• Professor of Geotechnical engineering,structure engineering department, faculty of engineering, Mansoura university..
  Faculty of engineering, mansoura university - Mansoura - Egypt
  from 29/7/2001 to 29/7/2017.
• Associate Professor,Structural Department, Faculty of Engineering,Mansoura university.
  faculty of engineering - Mansoura  - Egypt
  from 27/11/1995 to 28/7/2001.
• Lecturer, Structure Department, Faculty of Engineering, Mansoura University..
  Faculty of Engineering - Mansoura - Egypt
  from 26/11/1990 to 26/11/1995.
• Assisstant Lecturer, Structure Department, Faculty of Engineering, Mansoura University.
  Mansoura University - Mansoura - Egypt
  from 20/7/1986 to 25/11/1990.
• Demonstraor, Structure Engineering, Faculty of Engineering, Mansoura University.
  Faculty of Engineering - Mansoura - Egypt
  from 23/10/1980 to 19/7/1986.

• 10th International Conf. on Computer Methods & Advances in Geomechanics  -  U.S.A.
  Arizona - Arizona
  from7/1/2001 to  12/1/2001.
• 2nd International Conf. on Groundwater Control Level on Unbanized Areas -  Egypt
  Mansoura - Mansoura University
  from23/11/1999 to  25/11/1999.
• The Seventh Arabic Structural Engineering Conf.  -  Kuwait
  Kuwait - Kuwait
  from24/11/1997 to  26/11/1997.
• 4th Interbuild Conf. -  Egypt
  Cairo - Cairo
  from26/6/1997 to  30/6/1997.
• The Second International Engineering Conf. - Mansoura -  Egypt
  Mansoura - Mansoura University
  from8/4/1997 to  10/4/1997.
• Third International Geotechnical Conference-1997 -  Egypt
  Cairo - Cairo University
  from6/1/1997 to  9/1/1997.
• Sixth Arabic Conf. of Structure Engineering -  Syria
  Syria - Syria
  from10/10/1995 to  15/10/1995.
• Secondary Soil & Foundation Mechanics Conf. -  Egypt
  Cairo - Faculty of engineering
  from22/1/1994 to  25/1/1994.
• Fifth Arabic Conf. of Structure Engineering -  Libia
  طرابلس - جامعة الفتح-طرابلس
  from20/11/1993 to  25/11/1993.
• International Conf. on Applications of Geosynthetic Technology -  Indonisia
  Jakarta - المنظمة الدولية للمواد الجيوثينسية
  from23/11/1992 to  24/11/1992.
• Soil & Foundation Mechanics Conf. -  Germany
  Hamburg - Hamburg
  from1/11/1989 to  4/11/1989.

• Effect of Retaining Wall Dimensions on Soil-Struture Interaction
  Fourth Mansoura International Engineering Conference, Faculty of Engineering, Mansoura University, Mansoura – Sharm El-Shiekh, Egypt , 20-22 April 2004., 20-4-2004
  pro.Adel Dif.
  28. Abdel Aziz, G., A., El Nimr, A., Dif, A., Naguib, M., and El Baglaty, S
  
  
• A three phase model for contaminated groundwater disinfection
  Proc. Of The 10th International Conference on Computer Methods and Advances in Geomechanics, Tucson, Arizona, USA, Vol. 1, pp. 801- 805, 7-12 January, 2001.
  pro.Adel Dif.
  23. El Nimr, A., Dif, A. and Mansour, S.
  
  
• Analysis of a Replacement Layer Over Soft Soils
  Proc. Mansoura Engineering First Conference, Faculty of Engineering, El-Mansoura University, 28/3/1995
  pro.Adel Dif.
  Dif, A. E
  
  
• Analysis of Raft Foundations Using a Simplified Technique
  the Sixth Arabic Conference of Structural Engineering, Syria, October, 1995.
  pro.Adel Dif.
  13. El-Sawaf, M.; Dif, A.; Rabi, M.; Kassem, M.; and Mahmoud, N.
  
