Dr. H. TOLGA BİLGE Civil - Geotechnical Engineer, Ph.D.

Transkript

1 Dr. H. TOLGA BİLGE Civil - Geotechnical Engineer, Ph.D. ODTÜ Teknokent Kosgeb Teknoloji Geliştirme Merkezi Binası No:31/102 ODTÜ Ankara Türkiye Tel: / 561 Faks: tr.linkedin.com/pub/tolga-bilge/5/28b/67a/ Kızılcaşar Mah. İncek Köy Sitesi 23 Nisan Cad. No: 28 Gölbaşı Ankara Türkiye Tel: Faks: EDUCATION MIDDLE EAST TECHNICAL UNIVERSITY, Ankara, Turkey, Ph.D. in Geotechnical Engineering, MIDDLE EAST TECHNICAL UNIVERSITY, Ankara, Turkey, M.S. in Geotechnical Engineering, MIDDLE EAST TECHNICAL UNIVERSITY, Ankara, Turkey, B.S. in Civil Engineering, EMPLOYMENT RECORD GENERAL MANAGER, GeoDestek Zemar Geoengineering, ( present). VICE GENERAL MANAGER, GeoDestek Zemar Geoengineering, ( ). Responsible from engineering services and Research & Development facilities. PART TIME INSTRUCTOR, Middle East Technical University, Ankara, Turkey ( present). Teaching History of Jazz courses. INSTRUCTOR, Turkish Military Academy, Department of Technical Sciences, Ankara, Turkey, ( ). RESEARCH ASSOCIATE, California Polytechnic State University, California, USA ( ). Experimental researches on cyclic response of foundation and embankment soils. RESEARCH ASSISTANT, Middle East Technical University, Department of Civil Engineering ( ). Research on cyclic straining response of silt and clay mixtures. Thesis research contribution included: (a) liquefaction susceptibility and cyclic strength performance of silt and clay mixtures, (b) cyclic strain and porepressure response of saturated clean sands, (c) new magnitude-correlated weighting (magnitude scaling) factors, and (d) improved correlations for effective overburden (K) and static shear stress (K) effects. AWARDS AND HONORS Ph. D. Thesis of the Year, Prof. Dr. Mustafa N. Parlar Education and Research Society, Outstanding Research Assistant in Education Services, Middle East Technical University Civil Engineering Department and Turkish Chamber of Civil Engineers, Graduated with honors, Civil Engineering Department, Middle East Technical University, PROFESSIONAL AFFILIATIONS Member, Turkish Chamber of Civil Engineers (IMO). Member, American Society of Civil Engineers (ASCE), Geotechnical Engineering Institute. Member, National Soil Mechanics and Geotechnical Engineering Association (ZMGM). Member, Turkish Road Association (YTMK). 1

2 Member, Earthquake Engineering Association of Turkey (TDMD). Representative of Turkey, International Tunneling Association (ITA). CONSULTING EXPERIENCE Consultant in Geotechnical and Earthquake Engineering (2002- to date). Geotechnical engineering analysis including analyses of liquefaction triggering and post-liquefaction soil behavior, foundation recommendations and site investigation, dams, deep excavations, soft ground tunneling. Earthquake engineering consulting including seismic site response and seismic hazard analyses. Select consulting projects are as follows: Karabiga Thermic Power Plant Project, Çanakkale, Turkey, Geotechnical assessment of coal storage area and gas pumping house, Cenal A.Ş. Karabiga Termik Enerji Santral Projesi, Stok Sahası ve Doğal Gaz Terfi Binası geoteknik değerlendirme hesap raporu, Cenal A.Ş. Etlik Residence Project, Design of deep foundation systems, Karatekin Grup. 390 MW Modernization of Kazanskaya CHPP-3, geotechnical assessment report, Gama Güç Sistemleri A.