour of helicalpiles in sand by frustum confining vessel," International Journal Of Physical Modelling In Geotechnics, Vol. -, No. 0, PP. 0 - 0, 06 September 2017. Danial Jahed Armaghani, Vali Safari, Ahmad Fahimifar, Mohd For Mohd Amin, Masoud Monjezi, Mir Ahmad Mohammadi, "Uniaxial compressive strength prediction through a new technique base on gene expression programming," Neural Computing & Applications, Vol. 0, No. 0, PP. 0 - 0, 21 March 2017. Behnam Yazdani Bejarbneh, Elham Yazdani Bejarbaneh, Mohd For Mohd Amin, Ahmad Fahimifar, Danial Jahed Armaghani, Muhd Zaimi Abd Majid, "Intelligent modelling of sandstone deformation behaviour using fuzzy logic and neural network systems," Bulletin Of Engineering Geology And The Environment, Vol. 75, No. 0, PP. 0 - 0, 29 November 2016. Masoud Ranjbarnia, Ahmad Fahimifar, Pierpaolo Oreste, "New analytical approaches for evaluating the performance of systematic pre-tensioned fully grouted rockbolts in tunnel stabilization," Archives Of Mining Sciences, Vol. 61, No. 4, PP. 823 - 852, 08 November 2016. Mohammadreza Zareifard, Ahmad Fahimifar, "A simplified solution for stresses around lined pressure tunnels considering non-radial symmetrical seepage flow," Ksce Journal Of Civil Engineering, Vol. 20, No. 7, PP. 2640 - 2654, 22 October 2016. Hamzeh Zakeri, Fereidoon Moghadas Nejad, Ahmad Fahimifar, "Image Based Techniques for Crack Detection, Classificationand Quantification in Asphalt Pavement: A Review," Archives Of Computational Methods In Engineering, Vol. 0, No. 0, PP. 0 - 0, 17 September 2016. Amir Mansour Askari Fateh, Abolfazl Eslami, Ahmad Fahimifar, "Study of Soil Disturbance Effect on Bearing Capacity of Helical Pile by Experimental Modelling in FCV," International Journal Of Geotechnical Engineering, Vol. 0, No. 0, PP. 0 - 0, 12 September 2016. Hamzeh Zakeri, Fereidoon Moghadas Nejad, Ahmad Fahimifar, "Rahbin: A quadcopter unmanned aerial vehicle based on a systematicimage processing approach toward an automated asphaltpavement inspection," Automation In Construction, Vol. -, No. 0, PP. 0 - 0, 07 September 2016. Ahmad Fahimifar, Meysam Imani, "Effect of Rock Mass Shearing Strength Parameters on the Bearing Capacity of Submerged Rock Foundations," , Vol. 1, No. 1, PP. 1 - 17, 19 June 2016. Mohammad Reza Zareifard, Ahmad Fahimifar, "analytical solutions for the stresses and deformations of deep tunnels in an elastic-brittle-plastic rock mass considering the damaged zone," Tunnelling And Underground Space Technology, Vol. 0, No. 0, PP. 0 - 0, 19 April 2016. Masoud Ranjbarnia, Pierpaolo Oreste, Ahmad Fahimifar, Amir Arya, "Analytical -numerical solution for stress distribution around tunnel reinforced by radial fully grouted rockbolts," International Journal For Numerical And Analytical Methods In Geomechanics, Vol. -, No. 0, PP. 1 - 19, 04 April 2016. Vasim Davood, Taghi Ebadi, Ahmad Fahimifar, "Regeneration of acid-modified activated carbon used for removal of toxic metal hexavalent chromium from aqueous solution by electro kinetic process," Desalination And Water Treatment, Vol. 57, No. 15, PP. 7009 - 7020, 06 March 2016. Davoud Parsapour, Ahmad Fahimifar, "Prediction of swelling rocks strain in tunneling," Geotectonics, Vol. 50, No. 3, PP. 336 - 346, 07 February 2016. Amir Mansour Askari Fateh, Abolfazl Eslami, Ahmad Fahimifar, "Direct CPT and CPTu methods for determining bearing capacity of helical piles," Marine Georesources & Geotechnology, Vol. 0, No. 0, PP. 0 - 0, 05 January 2016. Mohammad Hossein Taherynia, Seyed Mahmoud Fatemi Aghda, Ahmad Fahimifar, "in-situ stress state and tectonic regime in different depths of earth crust," Geotechnical And Geological Engineering, Vol. -, No. 0, PP. 0 - 0, 02 January 2016. Masoud Ranjbarnia, Ahmad Fahimifar, Pierpaolo Oreste, "practical method for the design of pretensioned fully grouted rockbolts in tunnels," International Journal Of Geomechanics, Vol. -, No. 0, PP. 0 - 0, 12 October 2015. Ahmad Fahimifar, Amin Tohydi, "Review on the analytical solutions applicable in wellbore stability," Oil And Gas Exploration And Production, Vol. 129, No. 0, PP. 54 - 60, 27 July 2015. Ahmad Fahimifar, Magtaba Karami, Asgar Fahimifar, "modifications to an elasto -visco-plastic connstitutive model for prediction of creep deformation of rock samples," Soils And Foundations, Vol. 55, No. 6, PP. 1364 - 1371, 09 June 2015. Amir Hossein Javid, Ahmad Fahimifar, Seyed Meysam Imani, "numerical investigation on the bearing capacity of two interfering strip footings resting on a rock mass," Computers And Geotechnics, Vol. 69, No. 6, PP. 514 - 528, 02 June 2015. Davoud Parsapour, Ahmad Fahimifar, "semi-analytical solution for time-dependent deformations in swelling rocks around circular tunnels," Geosciences Journal, Vol. 0, No. 0, PP. 0 - 0, 31 May 2015. Meysam Imani, Ahmad Fahimifar, Mostafa Sharifzadeh, "Effects of Joint Spacing on Static Bearing Capacity of Rock Foundations in the case of Punching Failure," , Vol. 46, No. 2, PP. 91 - 100, 04 February 2015. Ahmad Fahimifar, Hamed Gadami, Masoud Ahmadvand, "the ground response curve of underwater tunnels excavated in a strain-softening rock mass," Geomechanics And Engineering, Vol. 8, No. 3, PP. 323 - 359, 20 January 2015. Vasim Davood, Taghi Ebadi, Ahmad Fahimifar, "Removal of hexavalent chromium from aqueous solutions using micro zero-valent iron supported by bentonite layer," Water Science And Technology, Vol. 0, No. 0, PP. 0 - 0, 17 December 2014. Manouchehr Sanei, Lohrasb Faramarzi, Ahmad Fahimifar, Sareh Goli, Abolfazl Mehinrad, Asghar Rahmati, "shear strength of discontinuities in sedimentary rock masses based on direct shear tests," International Journal Of Rock Mechanics And Mining Sciences, Vol. -, No. 75, PP. 119 - 131, 20 November 2014. Vasim Davood, Taghi Ebadi, Ahmad Fahimifar, "optimization of hexavalent chromium removal from aqueous solution using acid-modified granular activated carbon as adsorbent through response surface methodology," Korean Journal Of Chemical Engineering, Vol. -, No. 0, PP. 0 - 0, 13 November 2014. Masoud Ranjbarnia, Ahmad Fahimifar, Pierpaolo Oreste, "a simplified model to study the behavior of pre-tensioned fully grouted bolts around tunnels and to analyze the more important influencing parameters," Journal Of Mining Science, Vol. 3, No. 50, PP. 533 - 548, 16 June 2014. Ahmad Fahimifar, Hamed Ghadami, Masoud Ahmadvand, "an elasto-plastic model for underwater tunnels considering seepage body forces and strain -softening behaviour," European Journal Of Environmental And Civil Engineering, Vol. 2, No. 19, PP. 129 - 151, 09 June 2014. Masoud Ranjbarnia, Ahmad Fahimifar, Pierpaolo Oreste, "analysis of non -linear strain - softening behaviour around tunnels," Proceedings Of The Institution Of Civil Engineers-civil Engineering, Vol. -, No. 0, PP. 1 - 15, 28 May 2014. Mohammad Reza Zareifard, Ahmad Fahimifar, "elastic - brittle-plastic analysis of circular deep underwater cavities in a mohr-coulomb rock mass considering seepage forces," International Journal Of Geomechanics, Vol. -, No. 0, PP. 0 - 0, 04 