  
• Behavior of Reinforced Embankments Constructed Compressible Foundation soils
  Proc. the Fifth Arabic Conference of Structural Engineering, El-Fatih University, Libya, 20/11/1993
  pro.Adel Dif.
  Kishk, M., Dif, A.; Aggag, Y. and Mubarak, A
  
  
• Effect of Percentage of Fines on Sand Liquifaction
  III Regional Conference on Civil Engineering Technology, ACSE-EGS, Egypt Section, Cairo, Egypt , 8-10 April 2002.
  pro.Adel Dif.
  Ibrahim, A., El Nimr, A., and Dif, A.
  
  
• Effect of Percentage of Fines on Sand Liquifaction in Arid Regions
  ”, Geotechnical and Geoenvironmental Engineering in Arid Lands, Alawaji (ed.), 2002 Swets & Zeitlinger, Lisse, ISBN 90 5809
  pro.Adel Dif.
  El Nimr, A., Dif, A., and Ibrahim, A
  
  
• Expansive Soils under Cyclic Drying and Wetting
  Geotechnical Testing Journal, ASTM, Vol. 2, 3/2/1991
  pro.Adel Dif.
  Dif, A., and Blumel, W
  
  
• Finite Element Analysis of Raft Foundations
  Engineering Research Journal, Faculty of Engineering & Technology, Helwan University, Mataria, Cairo, Vol. 7, Febrauary, 1995.
  pro.Adel Dif.
  12. Dif, A.. E.; El-Sawaf, M.; and Mahmoud, N. S
  
  
• Finite Element Analysis of The General Cargo Quay at Damietta Port
  Proc. The Second International Engineering Conference - Mansoura’ 1997, 8-10 April, 1997, Faculty of Engineering, El-Mansoura University.
  pro.Adel Dif.
  15. Dif, A.; Rageh, O. S.; and Sarhan, T. E
  
  
• Geotextile-Reinforced Earth Walls Constructed On Soft Soils
  Proc. of the Third Geotechnical Conference, Cairo University, Egypt, January, 1997.
  pro.Adel Dif.
  14. Ibrahim, A., and Dif, A.
  
  
• Groundwater level control under cities, the problem and the solution
  The 2nd International Conference on Groundwater Control Level on Urbanized Areas, Mansoura University- Mansoura, Egypt. November, 1999.
  pro.Adel Dif.
  21. Dif, A. and Seleam, S
  
  
• Laboratory Evaluation of Lateral Swelling Pressure
  Journal of Geotechnical Engrg., ASCE, Vol. 117, No. 9, 10/9/1991
  pro.Adel Dif.
  Dif, A., and Blumel, W
  
  
• Nonlinear 3-D Analysis of Deep Excavations
  Pages , PP: GT27-GT44., Fifth Alexandria International Conference on Structural and Geotechnical Engineering, ACSGE5, Faculty of Engineering, Alexandria University, Alexandria, Egypt, 20-12-2003
  pro.Adel Dif.
  27. El-Emam, N., El-Meligy, M., and Dif, A.
  
  
• Non-linear finite element analysis of pile- soil – cap interaction
  Engineering Research Journal, Faculty of Engineering & Technology, Helwan University, Mataria, Cairo, Vol.74 , April 2001.
  pro.Adel Dif.
  Adel Dif
  
  
• Non-Linear Finite Element Analysis of Reinforced Soil Walls
  Seventh Arabic Structural Engineering Conference, Kuwait, 24-26 November, 1997
  pro.Adel Dif.
  Adel Dif
  
  
• Probabilistic-Based Codified Design of Tunnels
  Journal of Engineering and Applied Science, Faculty of Engineering, Cairo University, Egypt, Vol. 46, No.5, October 1999
  pro.Adel Dif.
  20. Harraz, A. Meligy, M. and Dif, A.
  
  
• Purification of Contaminated Groundwater Bodies
  The 2nd International Conference on Groundwater Control Level on Urbanized Areas, Mansoura University- Mansoura, Egypt. November 1999.
  pro.Adel Dif.
  22. Mansour, S., Dif, A., El Nimr, A.
  