Ş. Bandırma Ağıldere Tailings Dam, Geotechnical assessment of slope stability problems, CE-YAPI Mühendislik. Enpark Söğütözü Residence Project, Design of deep foundation systems, Entepe A.Ş.. Onur HEPP Project, Seismic hazard assessment, Temmuz Elektrik Üretim A.Ş.. Universiade 2011 Winter Games Pond Project, Geotechnical assessment for investigation of seepage problems. İstanbul Kartal Residence Project, Geotechnical evaluation report, Çukurova Gayrimenkul. Performance Assessment and Evaluation of Long Term Stability of Main Access Road Tunnel of Çetin Dam and HEPP, Statkraft. Barajı ve HES Ana Ulaşım Yolu Tüneli nin performans değerlendirmesi ve uzun dönem stabilite değerlendirmesi, Statkraft. Kazan Soda Facilities, Ankara, Turkey, Design of deep excavation and support systems, Kazan Soda Elektrik A.Ş. Geotechnical design and assessment of Konak Tunnel, Konak, Izmir, Ege Asfalt Maden İnşaat A.Ş. Kazan Soda Facilities, Ankara, Turkey, Slope stability assessment and design of landslide rehabilitation, Kazan Soda Elektrik A.Ş. Yaşamkent Retail and Residence Project, Ankara, Turkey, Geotechnical assessment report, Hamitoğlu İnşaat A.Ş. Incek Life Blue Project, Ankara, Turkey, Desing of deep foundation systems, Sinpaş GYO A.Ş. Avrotower Project, Dohuq, Iraq, Design of deep foundation systems, Gürbağ İnşaat A.Ş. Khabat Thermal Power Plant, Khabat, Iraq, Unit 1 & 2 geotechnical assessment report, Gama Güç Sistemleri A.Ş. Karabiga Thermic Power Plant Project, Çanakkale, Turkey, Geotechnical assessment of power plant, Cenal A.Ş. MFZ Residence Project, Ankara, Turkey, Design of deep foundation systems, MFZ Grup Yapı İnşaat. 2

3 İnönü - Köseköy High Speed Train Project, Eskişehir, Turkey, Eskişehir Train Station, Geotechnical assessment report, Gülermak A.Ş. Karabiga Thermic Power Plant Project, Çanakkale, Turkey, Asssesment of slope stability and design of excavation support systems, Cenal A.Ş. Altındağ Residence Project, Altındağ, İzmir, Seismic soil - foundation - structure interaction assessment report, Kavuklar GYO A.Ş. Yaşamkent Residence Project, Ankara, Turkey, Design of ground improvement systems, Akyol İnşaat. Benghazi Multi-Use Project, Benghazi, Libya, Design of deep foundation systems, SML Construction. Park Tepe Residences, Ankara, Turkey, Design of deep foundation systems, Şahika Yapı A.Ş. Altın Oran Project, Slope stability asssesment report, Sinpaş Yapı A.Ş. Bornova Cadde Retail and Residence Project, Bornova, İzmir, Seismic soil - foundation - structure interaction assessment report, Kavuklar A.Ş. Şenbük Wind Power Plant, Design of foundation systems of Turbine T8, Yeni Belen Enerji ZT Enerji A.Ş. Bağıştaş II Dam Project, Slope stability assessment of storage sites, Akdenizli Elektrik Üretim A.Ş. NEC Site Project, Ankara, Turkey, Geotechnical assessment report, Schnabel Inc. Altındağ Residences Project, Altındağ, İzmir, Design of combined bored pile and raft system, Kavuklar GYO A.Ş. Altındağ Residences Project, Altındağ, İzmir, Design of excavation support systems, Kavuklar GYO A.Ş. Altındağ Residences Project, Altındağ, İzmir, Seismic hazard assessment, Kavuklar GYO A.Ş. Mahall Ankara Multi-Use Project, Ankara, Turkey, Design of deep foundation systems, Türkerler A.Ş. Mahall Ankara Multi-Use Project, Ankara, Turkey, Design of excavation support systems, Türkerler A.