March 2014. Mohammad Reza Zareifard, Ahmad Fahimifar, "effect of seepage forces on circular openings excavated in hoek- brown rock mass based on a generalised effective stress principle," European Journal Of Environmental And Civil Engineering, Vol. -, No. 0, PP. 0 - 0, 28 January 2014. M. Sanei, Lohrasb Faramarzi, Sareh Goli, Ahmad Fahimifar, Asghar Rahmati, Abolfazl Mehinrad, "Development of a new equation for joint roughness coefficient (JRC) with fractal dimension: a case study of Bakhtiary Dam site in Iran," Arabian Journal Of Geosciences, Vol. 3, No. 4, PP. 1 - 12, 15 October 2013. Ahmad Fahimifar, Seyed Amir Reza Aminjavaheri, "Numerical Analysis of Fault Behavior Near Underground Excavtions," Iranian Journal Of Science & Technology, Vol. 37, No. 2, PP. 337 - 343, 10 October 2013. Ahmad Fahimifar, Meysam Imani, Mostafa Sharifzadeh, "A Criterion to Distinguish Continuity of Rock Foundations," Frontiers In Geotechnical Engineering-open, Vol. 2, No. 3, PP. 53 - 61, 07 September 2013. Ahmad Fahimifar, Mohammad Reza Zareefard Jahraomi, "A new elasto-plastic solution for analysis of underwater tunnels considering strain-dependent permeability," Structure And Infrastructure Engineering, Vol. 4, No. 3, PP. 1 - 19, 02 September 2013. Ahmad Fahimifar, Arvin Abdolmaleki, Parham Soltani, "stabilization of rock slopes using geogrid boxes," Arabian Journal Of Geosciences, Vol. 1, No. 7, PP. 27 - 30, 23 November 2012. Seyed Meysam Imani, Ahmad Fahimifar, Mostafa Sharifzadeh, "Bearing failure modes of rock foundations with consideration of joint spacing," Scientia Iranica Transaction A-civil Engineering, Vol. 19, No. 6, PP. 1411 - 1421, 07 August 2012. Ahmad Fahimifar, Mohamamd Gasem Sahab, Mohamad Mahori Habibabadi, "optimum design of tunnel support systems using genetic algorithm," Jaddeh, Vol. 1, No. 70, PP. 39 - 43, 20 June 2012. Ahmad Fahimifar, Mohammad Reza Zareefard Jahraomi, "A new closed -form solution for analysis of unlined pressure tunnels under seepage forces," International Journal For Numerical And Analytical Methods In Geomechanics, Vol. -, No. 0, PP. 1591 - 1613, 07 June 2012. Mohamadreza Zaree Fard Jahromi, Ahmad Fahimifar, "a new solution for shallow and deep tunnels by considering the gravitational loads," Acta Geotechnica Slovenica, Vol. 1, No. 2, PP. 37 - 49, 25 April 2012. Seyed Meysam Imani, Ahmad Fahimifar, Mostafa Sharifzadeh, "Upper Bound Solution for the Bearing Capacity of Submerged Jointed Rock Foundations," Rock Mechanics And Rock Engineering, Vol. 45, No. 0, PP. 639 - 646, 06 January 2012. Ahmad Fahimifar, Davoud Parsapour, "Evaluation of swelling strain in the tunnel by analytical method," , Vol. 43, No. 1, PP. 27 - 32, 06 September 2011. Ahmad Fahimifar, Seyed Amir Reza Aminjavaheri, "Direct shear test modeling for examination of joints behavior around tunnel," , Vol. 8, No. 2, PP. 157 - 168, 16 August 2011. Ahmad Fahimifar, Ehsan Pakniat Jahromo, "An elasto -plastic model for prediction of creep behavior of circular tunnels," , Vol. ????, No. 1, PP. 91 - 97, 19 April 2011. Ahmad Fahimifar, Majid Malakpoor, "experimental and numerical analysis of indirect and direct tensile strength using fracture mechanics concepts," Bulletin Of Engineering Geology And The Environment, Vol. 71, No. 2, PP. 269 - 283, 16 March 2011. Ali Vares Vazirian, Ahmad Fahimifar, "Fluid flow modeling in single fracture using cellularautomata," , Vol. 42, No. 3, PP. 9 - 16, 28 December 2010. Ahmad Fahimifar, Samaneh Amirpour Harehdasht, "simulation of landslides using cellular automata method "spcial case: slope km 32 Jam-Taheri motore way," , Vol. 2-27, No. 2, PP. 55 - 64, 27 September 2010. Ahmad Fahimifar, Ahmadreza Hedayat, "Elasto-plastic analysis in conventional tunnelling excavation," Proceedings Of The Institution Of Civil Engineers-geotechnical Engineering, Vol. 163, No. 900032, PP. 37 - 45, 06 July 2010. Ahmad Fahimifar, Masoud Ranjbarnia, "Analysis of the interaction of inactive and active grouted rockbolts and rock in design of tunnels," , Vol. ????, No. 1, PP. 79 - 85, 31 March 2010. Ahmad Fahimifar, Farshad Monshizadehtehrani, "An analytial method for estimation of creep deformation in tunnels," , Vol. 2-26, No. 3, PP. 67 - 72, 13 December 2009. Ahmad Fahimifar, Mohammad Reza Zareefard Jahraomi, "A theoretical solution for analysis of tunnels below groundwater considering the hydraulic–mechanical coupling," , Vol. , No. 24, PP. 0 - 0, 01 November 2009. Ahmad Fahimifar, Arash Vakilzadeh, "," , Vol. , No. 66, PP. 0 - 0, 23 July 2009. Ahmad Fahimifar, Masoud Ranjbarnia, "Analytical approach for the design of active grouted rockbolts in tunnel stability based on convergence-confinement method," , Vol. , No. 24, PP. 0 - 0, 01 July 2009. Ali Laki Rohani, Ahmad Fahimifar, "," , Vol. , No. 48, PP. 0 - 0, 22 May 2009. Ahmad Fahimifar, "," , Vol. , No. 64, PP. 0 - 0, 21 December 2008. Ahmad Fahimifar, Farshad Monshizadehtehrani, "A model for predition of creep deformation in circular tunels," Journal Of Geological Society Of Iran, Vol. 1, No. 3, PP. 35 - 44, 20 December 2008. Ahmad Fahimifar, Seyedalireza Mirabolghasemi Dehkordi, "," , Vol. , No. 61, PP. 0 - 0, 21 May 2008. Ali Laki Rohani, Ahmad Fahimifar, "Compressibility -Toughness Dominated Propagation Regime of Fluid-Driven Fracture From a Borehole," , Vol. 0, No. 0, PP. 0 - 0, 01 May 2008. Ahmad Fahimifar, Farshad Monshizadehtehrani, "," , Vol. , No. 59, PP. 0 - 0, 23 September 2007. Ahmad Fahimifar, Masoud Ranjbarnia, "," , Vol. , No. 58, PP. 0 - 0, 23 July 2007. Ahmad Fahimifar, Asadollah Hasoumi, Hooman Shobeiri, "," , Vol. 0, No. 0, PP. 0 - 0, 23 July 2007. Ahmad Fahimifar, Hamed Soroush, "A Moisture Index Classification System for Rocks (MiC System)," , Vol. , No. 40, PP. 0 - 0, 01 February 2007. Ahmad Fahimifar, Meisam Karimi Amshi, "," , Vol. , No. , PP. 0 - 0, 23 July 2006. Hooman Shobeiri, Ahmad Fahimifar, , "," , Vol. , No. 33, PP. 0 - 0, 22 May 2006. Ahmad Fahimifar, Meisam Karimi Amshi, "," , Vol. , No. 103, PP. 0 - 0, 22 December 2005. Ahmad Fahimifar, Asadollah Hasoumi, "," , Vol. , No. 53, PP. 0 - 0, 23 July 2005. Ahmad Fahimifar, Hamed Soroush, "A Theoretical Approach for Analysis of the Interaction Between Grouted Rockbolts and Rock Masses," , Vol. , No. 20, PP. 0 - 0, 01 July 2005. Ahmad Fahimifar, Mostafa Sharifzadeh, "," , Vol. , No. 100, PP. 0 - 0, 22 May 2005. Hooman Shobeiri, Ahmad Fahimifar, , "Objective Analysis of the Strain Localization Based on Tangent Modulus," , Vol. 0, No. 61, PP. 0 - 0, 01 March 2005. Ahmad Fahimifar, Hamed Soroush, "Effect of Time on The Stress- Strain Behaviour of a Single Rock Joint," , Vol. , No. , PP. 0 - 0, 01 January 2005. Ahmad Fahimifar, Hassan Shamsi Farashah, "," , Vol. , No. 52, PP. 0 - 0, 21 December 2004. Ahmad Fahimifar, "Strength and deformation properties of a schist rock in isfahan.," , Vol. , No. 28, PP. 0 - 0, 01 October 2004. Ahmad Fahimifar, "," , Vol. , No. 51, PP. 0 - 0, 22 September 2004. Ahmad Fahimifar, "," , Vol. , No. 50, PP. 0 - 0, 20 March 2004. Ahmad Fahimifar, "," , Vol. 0, No. 56, PP. 0 - 0, 23 September 2003. Ahmad