  
• Reinforced Embankments on soft Ground - A Comparative Study
  International Sym. on Applications of Geosynthetic Technology, Jakarta, Indonesia, 23/11/1992
  pro.Adel Dif.
  Kishk, M., Dif, A., Aggag, Y. and Mubarak, A
  
  
• Reinforced Embankments On Soft Soils - A Parametric Study
  Proc. of the Second Geotechnical Conference, Cairo University, Egypt, 22/1/1994
  pro.Adel Dif.
  Dif, A.; and Kishk M
  
  
• Reliability Analysis of Tunnels
  Alexandria Engineering Journal, Faculty of Engineering, Alexandria University, Egypt, Vol. 37, No.6, November, 1998
  pro.Adel Dif.
  19. Harraz, A. Meligy, M. and Dif, A.
  
  
• Response of a Soft Clay Stratum Loaded by a Strip Footing
  Research Journal, Faculty of Engineering & Technology, Helwan University, Mataria, Cairo, 10/12/1994
  pro.Adel Dif.
  Dif, A. E
  
  
• Soil-Rigid Raft Interaction - A Comparative Study
  Seventh Arabic Structural Engineering Conference, Kuwait, 24-26 November, 1997
  pro.Adel Dif.
  18. Dif, A. and Farouk, A.
  
  
• Solution of Contact Problems Using the Finite Element Method
  Proc. Mansoura Engineering First Conference, Faculty of Engineering, El-Mansoura University, 28/3/1995
  pro.Adel Dif.
  Dif, A., and Kishk, M
  
  
• Study of Soil Media with Multiple Tunnels or Cavities using the Boundary Element Technique
  VI Australian Tunneling Conference, Melbourne, 1/3/1987
  pro.Adel Dif.
  Dif, A., Abdellah, G. and Abdalla, M
  
  
• The Ideal Design of Dewatering Networks
  Proc. Second Alexandria Conference on Structural and Geotechnical Engineering, 18/4/1994
  pro.Adel Dif.
  El-Sharawy, K. A.; Dif, A. E., and Hassanien, A
  
  
• Nonlinear 3-D Analysis of Deep Excavations
  Pages 27-44
  pro.Adel Dif.
  أ.د. محمود محمد ابراهيم المليجى
  نبيل امام
  
  
• Probabilistic-Based Codified Design of Tunnels
  Pages 853-872, Oct., 1999
  pro.Adel Dif.
  أ.د. محمود محمد ابراهيم المليجى
  
  
  
• Behavior of Reinforced Embankments Constructed on Compressible Foundation Soils
  Proc. The Fifth Arabic Conference of Structural Engineering, El-Fatih University, Libya, November, 1993
  pro.Adel Dif.
  AGAG, Y.
  Mobark, A - معهد بحوث المياه
  
  
• Reinforced Embankments on Soft Ground – A Comparative Study
  International Symp. On Applications of Geosynthetic Technology, Jakarta, Indonesia, November 23-24, 1992
  pro.Adel Dif.
  AGAG, Y.
  Mobark, A - معهد بحوث المياه
  
  

• Study Rising Groundwater Problem in Eygptian Cities & Villages, A.R.E, Academy of Scientific Research & Technology, 2004, Member of the Project Implementation Team.
• Use Centrifuges as Educational Tools & Base for Virtual lab. in Civil engineering, A.R.E, Ministry of Higher Education, Project Management Unit (PMU), Higher Education Enchancement Project Fund (HEEPF), 2004, Member of the Project Implementation Team.

• Practical Work in the Extension & Maintanance Dep. of the Water Supply System of The city of Athens, at the sociaty anonyme Hellenique Des Eaux, Ilissia, Athens, Greece.
• Training Program on " Tunneling& Deep Excavations in Soil" , by Prof. Dr. Z. Elsenstein, The university of Alberta, Canada at The National Authority of Tunnels in Cairo, Eygpt.
• General Supervision of soil Mechanics Lab. Faculty of engineering, Mansoura University, El-Mansoura ,Eygpt.
• Consultant Engineer of Soil Mechanics & Foundation Design.
• General Supervision of Centrifuge Lab. in Faculty of Engineering, Mansoura University El- Mansoura, Eygpt.
• The Engineering Consultant for Dakahlia Governorate.

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