Ş. Gebze - Orhangazi - İzmir Motorway Project, Orhangazi - Bursa Section, Umurbey - Ovaakça Diversion, Geotechnical assessment report, Yüksel Domaniç Ltd. Şti. Hisarcık Open Pit, Kütahya, Turkey, Investigation and design of drainage facilities, Eti Maden İşletmeleri Genel Müdürlüğü. Aselsan Akyurt Campus Storehouse Building, Design of ground improvement system, Aselsan A.Ş. Ereğli Demir ve Çelik Fabrikaları T.A.Ş., 3rd Cold Rolling Mill Project, Geotechnical assessment report, Erdemir A.Ş. Entepe Residences Project, Ankara, Turkey, Design of deep foundation systems, Entepe A.Ş. Tabakhane 216 Residences Project, Uşak, Turkey, Desingn of ground improvement systems, Esta İnşaat Ltd. Şti. KOÇ Towers, Ankara, Turkey, Combined bored pile and raft design, Akgül İnşaat Ltd. Etlik Integrated Health Campus Project, Geotechnical assessment report, Astaldi SpA & Türkerler A.Ş. ortak girişimi. 3

4 Kırka V. Borax Pentahydrate Facilities, Geotechnical assessment and design of foundation systems, Öztaş A.Ş. Bornova Cadde Retail and Residence Project, Bornova, İzmir, Design of combined barette pile and raft, Kavuklar GYO A.Ş. Bornova Cadde Retail and Residence Project, Bornova, İzmir, Design of excavation support systems, Kavuklar GYO A.Ş. Bornova Cadde Retail and Residence Project, Bornova, İzmir, Sesimic soil liquefaction assessment, Kavuklar GYO A.Ş. Bornova Cadde Retail and Residence Project, Bornova, İzmir, Sesimic hazard assessment, Kavuklar GYO A.Ş. New Mateen Tunnel, Dohuq, Iraq, Seismic hazard assessment, Yüksel Proje A.Ş. Parvan (DFIP) Bagram Airbase, Bagram, Afghanistan, Geotechnical assessment of detention facility, Zafer İnşaat A.Ş. Alpaslan II Dam, Muş, Turkey, Seismic performance assessment of dam body, EnerjiSA Enerji Üretim A.Ş. Alpaslan II Dam, Muş, Turkey, Seismic performance assessment of water inlet and outlet structures, HidroDizayn A.Ş. Sana'a Nox and Housing Project, Geotecnical report for design of excavation support systems and stabilization of water-wells, USA Embassy Sana'a, Republic of Yemen, Zafer İnşaat A.Ş. BEST Residences Project, Ankara, Turkey, Design of deep excavation support systems, Sinpaş GYO A.Ş. KAT Ataköy Residences Project, İstanbul, Turkey, Geotechnical assessment report, KAT Tourism Real Estate Investments and Management Trade INC. Consolidated Community Support Facility, Bagram Air Field, Parwan, Afghanistan, Geotechnical assessment report, Zafer İnşaat A.Ş. Bağıştaş II Dam and HEP Project, Erzincan, Turkey, Assessment of slope stability for existing rail road, Akdenizli Elektrik Üretim A.Ş. Gebze-İzmir Motorway Project, Gebze-Orhangazi Section Bursa Orhangazi (Excluding İzmit Bay Crossing), Turkey, Seismic hazard assessment, Yüksel Domaniç Ltd. Gebze-İzmir Motorway Project, Gebze-Orhangazi Section Bursa Orhangazi (Excluding İzmit Bay Crossing), Turkey, Seismic soil liquefaction asssessment, Yüksel Domaniç Ltd. Bitlis Creek Viaduct Project, Bitlis, Turkey, Seismic hazard assessment, Mega Mühendislik. Warsaw Metro Line, Poland, Geotechnical design, Prota Ltd.. Yaşmaklı Dam, Giresun, Turkey, Seismic hazard assessment, Kolin İnş. A. Ş. Gölgeli Yamaç Dam, Seismic hazard assessment, Baget Ltd. Başar Otel, Ankara, Turkey, Design of excavation support systems, Başar Ltd. Ankara-Eskişehir Rapid Train Railway Route, Seismic hazard assessment, Alarko-OHL-G&O. İstanbul Metro Projesi, Bağcılar Station, İstanbul, Turkey, Seismic soil liquefaction assessment, Güriş A. Ş. 4