Fahimifar, "," , Vol. , No. , PP. 0 - 0, 21 March 2003. Ahmad Fahimifar, "Deformational characteristics of rocks containing a single discontinuity," , Vol. , No. 3, PP. 0 - 0, 19 April 2002. Ahmad Fahimifar, "," , Vol. , No. 46, PP. 0 - 0, 21 March 2002. Ahmad Fahimifar, "," , Vol. 0, No. 49, PP. 0 - 0, 20 March 2002. Ahmad Fahimifar, "," , Vol. , No. 42, PP. 0 - 0, 19 April 2001. Ahmad Fahimifar, "," , Vol. , No. 44, PP. 0 - 0, 19 April 2001. Ahmad Fahimifar, "," , Vol. , No. 84, PP. 0 - 0, 20 March 2000. Ahmad Fahimifar, "," , Vol. , No. , PP. 0 - 0, 22 June 1997. Ahmad Fahimifar, "Effects of system constraints intriaxial testing of janted rocks," , Vol. , No. 29, PP. 0 - 0, 21 March 1997. Ahmad Fahimifar, "Effects of strain rate on the stress strain behavior of dis continous rocks," , Vol. , No. 1, PP. 0 - 0, 01 January 1997. Ahmad Fahimifar, "Effects of strain rate on the stress-strain behavior of discontinuous rock," , Vol. , No. 1, PP. 0 - 0, 01 January 1997. Ahmad Fahimifar, "," , Vol. , No. , PP. 0 - 0, 21 June 1996. Ahmad Fahimifar, "," , Vol. , No. , PP. 0 - 0, 20 March 1996. Ahmad Fahimifar, "Technique for volume change measurements in traixilal testing of jointed rock," , Vol. 0, No. 0, PP. 0 - 0, 21 September 1995. Ahmad Fahimifar, "Roposals for a failure criterion applicable to discontinuous rocks," , Vol. , No. , PP. 0 - 0, 01 May 1994. Ahmad Fahimifar, "," , Vol. , No. , PP. 0 - 0, 21 March 1994.     Conference Papers   Mahmood Shakiba, Mohammad Hossein Shahsavari, Ehsan Khamehchi, Ahmad Fahimifar, Ramin Mohammadishirkolaii, " Estimation of rock uniaxial compressive strength,rock mass pore pressure and in-situ stresses in an oil well using empirical relations," 6th Iranian Rock Mechanics Conference, Iran (Islamic Republic of), 14 February 2017 - 15 February 2017. Alan Shokati, Morteza Rahimi Dizadji, Ahmad Fahimifar, "Numerical simulations of rock mass damage induced by rigid projectile using PFC3D," 6th Iranian Rock Mechanics Conference-irmc6, Iran (Islamic Republic of), 14 February 2017 - 15 February 2017. Reaza Babaei, Mohammadreza Koopialipoor, Ahmad Fahimifar, "COMPARISON OF THE PERFORMANCE OF STEEL,POLYMER AND HYBRID FIBER-REINFORCED SHOTCRETES," 6th Iranian Rock Mechanics Conference-irmc6, Iran (Islamic Republic of), 14 February 2017 - 15 February 2017. Ahmad Fahimifar, Reza Heidari Moghadam, "EXPERIMENTAL EVALUATION OF MODE I FRACTURE TOUGHNESS OF LIMESTONE BY USING CUBIC SPECIMEN UNDER FOUR-POINT BENDING," 6th Iranian Rock Mechanics Conference-irmc6, Iran (Islamic Republic of), 14 February 2017 - 15 February 2017. Ahmad Fahimifar, Azin Karimzad Anzabi, Mohammad Khalili, "Effects of Thermal Treatment on Tensile Strength of Marble,Travertine and Concrete, Considering Size Effect," 3rd International Conference On New Research Achievements In Civil,architectural And Urban Management, Iran (Islamic Republic of), 16 September 2016 - 16 September 2016. Ahmad Fahimifar, Bahador Yazdan Pour, "Analysis of the impact of various factors on ground settlement profile due to excavation Twin tunnels ," Second International Conference In New Research On Civil, Architectural& Urbon Managment , Iran (Islamic Republic of), 21 July 2016 - 21 July 2016. Ahmad Fahimifar, Seyed Alireza Fatemi, Ali Aminzadeh, "Laboratory investigation of crack orientation in rock and its effect on rock strength ," The International Conference On New Researches In Engineering Sciences, Iran (Islamic Republic of), 02 June 2016 - 02 June 2016. Majid Tavassoli, Ahmad Fahimifar, "Numerical Analysis of bearing capacity of rock using standard hook and Brown, in associated and non associated flow rule," 2nd Iranian Conference On Soil Mechanics And Foundation Engeenring, Iran (Islamic Republic of), 14 October 2015 - 15 October 2015. Ahmad Fahimifar, Pierpaolo Oreste, Masoud Ranjbarnia, "the dimensioning of pillars in tne mining rooms and pillars method through a detailed evaluation of the stress conditions in the rock ," 8th International Conference On Environmental And Geological Science And Engineering , Italy, 27 June 2015 - 29 June 2015. Masoud Ranjbarnia, Ahmad Fahimifar, "analysis of grouted rock bolt forces applied on the tunnel walls considering felxibility of rockbolt head," 10th International Congress On Civil Engineering, Iran (Islamic Republic of), 05 May 2015 - 07 May 2015. Arian Zarpeima, Ahmad Fahimifar, " stability analysis of shallow tunnels using upper bound solation ," 10th International Congress On Civil Engineering, Iran (Islamic Republic of), 05 May 2015 - 07 May 2015. Arian Zarpeima, Ahmad Fahimifar, "The effect of shallow tunnels on stabilized excavation by nailing method," 2nd Iranian Conference On Geotechnical Engineering, Iran (Islamic Republic of), 01 October 2014 - 02 October 2014. Hamzeh Zakeri, Fereidoon Moghadas Nejad, Ahmad Fahimifar, Abolfazl Doostparast Torshizi, Mohammad Hossein Fazel Zarandi, "A New Automatic MF Generator (AMFG) forGeneral 3D Type-II Fuzzy in the Polar Frame," Ieee 2014 Conference On Norbert Wiener In The 21 Century- Nafips, United States, 24 June 2014 - 26 June 2014. Abolfazl Doostparast Torshizi, Mohammad Hossein Fazel Zarandi, Hamzeh Zakeri, Fereidoon Moghadas Nejad, Ahmad Fahimifar, "Pseudo Semi-Supervised General Type-II FuzzyClustering," Ieee 2014 Conference On Norbert Wiener In The 21 Century- Nafips, United States, 24 June 2014 - 26 June 2014. Ahmad Fahimifar, Hamed Ghadami, M. H. Karimi, Mojtaba Noury, "An elasto-plastic model for analysis of underwater tunnels considering seepage forces," 10th Iranian Tunneling Conference, Iran (Islamic Republic of), 04 November 2013 - 07 November 2013. Ahmad Fahimifar, Mohammad Reza Zareefard Jahraomi, " stability analysis of underwater tunnels considering seepage forces ," 10 Iranian Tunnelling Conference , Iran (Islamic Republic of), 04 November 2013 - 07 November 2013. Mehrangiz Ghafari, M. H. Baziar, Ahmad Fahimifar, "Analysis of bearing rock foundations under gravitation loads considering water effect," The 1st Iranian Conference On Geotechnical Engineering, Iran (Islamic Republic of), 22 October 2013 - 23 October 2013. Ahmad Fahimifar, Hamed Ghadami, Hamidreza Saba, M. R. Hosseini, "Elasto-plastic analysis of underwater pressure tunnels considering gravitational loads and strain softening behavior ," The 1st Iranian Conference On Geotechnical Engineering, Iran (Islamic Republic of), 22 October 2013 - 23 October 2013. Ali Ahmad, Ahmad Fahimifar, "Numerical and analytical effect of shear waves on shallow tunnels considering ground-support interaction ," The 1st Iranian Conference On Geotechnical Engineering, Iran (Islamic Republic of), 22 October 2013 - 23 October 2013. Ahmad Fahimifar, Mihammad Reza Zarefard, "effect of gravitational loads on elasto-plastic response of tunnels," The 1st Iranian Conference On Geotechnical Engineering , Iran (Islamic Republic of), 22 October 2013 - 23 October 2013. Ahmad Fahimifar, Hamed Ghadami, Mojtaba Noury, Masoud Ahmadvand, "Evaluation of seepage models and pore water pressure in underwater tunnels," The 1st Iranian Conference On Geotechnical