Full Name:
Fathalla Mohamed F. El-Nahhas
Academic Rank:
Emeritus Professor
ASU Email:
Structural Engineering
Graduation Year:

• Forty-five years of experience in teaching undergraduate and postgraduate courses as well as professional training programs in Egypt and Canada on geotechnical engineering, foundations, tunnelling, underground structures, rock mechanics, engineering geology and numerical methods for geotechnical engineering.

• Supervised seventeen Ph. D. theses and 40 M. Sc. theses on various geotechnical engineering topics.

• Author (or co-author) of 98 papers on different aspects of geotechnical engineering, tunnelling, underground structures and geological engineering.

1981 : Ph. D. In Geotechnical Engineering, University of Alberta, CANADA

1977 : M. Sc. In Geotechnical Engineering, University of Alberta, CANADA

1975 : M. Sc. In Foundation Engineering, Ain Shams University, Cairo, EGYPT

1972 : B. Sc. (Hon) In Civil Engineering, Ain Shams University, Cairo, EGYPT

The Merit Prize of Ain Shams University in Engineering Sciences (2012)

The Egyptian Pendant of Excellence (1997)

The Egyptian State Prize in the Engineering Sciences (1996)

Undergraduate Distinction Award, Ain Shams University (1969-1972)

El-Nahhas, F. (1975) Contact pressure under rectangular plates loaded at the edges. M. Sc. Thesis, Department of Structural Engineering, Ain Shams University, Cairo, Egypt.

El-Nahhas, F. (1977) Field measurements in two tunnels in Edmonton, Canada. M. Sc. Thesis, Geotechnical Engineering, University of Alberta, Canada, 85 p.

El-Nahhas, F. (1981) Behaviour of tunnels in stiff soils. Ph. D. Thesis, Geotechnical Engineering, University of Alberta, Canada, 305 p.

Eisenstein, Z.; El-Nahhas, F.; and Shalaby, A. (1987) Cairo Metro Research Project-Final Research Report. Submitted to International Development Research Centre, Ottawa and National Authority for Tunnels, Cairo.

El-Nahhas, F.; Sherif, M.; Abdullah, W.; Hadi, K. and Ghoneim, H. (2000) Long-term operation, monitoring and assessment of the drainage system at Shamiyah and Kaifan (Final Main Research Report). Report submitted to the Kuwaiti Ministry of Electricity and Water, Kuwait Institute for Scientific Research, 202 p.

Published Research:

Published Research in Confernces:

Educational and Research Projects:

1978-1980 Geotechnical In-Situ Performance of an Experimental Tunnel in Edmonton, Canada (Part of the research program for the Ph. D. degree at the University of Alberta). Funding agencies: The National Research Council of Canada, The City of Edmonton, and The University of Alberta, Canada.

1984-1987 Geotechnical In-Situ Performance of the Diaphragm Walls during Construction of the Regional Line of Cairo Metro; Principal Egyptian Investigator. Funding agencies: International Development Research Centre, Canada with in-kind contributions from the Egyptian National Authority for Tunnels, the University of Alberta and the Ain Shams University.

1987-1990 Geotechnical Behaviour of Tunnels in Some Egyptian Soils; (Part of the research program for the Ph. D. degree of Dr. A. G. Shalaby at Ain Shams University); Project Leader. Funding provided by Ain Shams University.

1997-2000 A Pilot Drainage Project for Lowering Groundwater Table under the Kuwait City: Long-term operation, monitoring and assessment of the drainage system at Shamiyah and Kaifan; Project Leader. Project conducted at the Kuwait Institute for Scientific Research and funded by the Kuwaiti Ministry of Electricity and Water.

2004-2006 Stability Assessment of the Southern Cliff of Mokkatum Plateau; Project Manager. Project conducted at the Soil Mechanics and Foundations, Ain Shams University and funded by El-Nasr Company for Construction and Development.


1. Review and technical approval of repair works of the existing Ahmed Hamdi Highway Tunnel under Suez Canal. Also, supervision of in-situ monitoring system for assessment of new lining during canal deepening & widening (1992-1996 for The Suez Canal Authority).

2. Assessment of the problems encountered during the development of the New City of El-Minia (1993 for the Ministry of New Urban Communities).

3. Geotechnical evaluation of the sand dunes areas around El-Obour City and proposing general guidelines of the foundation recommendations for the new developments in these areas (1994 for the Ministry of New Urban Communities).