5 PUBLICATIONS Journal Papers J.1. Cetin, K. O., Bilge, H. T., Wu, J., Kammerer, A., Seed, R. B. Probabilistic models for cyclic straining of saturated clean sands. ASCE J. of Geotech. and Geoenvir. Eng., 135 (3): , J.2. Cetin, K. O., Bilge, H. T., Wu, J., Kammerer, A., Seed, R. B. A probabilistic model for the assessment of cyclically-induced reconsolidation (volumetric) settlements. ASCE J. of Geotech. and Geoenvir. Eng., 135 (3): , J.3. Cokca E., Bilge H. T., Unutmaz B. Simulation of contaminant migration through a soil layer due to an instantaneous source. Computer Applications in Engineering Applications, Wiley Publishers, 19(2), J.4. Cetin, K. O., Bilge, H. T. Cyclic large strain and induced pore pressure models for saturated clean sands. ASCE J. of Geotechnical and Geoenvir. Eng., 138 (3): , J.5. Cetin, K. O., Bilge, H. T. Performance-based assessment of magnitude (duration) scaling factors. ASCE J. of Geotechnical and Geoenvir. Eng. 138 (3): , Conference Proceedings C.1. Cetin K. O., Bilge H. T. Dolgu barajlarda ölçüm sistemleri. 1. Ulusal Barajlar ve Hidrolik Santraller Sempozyumu , (in Turkish). C.2. Bilge, H. T., Cetin, K. O. Probabilistic models for the assessment of cyclic soil deformations. Proceedings of the 8th U.S. National Conference on Earthquake Engineering, April 18-22, San Francisco, California, USA, C.3. Bilge, H. T., Cetin, K. O. Probabilistic models for the assessment of cyclic soil straining in finegrained soils. 4th International Conference on Earthquake Geotechnical Engineering, Thessaloniki, Greece, June C.4. Bilge, H. T., Cetin, K. O. İnce daneli zeminlerde tekrarlı birim deformasyonların olasılıksal belirlenmesi. 6. Ulusal Deprem Mühendisliği Konferansı, İstanbul, Türkiye, Ekim, (in Turkish). C.5. Bilge, H. T., Yunatci, A., Unutmaz, B., Yunatci, I., and Cetin, K. O. Tekrarlı Deniz Dalga Yükleri Altında Zemin Sıvılaşması Tetiklenme Davranışı. 6. Ulusal Kıyı Mühendisliği Sempozyumu, İzmir, Türkiye, Ekim, (in Turkish). C.6. Bilge, H. T., Cetin, K. O. Probabilistic models for the assessment of cyclic soil straining in finegrained soils. Geotechnical Earthquake Engineering and Soil Dynamics IV, Sacramento, Califonia, USA, May C.7. Cetin, K. O., Bilge, H. T., Wu, J., Kammerer, A. M., Seed, R. B. Tekrarlı yükleme sebepli zemin oturmalarının olasılıksal belirlenmesi. Zemin Mekaniği ve Temel Mühendisliği 12. Ulusal Kongresi, Konya, Türkiye, Ekim (in Turkish). C.8. Bilge, H. T., Unutmaz, B., Yunatci, A. A., Yunatci, I., Cetin, K. O. Liquefaction triggering under cyclic sea-wave loading. 28th International Conference on Ocean, Offshore and Arctic Engineering, May 31-June 05, 2009, Honolulu, HI. C.9. Unutmaz B., Bilge H. T., Cetin K. O. Seismic response and soil liquefaction triggering analyses for earth embankment dams: A case study. International Conference on Long Term Behavior of Dams in Graz, Austria, October