Engineering, Iran (Islamic Republic of), 22 October 2013 - 23 October 2013. Hamzeh Zakeri, Fereidoon Moghadas Nejad, Abolfazl Doostparast Torshizi, Mohammad Hossein Fazel Zarandi, Ahmad Fahimifar, "A Multi-Stage Expert System for Classification of Pavement Cracking.," 2013 Joint Ifsa World Congress Nafips Annual Meeting (Ifsa/nafips), Canada, 24 June 2013 - 28 June 2013. Ahmad Fahimifar, Arvin Abdolmaleki, Masod Ahmadvand, Hamed Ghadami, "rock slope stability: comparison of geogrid box method with conventional reinforcement methods," 7th National Congress On Civil Engineering, Iran (Islamic Republic of), 07 May 2013 - 08 May 2013. Mehrangiz Gafari, Mohammad Hosein Baziar, Ahmad Fahimifar, "water effect on bearing capacity of rock foundations under gravity louds using numerical method," 7th National Congress On Civil Engineering, Afghanistan, 07 May 2013 - 08 May 2013. Ahmad Fahimifar, Hamed Ghadami, Masoud Ahmadvand, Arvin Abdolmaleki, "Aa elasto-plastic model for analysis of pressure tunnel in karoun four power house," 7th National Congress On Civil Engineering, Afghanistan, 07 May 2013 - 08 May 2013. Ahmad Fahimifar, Mohammad Ghasemi, Magtaba Karami, "time dependent behavior of circular tunnels considering elasto - plastic deformations," 7th National Congress On Civil Engineering, Iran (Islamic Republic of), 07 May 2013 - 08 May 2013. Mohammad Abbasi Choshegani, Ahmad Fahimifar, "parametric analysis of rock -support interaction considering relative stiffness," 7th National Congress On Civil Engineering, Iran (Islamic Republic of), 07 May 2013 - 08 May 2013. Vahid Mohammadi Ghale Aziz, Saeed Amiri, Ahmad Fahimifar, "stress-displacement analysis of tunnels considering different drainage conditions," 7th National Congress On Civil Engineering, Iran (Islamic Republic of), 07 May 2013 - 08 May 2013. Seyed Amir Reza Aminjavaheri, Ahmad Fahimifar, "application of a joint element for numerical simulation of fault behavior near tunnels ," 12th International Conference Underground Construction Prague 2013, other, 22 April 2013 - 24 April 2013. Ahmad Fahimifar, Arvin Abdolmalki, Masoud Ahmadvand, Hamed Gadami, "Rock slope stability using geogrid box," Second National Conference On Structure,earthquake, Geotechnics, Iran (Islamic Republic of), 19 December 2012 - 22 December 2012. Ahmad Fahimifar, Ahmad Gadami, Masoud Ahmadvand, Arvin Abdolmalki, "a new model for evaluation of sepage and pore pressure in pressure tunnels," Second National Conference On Structure,earthquake, Geotechnics, Iran (Islamic Republic of), 19 December 2012 - 22 December 2012. Ahmad Fahimifar, Masoud Ahmadvand, Arvin Abdolmaleki, Hamed Gadami, "Evaluation of bearing capacity of jointed rock foundations under louding of earth dam," Second National Conference On Structure,earthquake, Geotechnics, Iran (Islamic Republic of), 19 December 2012 - 22 December 2012. Ahmad Fahimifar, Mohamad Gasemi, Magtaba Karami, "An Elasto-Viscoplastic Creep model for prediction of Deformations Around tunnels ," 7th Asian Rock Mechanics Symposium, Korea, Republic of, 15 October 2012 - 19 October 2012. Hamzeh Zakeri, Fereidoon Moghadas Nejad, Abolfazl Doostparast Torshizi, Mohammad Hossein Fazel Zarandi, Ahmad Fahimifar, "A NEW TYPE OF FUZZY MEMBERSHIP FUNCTIONS AND UNCERTAINLYGRADE IN THE FRAME OF POLAR SYSTEMS," 8th International Symposium On Intelligent And Manufacturing Systems (Ims2012), Turkey, 27 September 2012 - 28 September 2012. Mohammad Reza Zareefard Jahraomi, Ahmad Fahimifar, "Effect os displacements in the rock mass on pore pressure and seepage flow ," The First International Conference On Dams And Hydropower, Iran (Islamic Republic of), 08 February 2012 - 09 February 2012. Ahmad Fahimifar, Masoud Ranjbarnia, "Analysis and design of active grouted rock bolts," First Asisn And 9th Iranian Tonnelling Symposium, Iran (Islamic Republic of), 01 November 2011 - 03 November 2011. Ahmad Fahimifar, Amirshayan Shahrayinib, "Stability analysis of koohin rail way tunnel considering time dependent defromation," First Asisn And 9th Iranian Tonnelling Symposium, Iran (Islamic Republic of), 01 November 2011 - 03 November 2011. Ahmad Fahimifar, Payam Falakein, Saman Farzi Sizkow, "Analysis of internal forces in tunnel lining with emphasis in ground -lining interaction," First Asisn And 9th Iranian Tonnelling Symposium, Iran (Islamic Republic of), 01 November 2011 - 03 November 2011. Ahmad Fahimifar, Mohammad Ghasem Sahab, Mohammad Mahori, "Optimum design of tunnel support system using genetic algorism," First Asisn And 9th Iranian Tonnelling Symposium, Iran (Islamic Republic of), 01 November 2011 - 03 November 2011. Ahmad Fahimifar, Saman Farzi Sizkow, Payam Falakein, "An analytical method for predicting deformations around tunnels considering the distance from tunnel face in non-hydrostatic stress field," First Asisn And 9th Iranian Tonnelling Symposium, Iran (Islamic Republic of), 01 November 2011 - 03 November 2011. -, Fereidoon Moghadas Nejad, Ahmad Fahimifar, "A Numerical Study On Thermal Cracking In Flexible Pavements ," 6th National Congress On Civil Engineering, Iran (Islamic Republic of), 26 April 2011 - 27 April 2011. Ahmad Fahimifar, Pooya Hamdi, "Analysis and design of tunnel support system in weak rock masses using numerical and analytical methods," -, Iran (Islamic Republic of), 26 April 2011 - 27 April 2011. Ahmad Fahimifar, Vahid Mohammadi Ghale Aziz, Ali Reza Doostany, Behrooz Mehrzad Selkgoni, "effect of drainage condition on the forces applying to the tunnel lining under ground water," -, Iran (Islamic Republic of), 26 April 2011 - 27 April 2011. Ahmad Fahimifar, Behrooz Mehrzad Selkgoni, Ali Reza Doostany, Vahid Mohammadi Ghale Aziz, "Evaluation of fracture toughness in steel fiber reinforced shotcrete," -, Iran (Islamic Republic of), 26 April 2011 - 27 April 2011. Ahmad Fahimifar, Milad Golpour, "Slope stability analysis using various methods with emphasis on probabilistic analyses," -, Iran (Islamic Republic of), 26 April 2011 - 27 April 2011. Ahmad Fahimifar, Behrooz Mehrzad Selkgoni, Ali Reza Doostany, Vahid Mohammadi Ghale Aziz, "Effect of steel fibers on the strength and deformation properties of shotcrete," -, Iran (Islamic Republic of), 26 April 2011 - 27 April 2011. Ahmad Fahimifar, Mohammad Reza Zareefard Jahraomi, "Effect of dilation angle and flow rule on the bahavior of underground excavation," Forth Tranian Conference Of Geotechnicalengineering And Soil Mechanics (4th Icgesm , Iran (Islamic Republic of), 02 November 2010 - 03 November 2010. Ahmad Fahimifar, Seyed Amir Reza Aminjavaheri, "Developement of a joint element model of evaluation of fault behavior," Forth Tranian Conference Of Geotechnicalengineering And Soil Mechanics (4th Icgesm , Iran (Islamic Republic of), 02 November 2010 - 03 November 2010. Ahmad Fahimifar, Ehsan Pakniat Jahromo, "Prediction of time dependent deformation of squeezing rocks using numerical method," Forth Tranian Conference Of Geotechnicalengineering And Soil Mechanics (4th Icgesm , Iran (Islamic Republic of), 02 November 2010 - 03 November 2010. Ahmad Fahimifar, Mohammad