4. Investigation of the problems encountered during the construction of El-Salam Syphon under Suez Canal (1997 for the Ministry of Public Works and Irrigation).

5. Conducting studies on the needed rehabilitation engineering works for Saqqara Archaeological Sites: the step pyramid and the southern tomb at Saqqara as well as three main sites at Memphis (Mit Rahina) the capital of ancient Egypt with formal proposals to perform detailed studies and tender documents (2000-2003 for the Ministry of Culture).

6. Assessment of the geological and engineering aspects of the northern cliffs stability of the Mokkatum Plateau, Cairo (2008-2009 for the Cairo Governorate).

7. Final technical review of all conducted studies on the crossing of Line 3 Tunnel of Cairo Metro under the Wastewater Spine Tunnel at Bab Sharia Square, Cairo (2010 for the Ministry of Transport).

8. Dispute Review Board-Mediation Committee on Line 3, Phases 1 and 2 of Cairo Metro (2013-2014 for the Ministry of Transport).

Consulting and Engineering Projects:

Supervised Thesis:
Ph. D. Theses:

1989: Engineering Geology of Some Areas in the Greater Cairo, by Mohamed, S. A.

1990: Behaviour of Tunnels in Some Egyptian Soils, by Shalaby, A. G.

1991: Interaction of Tunnel Lining and Ground, by Ahmed, A. A.

1997: Numerical Modelling of Deformations around Closed-Face Tunnelling Machines, by Esmail, K.

1998: Behaviour of Supported Deep Excavations, by Mostafa, M. E.

2001: Effect of Tunnelling on Adjacent Structures, by Abdel-Lateef, H.

2002: Numerical Modelling of Underground Subway Stations, by Fayed, A.

2004: Geotechnical Characteristics of Plastic Cutoff Walls within Earthdams, by Ezazy, M. A.

2005: Engineering Geology of the New Settlements East of El-Maadi Area, by Khafagy, A.

2006: Dynamic Response of Tunnels under Seismic Loads, by Khairy, A. T.

2008: Assessment of Pile Integrity Utilizing Full-Scale Non-Destructive In-Situ Testing, by El-Kadi, A.

2009: Inverse Analysis of Tunnels Aided by Artificial Intelligence Techniques, by Abdel-Bary, H. E.

2010: Assessment of Load-Settlement Behavior of Large Diameter Bored Piles in Sand under Axial Compression Loads, by Tawfik, M. M.

2011: Numerical Assessment of Rock Tunnels Under Effect of Explosion Loads, by Hassan, H.

2012: Modeling and Analysis of Geogrid-Reinforced Earth Structures under Cyclic Loading, by Sayed, M.

2014: Some Geotechnical Aspects of Developing Geothermal Energy in Egypt, by Mohammed, A. S.

2014: Behavior of Piled Raft Foundation in Calcareous Cemented Sand, by Al Deab, M. M. O.

M. Sc. Theses:

1986: Mechanical Properties of Shelly Sandy Soil, by Hamouda, A. A.

1986: Analysis of Foundations Resting on Swelling Soils, by El-Ashal, A. A.

1987: Physical and Engineering Properties of Weakly Cemented Soils, by Nassife, L. E.

1988: Analysis of Intersecting Strip Foundations on Elastic Foundation, by El-Mahdy, O. O.

1989: Deformation Analysis of Tunnels in Stiff Cohesive Soils, by Hamdy, U. M.

1989: Analysis of Pile-Raft-Soil Interaction, by El-Mosallamy, Y. M.

1990: Deformation Analysis of Earth Embankments, by Monaza, A. M.

1990: Analysis of Shallow Soft Ground Tunnels, by Ali, M. A.

1991: Treatment of Expansive Soils Using Sand Piles, by El-Ziady, A. K.

1991: Settlement of Rafts on Piles, by Mazen, H.

1991: Analysis and Behaviour of Piles in Soils, by Mahdi, H. A.

1991: Analysis of Laterally Loaded Piles, by El-Geneidy, A. M.

1992: Behaviour of Footings on Swelling Soils Using Model Tests, by Elsibaaie, R. A.

1992: Analysis of Dewatering Systems in Sandy Layers, by Abdel-Karim, A. T.