Reza Zareefard Jahraomi, "Effect of pore pressure and hydrulic-mechanical coupling on stability of under groundwater tunnels," International Geotechnical Conference, Russian Federation, 07 June 2010 - 10 June 2010. Ahmad Fahimifar, Mohammad Reza Zareefard Jahraomi, "the elasto-plastic response of circular tunnel considering gravity loads for two cases of plane strain and plane stress conditions," International Geotechnical Conference, Russian Federation, 07 June 2010 - 10 June 2010. Ahmad Fahimifar, Davood Parsapour, "Analytical Model for Prediction of strains for tunneling in swelling grounds," American Society Of Civil Enghneers, American Samoa, 22 February 2010 - 24 February 2010. Seyed Amir Reza Aminjavaheri, Ahmad Fahimifar, "," , Iran (Islamic Republic of), 06 October 2009 - 07 October 2009. Ahmad Fahimifar, Mahdi Bakhtiari, "," , Iran (Islamic Republic of), 06 October 2009 - 08 October 2009. Ahmad Fahimifar, Arash Vakilzadeh, "Seismic analysis of tunnel when soil structure interaction is considered," , Germany, 09 September 2009 - 11 September 2009. Ahmad Fahimifar, , "," , Iran (Islamic Republic of), 19 May 2009 - 21 May 2009. Ahmad Fahimifar, Arash Vakilzadeh, "," , Iran (Islamic Republic of), 19 May 2009 - 21 May 2009. Ahmad Fahimifar, Arash Vakilzadeh, "Seismic analyses for ovaling deformation of circular tunnels in no slip condition," , China, 19 May 2009 - 22 May 2009. Ahmad Fahimifar, Samaneh Amirpour Harehdasht, "," , Iran (Islamic Republic of), 11 May 2009 - 13 May 2009. Ahmad Fahimifar, , "," , Iran (Islamic Republic of), 11 May 2009 - 13 May 2009. Ahmad Fahimifar, Ahmadreza Hedayat, "The elasto plastic anal sis of a circular opening exca ated in a generalized hoe brown roc material," , Iran (Islamic Republic of), 11 May 2009 - 13 May 2009. Ahmad Fahimifar, Mostafa Farhadi, "," , Iran (Islamic Republic of), 11 May 2009 - 13 May 2009. Ahmad Fahimifar, Arash Vakilzadeh, "Comparison between seismic and static analysis of funnels," , Thailand, 12 March 2009 - 13 March 2009. Ahmad Fahimifar, Arash Vakilzadeh, "Numerical and Analytical Solutions for bvaling deformation in circular tunnels under seismic loading," , India, 01 January 2009 - 01 January 2009. Ahmad Fahimifar, Ahmadreza Hedayat, "Determination of ground response curve of the supported tunnel considering progressive hardening of shotcrete lining," , Iran (Islamic Republic of), 24 November 2008 - 26 November 2008. Ahmad Fahimifar, "An elastic viscose solution for estimating displacements of circular tunnels in hydrostatic stress field," , Iran (Islamic Republic of), 24 November 2008 - 26 November 2008. Ahmad Fahimifar, Samaneh Amirpour Harehdasht, "Simulation of the bayanlou debris flow through cellular automata modeling," , Iran (Islamic Republic of), 24 November 2008 - 26 November 2008. Ahmad Fahimifar, "Design of radial active grouted rockbolts in tunnel stability with a new theoretical approach," , Iran (Islamic Republic of), 24 November 2008 - 26 November 2008. Ahmad Fahimifar, "Effect of stress dependant permeability of the surrounding rock and support system on seepage flow in pressure tunnels," , India, 01 October 2008 - 06 October 2008. Mohammad Reza Zareefard Jahraomi, Ahmad Fahimifar, "Effect of Stress- Dependant Permeability of the SurroundingRock and Support System on Seepage Flow in Pressure Tunnels," International Association For Computer Methods And Advances In Geomechanics (Iacmag), India, 01 October 2008 - 06 October 2008. Ahmad Fahimifar, Farshad Monshizadehtehrani, "," , Iran (Islamic Republic of), 20 April 2008 - 20 April 2008. Ahmad Fahimifar, Masoud Ranjbarnia, "," , Iran (Islamic Republic of), 20 April 2008 - 20 April 2008. Ahmad Fahimifar, Mojtaba Ahmadeyan Yazdy, "," , Iran (Islamic Republic of), 25 February 2008 - 28 February 2008. Ahmad Fahimifar, Seyed Meysam Imani, "," , Iran (Islamic Republic of), 16 October 2007 - 18 October 2007. Ahmad Fahimifar, Farshad Monshizadehtehrani, "," , Iran (Islamic Republic of), 16 October 2007 - 18 October 2007. Ahmad Fahimifar, , "," , Iran (Islamic Republic of), 16 October 2007 - 18 October 2007. Ahmad Fahimifar, Mojtaba Ahmadeyan Yazdy, "," , Iran (Islamic Republic of), 16 October 2007 - 18 October 2007. Ahmad Fahimifar, , "," , Iran (Islamic Republic of), 16 October 2007 - 18 October 2007. Ahmad Fahimifar, , "," , Iran (Islamic Republic of), 16 October 2007 - 18 October 2007. Ahmad Fahimifar, Seyed Meysam Imani, "," , Iran (Islamic Republic of), 16 October 2007 - 18 October 2007. Ahmad Fahimifar, Farshad Monshizadehtehrani, "," , Iran (Islamic Republic of), 16 October 2007 - 18 October 2007. Ahmad Fahimifar, , "," , Iran (Islamic Republic of), 16 October 2007 - 18 October 2007. Ahmad Fahimifar, Mojtaba Ahmadeyan Yazdy, "," , Iran (Islamic Republic of), 16 October 2007 - 18 October 2007. Ahmad Fahimifar, , "," , Iran (Islamic Republic of), 16 October 2007 - 18 October 2007. Ahmad Fahimifar, Mohammad Reza Zareefard Jahraomi, "," , Iran (Islamic Republic of), 16 October 2007 - 18 October 2007. Ahmad Fahimifar, Seyed Meysam Imani, "The use of neural networks in predicting deformability of rocks," , Portugal, 09 July 2007 - 11 July 2007. Ahmad Fahimifar, , Nasrin Bakhshayesh, "," , Iran (Islamic Republic of), 20 February 2007 - 20 February 2007. Ahmad Fahimifar, , Nasrin Bakhshayesh, "," , Iran (Islamic Republic of), 20 February 2007 - 20 February 2007. Ahmad Fahimifar, Ali Saeedi, , "," , Iran (Islamic Republic of), 10 July 2006 - 12 July 2006. Ahmad Fahimifar, Ali Saeedi, "," , Iran (Islamic Republic of), 10 July 2006 - 12 July 2006. Ahmad Fahimifar, Hamed Soroush, "Design of concrete lining for water trasition pressure tunnels in Gelubar dam on the basis of rock- lining hydromechanical interaction," , Italy, 19 June 2005 - 24 June 2005. Ahmad Fahimifar, Hamed Soroush, "Design of concrete lining for water transition pressure tunnels in Gelubar dam on the basis of rock _ lining," , Italy, 18 June 2005 - 25 June 2005. Ahmad Fahimifar, Hamed Soroush, "Stability analysis of the marl formation around the Ahran tunnel," , Spain, 15 June 2005 - 17 June 2005. Ahmad Fahimifar, Hamed Soroush, "Stability analysis of the marly formation around the Ahram tunnel in Iran," , Netherlands, 21 March 2005 - 21 March 2005. Ahmad Fahimifar, Hamed Soroush, "Three dimonsional analysis of a cavern using back analysis results," , Czech Republic, 01 January 2005 - 01 January 2005. Ahmad Fahimifar, Hamed Soroush, "Modilling of rouckdoit denavior around tunnels with emphasis on stress distribution on the rockbolt shank," , Australia, 28 September 2004 - 30 September 2004. Ahmad Fahimifar, Hamed Soroush, Majid Hajiri Azar, "," , Iran (Islamic Republic of), 20 March 2004 - 20 March 2004. Ahmad Fahimifar, Hassan Shamsi Farashah, "," , Iran (Islamic Republic of), 20 March 2004 - 20 March 2004. Ahmad Fahimifar, Hamed Soroush, "Geotechnical investigations and stability analysis of the slope adjacent to the songun mine copper concentration factory," , Malaysia, 01 January 2004 - 01 January 2004. Ahmad Fahimifar, Hamed Soroush, "," , Iran (Islamic Republic of), 21 March 2003 - 21 March 2003. Ahmad Fahimifar, Hamed Soroush, "," , Iran (Islamic Republic of), 21 March 2003 - 21 March 2003. Ahmad Fahimifar, Hamed Soroush, "Geotechical parameters charcteristics for a kind of schist in Iran," , South Africa, 07 March 2003 - 09 March 2003. Hamed Soroush, Ahmad Fahimifar, "Evaluation of some physical and mechanical properties of rocks using ultrasonic pulse technigue and presenting equations between dynamic and static elastic constants," , South Africa, 01 January 2003 - 01 January 2003. Mohammad Eslamipour, Mortaza Gharouninik, Ahmad Fahimifar, "," , Iran (Islamic Republic of), 09 December 2002 - 11 December 2002. Mohammmad Sharifzadeh, Ahmad Fahimifar, T. Esaki, "Classification system for evaluation of water effect on mechanical behavior of intact and jointed rocks with case study," , Iran (Islamic Republic of), 09 December 2002 - 11 December 2002. , Ahmad Fahimifar, T. Esaki, "Classification and modeling of water effect on mechanical behaviour of intact rock and rock joint.," , Japan, 01 January 2002 - 01 January 2002. Ahmad Fahimifar, Mohammad Hassan Mirabi Moghadam, , , "Numerical analysis of G2M slope for stability analysis," , France, 03 October 2001 - 05 October 2001. Ahmad Fahimifar, Mohammad Hassan Mirabi Moghadam, S.ahmad Barari, Ali Mohammad Saeedi, Hamid Kaviany Moghaddam, "maintenance and protectionof slope 10 in tehran - shomal motorway," , United Kingdom, 11 September 2001 - 13 September 2001. Ahmad Fahimifar, Hosein Kanani, Ali Hemmati Shaabani, "," , Iran (Islamic Republic of), 21 March 2001 - 21 March 2001. Ahmad Fahimifar, Ali Hemmati Shaabani, "," , Iran (Islamic Republic of), 21 March 2001 - 21 March 2001. Ahmad Fahimifar, Mehrdad Emami Tabrizi, , , "," , Iran (Islamic Republic of), 21 March 2001 - 21 March 2001. Ahmad Fahimifar, "effect of dynamic compaction on fill soil improvement," , Singapore, 24 September 2000 - 26 September 2000. Ahmad Fahimifar, , Mehrdad Emami Tabrizi, Ali Saeidi, "," , Iran (Islamic Republic of), 20 April 2000 - 20 April 2000. Ahmad Fahimifar, Ali Saeidi, Mehrdad Emami Tabrizi, "," , Iran (Islamic Republic of), 20 March 2000 - 20 March 2000. Ahmad Fahimifar, "," , Iran (Islamic Republic of), 20 March 2000 - 20 March 2000. Ahmad Fahimifar, Ali Saiedy Rashk Olya, Mehrdad Emami Tabrizi, "," , Iran (Islamic Republic of), 20 March 2000 - 20 March 2000. Ahmad Fahimifar, , "," , Singapore, 28 August 1999 - 01 September 1999. Ahmad Fahimifar, , "," , Singapore, 28 August 1999 - 01 September 1999. Ahmad Fahimifar, Mehrdad Emami Tabrizi, "," , Iran (Islamic Republic of), 21 March 1999 - 21 March 1999. Ahmad Fahimifar, "Deformation Characteristics of roks containing a single discontinuity," , Italy, 01 January 1999 - 01 January 1999. Ahmad Fahimifar, Mohammad Hasan Khosravi, "Instrumentation and monitoring of G2M slope in karoun 3 DAM project for stability analysis," , Singapore, 01 January 1999 - 01 January 1999. Ahmad Fahimifar, "A Comparison between Soil Dynamic Consolidation Performance and Piling In Disturbed Soil," , Singapore, 01 January 1999 - 01 January 1999. Ahmad Fahimifar, Mohammad Hasan Khosravi, "Stability analysis of G2M slope in karan 3 Dam site.," , Canada, 01 January 1998 - 01 January 1998. Ahmad Fahimifar, Mostafa Sharifzadeh, "Evaluation of water effect on rock mass of karoun 3 site ," The First Conference On Earth Dam, Iran (Islamic Republic of), 30 September 1997 - 01 October 1997. Ahmad Fahimifar, "Effect of strain rate on rock joint deformation," , Australia, 01 January 1996 - 01 January 1996. Ahmad Fahimifar, "Non-Linear analysis of rock masses in undergraund openings and determination of suppert pressure," , China, 01 January 1996 - 01 January 1996. Ahmad Fahimifar, "Behavioural analysis of discontinuous rock using finite element method," , Australia, 01 January 1995 - 01 January 1995. Ahmad Fahimifar, "Frictional sliding of rocks and implications in earthquake mechanisms," , Iran (Islamic Republic of), 01 January 1995 - 01 January 1995. Ahmad Fahimifar, "Volume change characteristics of discontinuous rocks," , Japan, 01 January 1994 - 01 January 1994. Ahmad Fahimifar, "Factors affecting stick-slip characteristics of rock, and implications for earthquakes," , Portugal, 01 January 1994 - 01 January 1994. Ahmad Fahimifar, "volume change characteristics of discontionous rock," , Japan, 01 January 1994 - 01 January 1994. Ahmad Fahimifar, "," , Iran (Islamic Republic of), 21 March 1990 - 21 March 1990.     Books   Ahmad Fahimifar, Hamed Soroush, Rock Mechanics Tests, Theoretical Aspects And Standards. Vol Ii, Edition : 2, Iran (Islamic Republic of), 23 December 2010. Ahmad Fahimifar, Hamed Soroush, , Edition : 1, Iran (Islamic Republic of), 21 March 2005. Ahmad Fahimifar, Mortaza Gharouninik, , Edition : 1, Iran (Islamic Republic of), 21 March 2001. Ahmad Fahimifar, Hamed Soroush, , Edition : 1, Iran (Islamic Republic of), 21 March 2001. Ahmad Fahimifar, , Edition : 1, Iran (Islamic Republic of), 21 March 1997.     Inventions   Abolfazl Eslami, Mahmoudreza Mohammadi, Ahmad Fahimifar, Amirkabir, "Tire-Aggregate Piers, (TAP)," none, 100301123, 19 February 2014 - 08 January 2034.     Graduate Students Projects   PhD Students Projects: Amir Mansour Askari Fateh, Ahmad Fahimifar, Abolfazl Eslami, "", PhD, 26 September 2016. Davoud Parsapour, Ahmad Fahimifar , "", PhD, 10 January 2016. Vasim Davood, Ahmad Fahimifar, Taghi Ebadi, "", PhD, 16 February 2015. Masoud Ranjbarnia, Ahmad Fahimifar , "", PhD, 14 September 2014. Mohammad Reza Zareefard Jahraomi, Ahmad Fahimifar , "", PhD, 18 September 2013. Seyed Meysam Imani, Ahmad Fahimifar , "Upper Bound Solution for the Bearing Capacity of Jointed Rock Foundations Considering Groundwater Effects", PhD, 01 February 2012. Ali Vares Vazirian, Ahmad Fahimifar , "", PhD, 18 December 2010. Ali Laki Rohani, Ahmad Fahimifar , "Modeling Initiation and Propagation of Hydraulic Fractures From a Wellbore", PhD, 27 January 2008. Hooman Shobeiri, Ahmad Fahimifar, Abdolazim Amir Shahkarami, "Behavioural Model and Numerical Analysis of Smeared Cracks and Softening Behaviour of Rocks.", PhD, 12 November 2005. MSc Students Projects: Mahdi Mansouri, Ahmad Fahimifar, Meysam Imani, "numerical modeling of square footing resting on crushed rock and determination of allowable capacity", MSc, 19 February 2018. Shima Safari, Ahmad Fahimifar , "Effect of strain and loading rate on strength and deformation properties of brittle materials ", MSc, 18 February 2018. Hossein Mansourian, Ahmad Fahimifar , "Design and analysis of underground cavern of hydropower by taking into account the effect of water pressure on the surrounding stone wedges and block", MSc, 17 February 2018. Marzie Kazemi Khoshkijari, Ahmad Fahimifar , "Analysis of the effect of cement grout injection to reduce seepage and increase the stability of underground spaces", MSc, 12 February 2018. Reza Esmaeil Talaei, Ahmad Fahimifar , "Effect of curing time of shotcrete on the deformations and stresses around the tunnel", MSc, 05 February 2018. Niusha Bakeri, Ahmad Fahimifar , "", MSc, 