1993: Behaviour of Shallow Foundations on Soils Containing Cavities, by Yassin, R. K.

1993: Time-Dependent Deformation Analysis of Earth Embankments, by El-Lithy, G. S.

1993: Numerical Modelling of Concrete Diaphragm Walls, by Abdel-Rahman, A. H.

1993: Model Tests on Retaining Walls with Shelf, by Mohamed, E. S.

1994: Deformation of Earth Cofferdam Using Elasto-Plastic Constitutive Models, by Ali, H. E.

1995: In-Situ Performance of a Subway Station in Cairo, by Abdel-Salam, N.

1995: Settlement of Raft Foundation of an Elevated Tank in Kattamia, by Rizk, M. H.

1997: Engineering Geological Studies on the New El-Obour City, by Hashem, W.

1997: An Effective Stress Constitutive Model for Soft Clay, by Iskander, G. M.

1997: Analysis of Interaction of In-Situ Walls with the Ground, by Assaf, O. M.

1998: Lowering of Groundwater Table in Urban Areas (Case Study), by Hassaneen, A. A.

1999: Settlement Analysis of Raft Foundations of Elevated Tanks, by Abdullah, S. E.

1999: Geotechnical Properties of Some Swelling Deposits in New Communities around the Greater Cairo, by Abdel-Moatty, N.

1999: Geotechnical Characteristics of Coastal Deposits in the Red Sea Area, by Abdel-Sayed, H.

2002: Soil Stabilization of Liquefiable Sand Deposits, by Behairy, M.

2005: Numerical Analysis of Sedimentary Rock Slopes, by Tawfik, M.

2005: Seismic Water Pressure Mobilization Behind Yielding Retaining Walls, by Wahidy, M.

2006: Analysis and Behavior of Lining System of Rock Tunnels, by Hassan, H.

2006: Large Scale Experimental Investigation of Soils Geogrids Interface Mechanical Behavior, by Abdel-Monem, M.

2007: Numerical Modelling of Twin Tunnels Constructed using Open Face Machine in Stiff Clayey Soils, by Ewais, A.

2011: Geotechnical Assessment of Dewatering in Cairo, Case study, by Kassem, M. M.

2012: Analysis of Pile Groups of Offshore Fixed–Jacket Structures, by Hammad, M. S.

2012: Performance of Piled Raft System, by El-Kadi, O. A.

2012: Analysis of Tunnels Constructed through Limestone Formation in the Greater Cairo, by Mohamed, Y. H.

2014: Risk Management of Tunneling and Underground Projects in Egypt, by Mayhoub, O. A.

2016: 3D Analysis of Settlement Trough Induced by Tunnelling, by El-Shamy, A. A.

2015- Present : Fellow, The Egyptian Academy of Scientific Research and Technology.

2015- Present : Member of the Permanent Committee of the Egyptian Code for Tunnels and Underground Structures.

2015- Present : Member of the Permanent Committee of the Arabian Code on Bridges.

2010-Present : Chairman of Committee on Deep Foundations, Egyptian Code of Geotechnical Engineering and Foundations.

2010-Present : Senior Editor of Ain Shams Engineering Journal Published by Elsevier.

2013-2015 : Director of Geotechnical Engineering, Council of Engineering Sciences, Academy of Scientific Research and Technology.

2008-2015 : Chairman of Committee on Bridge Foundations, Egyptian Code of Bridges.

2006-2007 : Chairman of the Twelfth Int. Colloquium on Str. and Geot. Eng., Ain Shams Univ.

2003-2007 : Director of the Geotechnical & Foundation Engg. Consulting Unit, Ain Shams Univ.

2002-2003 : Director of the Continuing Engineering Education Center, Ain Shams Univ.

1997-2000 : Project Leader at Kuwait Institute for Scientific Research, Kuwait

1995-1996 : Secretary General of the Seventh Int. Col. on Str. and Geot. Eng., Ain Shams Univ.

1994-1997 : Secretary General of the Egyptian Geotechnical Society


• Egyptian Syndicate of Engineers and Registered Consulting Engineer in Egypt

• Egyptian Society of Engineers

• International Tunnelling Association (Egypt Representative in Working Group on Research)

• Egyptian Tunnelling Society (Member of Board: 1990-1997, 2000-2007, and 2009-present)

• Egyptian Geotechnical Society (Member of Board: 1994-1997 and 2004-2012)