06 January 2018. Mohammed Riyadh Mohammedali Hayder, Ahmad Fahimifar , " Effects of Loading Speed on Direct and Indirect Tensile Strength of Rock and Concrete ", MSc, 25 September 2017. Reaza Babaei, Ahmad Fahimifar , "Compare performance of the shotcrete lining reinforced with steel and polymer strands in the tunnel under different ", MSc, 12 September 2017. Sayed Sepehr Nikooei, Ahmad Fahimifar , "Comparison of analytical and numerical methods elasto plastic behavior of tunnel under nonisotropic stress", MSc, 11 September 2017. Milad Abolfazli, Ahmad Fahimifar , "the efeect of vertical stress on the joint stiffness considering the size efect", MSc, 18 February 2017. Parham Rashidi, Ahmad Fahimifar, Meysam Imani, "Effect of water on the bearing capacity of submerged rock masses", MSc, 18 February 2017. Hosain Raei, Ahmad Fahimifar , "Analysis of trust and moment forces applied on tunnel fining due to earthquake deformations ", MSc, 13 February 2017. Maryam Dabiri Mirhosseinlo, Ahmad Fahimifar , "", MSc, 23 January 2017. Payam Heydari, Ahmad Fahimifar , "Deformation and strength characteristics of rocks under cyclic loads", MSc, 05 December 2016. Azin Karimzad Anzabi, Ahmad Fahimifar , "Estimating the compressive tensile uniaxial strength of rocks with point load index considering the size effect", MSc, 10 October 2016. Morteza Kajooian Fini, Ahmad Fahimifar , "", MSc, 03 October 2016. Mohammad Shahram Fallah, Ahmad Fahimifar , "", MSc, 17 September 2016. Seyed Alireza Fatemi, Ahmad Fahimifar , "Crack propagation mechanism in rock-like materials under uniaxial compression and crack modeling", MSc, 19 July 2016. Saman Salami Booeeni, Ahmad Fahimifar , "Effect of fault type on the occurrence of induced earthquakes during dams water charge and discharge", MSc, 05 July 2016. Mohammad Shadnia, Ahmad Fahimifar , "behavior of concrete segmental lining in tunnels considering interaction between components", MSc, 03 July 2016. Hamed Fazli Sabzevar, Ahmad Fahimifar , "dilation effect on the behavior of the stress-strain rocks", MSc, 03 July 2016. Seyed Amin Mortazavi Ravari, Ahmad Fahimifar , "stability analysis of underground spaces based on back analysis and development of appropriate algorithms", MSc, 26 June 2016. Manley Pakbaz, Ahmad Fahimifar , "Investigation of tunnel-soil-pile interaction", MSc, 09 May 2016. Ali Akhlaghi, Ahmad Fahimifar , "Analysis of tunnel stability in rock masses with squeezing potential ", MSc, 08 March 2016. Mohammad Shafiy Cordi, Ahmad Fahimifar , "", MSc, 23 February 2016. Mohammad Etezadi, Ahmad Fahimifar , "Factors affecting on direct and indirect tensile strength of brittle materials", MSc, 05 October 2015. Ashkan Shafi, Ahmad Fahimifar , "Effect of polymer fibers on strength and deformation properties of shotcrete", MSc, 05 October 2015. Majid Tavassoli, Ahmad Fahimifar , "estimate the bearing capacity of the rock foundation for the upper bound method and cansidering the criterion of linear and nonlinear", MSc, 27 September 2015. Mahdi Hajrasooliha, Ahmad Fahimifar , "", MSc, 21 September 2015. Ali Karimi, Ahmad Fahimifar , "powerhouse cavern storage system designs (route caron) analytical and numerical methods", MSc, 12 September 2015. Sina Delshadnamini, Ahmad Fahimifar , "", MSc, 23 August 2015. Mohammad Reza Sobhani, Ahmad Fahimifar, , "Effect of changesof sand equivalent value (SE) on the bearing capacity (CBR) and the rate", MSc, 14 July 2015. Arian Ghasemi, Ahmad Fahimifar , "", MSc, 22 June 2015. Mohammadjavad Eftekhari, Ahmad Fahimifar , "", MSc, 21 June 2015. Arefeh Khatiri, Ahmad Fahimifar , "", MSc, 18 May 2015. Meisam Shabani, Ahmad Fahimifar , "", MSc, 04 May 2015. Mohammad Tamimi, Ahmad Fahimifar , "", MSc, 04 May 2015. Jahangir Motaei, Ahmad Fahimifar , "", MSc, 02 May 2015. Reza Rahimi, Ahmad Fahimifar , "", MSc, 28 February 2015. Hamid Ghazanfari, Ahmad Fahimifar , "", MSc, 21 February 2015. , Ahmad Fahimifar , "infruence of geological on parameters on stability by ststistical method", MSc, 10 February 2015. Alireza Moazenian, Ahmad Fahimifar , "Creep Behavior of rock salt under uniaxial compression test & estimating the convergence rate of underground caverns", MSc, 02 February 2015. Mahmood Ojarestaghi, Ahmad Fahimifar , "", MSc, 18 January 2015. Ali Zibaee, Ahmad Fahimifar , "", MSc, 21 October 2014. Armin Firuzbakht, Ahmad Fahimifar , "", MSc, 21 October 2014. Reza Heidari Moghadam, Ahmad Fahimifar , "effect of crack geometry and type of loading on rock toughness and how crack growth", MSc, 20 October 2014. Hamed Rezaei Golshan Abadi, Ahmad Fahimifar , "", MSc, 19 October 2014. Amir Hossein Javid, Ahmad Fahimifar , "", MSc, 06 October 2014. Arian Zarpeima, Ahmad Fahimifar , "Analysis of stresses applied to support of shallow tunnels and estimation of internal forces of support system", MSc, 21 September 2014. Seyed Mohammad Reza Seyed Masoumi, Ahmad Fahimifar , "stability analysis of tunnel face in soft ground and estimation of ground pressure ", MSc, 15 September 2014. Arash Atrchian, Ahmad Fahimifar , "comparing the excavating effect of single and twin tunnels on the earth surface settlement", MSc, 14 May 2014. Mehdi Khakpoor, Ahmad Fahimifar , "", MSc, 19 April 2014. Reza Mohammadi, Ahmad Fahimifar, Taghi Ebadi, "Analysis of underground stability using basic analysis and developing appropriate algorithm", MSc, 19 February 2014. Abbas Azizzadeh, Ahmad Fahimifar , "Analysis of crack propagation mechanism in rocks and determination of rock fracture toughness", MSc, 09 February 2014. Ali Asghar Naemi, Ahmad Fahimifar , "", MSc, 05 January 2014. Ramin Heidary Amale, Ahmad Fahimifar , "Development of analytical model for elasto-plastic analysis of tunnels considering non-linear failure criterion for surrounding ground", MSc, 24 December 2013. Behrad Bakhtyari, Ahmad Fahimifar , "Modeling of ground movements due to tunneling in soft ground", MSc, 01 December 2013. Bahador Yazdan Pour, Ahmad Fahimifar , "Prediction of the the Settlement Profile in Twin Tunneled Ground considering the tunnels distance and stages of construction", MSc, 22 October 2013. Mohsen Mohajeri, Ahmad Fahimifar , "", MSc, 15 October 2013. Mehrdad Rahimi, Ahmad Fahimifar , "", MSc, 14 October 2013. Ehsan Daneshmandi, Ahmad Fahimifar , "", MSc, 13 October 2013. Emad Mortaz, Ahmad Fahimifar , "Theoretical and experimental analysis of effective parameters on direct tensile strngth of rocks", MSc, 03 July 2013. Ali Ahmad, Ahmad Fahimifar , "Theoretical and numerical analysis of shallow tunnels subjected to earthquake", MSc, 11 February 2013. Payam Falakein, Ahmad Fahimifar , "Interaction analysis of ground-support system considering effect of relative stiffness of ground and lining", MSc, 04 February 2012. Saman Farzi Sizkow, Ahmad Fahimifar , "Analysis of the excavation face on the inital stability of tunnel ", MSc, 04 February 2012. Mohammad Mehdi Gholami, Ahmad Fahimifar , "Seismic Analysis of Tunnels based on Shear Waves Deformations Considering Ground-Tunnel nteraction", MSc, 20 July 2011. Vahid Mohammadi Ghale Aziz, Ahmad Fahimifar , "Analysis and design of tunnel lining with consideration of seepage and water pressure effects", MSc, 20 February 2011. Ali Reza Doostany, Ahmad Fahimifar , "Analysis of stress and deformation in underground cross section and evalution of stress distribution", MSc, 19 February 2011. Behrooz Mehrzad Selkgoni, Ahmad Fahimifar , "Effect of Steel Fibers on improvement of strength and deformability of shotcrete", MSc, 19 February 2011. Magtaba Karami, Ahmad Fahimifar , "Modeling of Time-Dependent Behavior of Rock around Tunnel Using Numerical and Analytical Method", MSc, 26 July 2010. Ehsan Pakniat Jahromo, Ahmad Fahimifar , "Estimation of pressure and convergence related to squeezing potential in tunnels by Numerical and analytical Method", MSc, 20 July 2010. Seyed Amir Reza Aminjavaheri, Ahmad Fahimifar , "Analysis of Fault behavior near Tunnels by Numerical and Theoretical", MSc, 19 July 2010. Majid Malakpoor, Ahmad Fahimifar , "Supporting condition effects on the result of the brazilian test and numerical analysis of fracture", MSc, 20 January 2010. Mahdi Bakhtiari, Ahmad Fahimifar , "Analysis and Design of Shallow Tunnel Linings (Metropolitans) Taking into Account the Ground Lining Interaction", MSc, 19 September 2009. Sina Farzi Sizkooh, Abdolazim Amir Shahkarami, Ahmad Fahimifar, "Effect of size on the brezilian test result and comparison with the results of direct tensile tests", MSc, 30 August 2009. Arash Vakilzadeh, Ahmad Fahimifar , "Seismic Analysis and Design of Tunnels considering ground – lining interaction ", MSc, 30 June 2009. Ahmadreza Hedayat, Ahmad Fahimifar , " Analysis of stress - displacement behaviour of tunnel taking into account the ground - lining interaction", MSc, 28 June 2009. Mostafa Farhadi, Ahmad Fahimifar, Abdolazim Amir Shahkarami, "Analysis and design of the tunnels under groundwater tableby considering seepage effect", MSc, 04 February 2009. Samaneh Amirpour Harehdasht, Ahmad Fahimifar , " Modeling of the slope sliding surface using Cellular Automata Method (especial case: 23th Kilometer Jam-Taheri Exp. Way Slope)", MSc, 04 February 2009. Davood Parsapour, Ahmad Fahimifar , "Design and analysis of tunnels in swelling grounds", MSc, 05 January 2009. Masoud Ranjbarnia, Ahmad Fahimifar , "MODELING OF GROUTED ROCK BOLTS BEHAVIOR IN ACTIVE AND PASSIVE CASES", MSc, 21 January 2008. Sepehr Ghafari, Fereidoon Moghadas Nejad, Ahmad Fahimifar, "Numerical Analysis of concrete Overlays on Flexible Pavements", MSc, 01 January 2008. Mojtaba Ahmadeyan Yazdy, Ahmad Fahimifar , "FAILURE ANALYSIS IN BRAZILIAN TEST WITH THE USE OF FRACTURE MECHANIC MODELS AND COMPARISON WITH LABORATORY", MSc, 24 December 2007. Farshad Monshizadehtehrani, Ahmad Fahimifar , "ANALYSIS OF ROCK TUNNELS BEHAVIOR WITH RESPECT TO TIME EFFECT", MSc, 01 October 2007. Poorya Haghparast, Ahmad Fahimifar , "", MSc, 18 February 2007. Mohamadreza Zaree Fard Jahromi, Ahmad Fahimifar , "", MSc, 14 February 2007. Seyedalireza Mirabolghasemi Dehkordi, Ahmad Fahimifar , "", MSc, 04 February 2007. Behzad Rahmani, Ahmad Fahimifar , "", MSc, 09 January 2007. Mirabas Bahri Omandani, Ahmad Fahimifar , "", MSc, 23 December 2006. Meisam Karimi Amshi, Ahmad Fahimifar , "", MSc, 18 November 2006. Hassan Khosravi, Ahmad Fahimifar , "", MSc, 04 November 2006. Hamzeh Ahmadi Resketi, Ahmad Fahimifar , "", MSc, 04 November 2006. Seyed Meisam Imani, Ahmad Fahimifar , "", MSc, 20 September 2006. Mohammad Yaser Gangisoost, Ahmad Fahimifar , "", MSc, 17 September 2006. Asadallah Hasomi, Ahmad Fahimifar , "", MSc, 22 February 2005. Pejman Zakariaee Nejad Miree, Ahmad Fahimifar , "", MSc, 05 March 2004. Ali Yazdansepas, Ahmad Fahimifar , "", MSc, 22 December 2003. Mohammad Reza Rahimi Mosavi, Ahmad Fahimifar , "", MSc, 16 February 2003. Majid Hajiri Azar, Ahmad Fahimifar , "", MSc, 28 October 2002. Hassan Shamsi Farashah, Ahmad Fahimifar , "", MSc, 20 May 2002. Amirsaeid Nekouei, Ahmad Fahimifar , "", MSc, 01 November 2001. Mojtaba Samie Zafarghandy, Ahmad Fahimifar , "", MSc, 17 December 2000. Amirhoeesin Saheb Ghalam, Ahmad Fahimifar , "", MSc, 11 December 2000. Parham Paad, Ahmad Fahimifar , "", MSc, 08 November 2000. Javad Esmailzadehnooghaby, Ahmad Fahimifar , "", MSc, 08 December 1999. Omid Reza Mohebbi, Ahmad Fahimifar , "", MSc, 21 November 1999. Afshin Khaledi, Ahmad Fahimifar , "", MSc, 23 January 1999. Sayed Reza Alipoor, Ahmad Fahimifar, , "", MSc, 05 January 1999. Mohammad Reza Sarshar, Ahmad Fahimifar , "", MSc, 21 November 1998. Hamid Shafiei, Ahmad Fahimifar , "", MSc, 21 November 1998. Mohammad Hassan Mirabi Moghadam, Ahmad Fahimifar , "", MSc, 18 November 1998. Abbas Rafiey, Ahmad Fahimifar , "", MSc, 04 February 1998. Javad Abed Namini, Ahmad Fahimifar , "", MSc, 19 January 1998. Mohammad Hasan Khosravi, Ahmad Fahimifar , "", MSc, 31 December 1997. Hooman Shobeiri, Ahmad Fahimifar , "", MSc, 22 November 1997. Mohammad Reza Nazarnejad Bajestani, Ahmad Fahimifar , "", MSc, 21 September 1996. Lohrasb Faramarzi, Ahmad Fahimifar , "", MSc, 16 July 1996. Farzad Shazad Ghadjar, Ahmad Fahimifar , "", MSc, 14 February 1996. Alireza Jamal, Ahmad Fahimifar , "", MSc, 21 September 1995. Ahmad(kamran) Merrikhpoor, Ahmad Fahimifar , "", MSc, 16 November 1994. Mohammad Jamshidi, Ahmad Fahimifar , "", MSc, 21 September 1994. Ahmad Jafari Mehrabadi, Ahmad Fahimifar , "", MSc, 07 March 1994. Reza Tamiri Ahwazi, Ahmad Fahimifar , "", MSc, 19 February 1994.      Courses   Educational Records   BSc in Civil Engineering, 1976, Iran University of Science and Technology. MSc in Highway and Traffic Engineering 1986. University of Birmingham, United Jingdom. PHD, Civil Engineering (Rock Mechanics), University of Newcastle Upon Tyne, UK, 1990     Employment and Teaching   Ahmad Fahimifar, phD, Professor Department of Civil and Environmental Engineering, Amirkabir University of Technology, 424 Hafez Avenue, Tehran, Iran Tel: +9821-64543011 ; Fax: +9821-64543011 Email: Fahim @ aut.ac.ir Teaching BSc leve: - Highway Engineering (Road Construction). - Highway Project. - Pavement design. MSc level: - Rock Mechanics. Research fields Geomechanics (Rock Mechanics and Geotechnique), slope stability and stability of underground spaces and shafts.     Scientific Societies   Founder and member Founder and secior member of Iranian Society of Civil Engineers. Founder and member of Iran Society for Rock Mechanics. Founder and Member of Iran Tunnelling Association. Member of International Society for Rock Mechanics (ISRM).     Award   Management/Administration Jobs   Executive University Experience - Director General of Office of Graduate Affairs "Ministry of Culture and Higer Education (1990-1992)". - Head of Department of Civil Engineering at Amirkabir University of Technology (1992-1999). - Head of Geotechnical Group at Amirkabir University of Technology (1999-2001). - Chancellor of Amirkabir University of Technology (2001-2005). - Member of Board of Trustees of Shahrood University of Technology (2003-2005).     Contact AHMAD FAHIMIFAR Professor Department: Department of Civil & Enviromental Engineering   Personal Homepage