6 C.10. Pehlivan. M., Bilge H. T., Cetin K. O. CPT-based evaluation of liquefaction potential for fine-grained soils. 2nd International Symposium on Cone Penetration Testing. Huntington Beach, California, C.11. Unutmaz B., Bilge H. T., Cetin K. O. CPT-based assessment of liquefaction-induced foundation soil deformations. 2nd International Symposium on Cone Penetration Testing. Huntington Beach, California, C.12. Cetin, K. O., Unutmaz, B., Bilge H. T. Assessment of liquefaction-induced foundation soil deformations. Fifth International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics and Symposium in Honor of Profesor I.M. Idriss, San Diego, California, U.S.A, May C.13. Cetin, K. O., Bilge, H. T. Zeminlerin sismik yükleme altında deformasyon ve mukavemet davranışlarına kritik bakış. Zemin Mekaniği ve Temel Mühendisliği Onüçüncü Ulusal Kongresi, 30 Eylül - 1 Ekim 2010, İstanbul Kültür Üniversitesi, İstanbul, Türkiye. (in Turkish). C.14. Bilge, H. T., Cetin, K. O. İnce daneli zeminlerde tekrarlı yükleme sebepli hacim birim deformasyonların değerlendirilmesi. Zemin Mekaniği ve Temel Mühendisliği Onüçüncü Ulusal Kongresi, 30 Eylül - 1 Ekim 2010, İstanbul Kültür Üniversitesi, İstanbul, Türkiye. (in Turkish). C.15. Bilge, H. T., Cetin, K. O. Sıvılaşma tetiklenme analizlerinde düşey efektif gerilmenin etkisi. 7. Ulusal Deprem Mühendisliği Konferansı, İstanbul Teknik Üniversitesi, İstanbul, Türkiye, 30 Mayıs - 3 Haziran, (in Turkish). C.16. Bilge, H. T., Cetin, K. O. Suya doygun kumlu zeminlerin tekrarlı boşluk suyu basıncı gelişim davranışlarının modellenmesi. 1. Türkiye Deprem Mühendisliği ve Sismoloji Konferansı, Orta Doğu Teknik Üniversitesi, Ankara, Türkiye, Ekim, (in Turkish). C.17. Bilge, H. T., Cetin K. O. Assessment of seismically-induced reconsolidation settlements for saturated sandy soils. 2nd Int. Conf. on Perf. Based Desing in Earthquake Geotechnical Engineering, Taormina, Italy, May, C.18. Cetin, K. O., Yunatcı, A. A., Bilge, H. T. Baraj yapılarının tasarımında sismik tehlike analizlerinin önemi: şartnamelere kıyaslamalı bakış. 3. Ulusal Baraj Güvenliği Sempozyumu, Eskişehir, Türkiye, Ekim, (in Turkish). C.19. Bilge, H. T., Cetin, K. O. Kumlu zeminler için geliştirilen tekrarlı boşluk suyu basıncı modellerine kritik bakış. Zemin Mekaniği ve Temel Mühendisliği Ondördüncü Ulusal Kongresi, Ekim, 2012, Süleyman Demirel Üniversitesi, Isparta, Türkiye. (in Turkish). C.20. Bilge, H. T., Cetin, K. O. Cyclic shear strain response of fine-grained soils. 10th International Congress on Advances in Civil Engineering, October, 2012, Middle East Technical University, Ankara, Turkey. C.21. Çetin, K. O., Bilge, H. T. Stress scaling factors for seismic soil liquefaction engineering problems: A performance-based approach, ICEGE 2013 From Case History to Practice, Bosphorus University, Istanbul, June, C.22. Bilge, H. T., Cetin, K. O. Deprem büyüklüğü ölçekleme katsayılarının performans esaslı olarak belirlenmesi, 2. Türkiye Deprem Mühendisliği ve Sismoloji Konferansı, Mustafa Kemal Üniversitesi, Hatay, Türkiye, Eylül, (in Turkish). C.23. Çetin, K. O., Bilge, H. T., Yunatcı, A.A., Oral, S. U., Siyahi, B., Yüksek Katlı Yapı Sistemlerinde Sismik Zemin-Kazık-Radye-Yapı Etkileşimi Üzerine Bir Değerlendirme, Prof. İsmet Ordemir Anma Sempozyumu, Orta Doğu Teknik Üniversitesi, Ankara, Kasım, (in Turkish). C.24. Siyahi, B., Çetin, K. O., Bilge H. T. Geoteknik deprem mühendisliği açısından zemin - temel - yapı etkileşimine kritik bakış, 5. Geoteknik Sempozyumu, Çukurova Üniversitesi, Adana, Aralık, (in Turkish). 6

7 C.25. Cetin, K. O., Bilge, H. T., Unified assessment of stress scaling factors for liquefaction engineering problems, Geo-Congress Geo-Characterization and Modeling for Sustainability, Atlanta, Georgia, February, C.26. Bilge, H. T., Cetin, K. O., Siyahi, B., Yüksek katlı yapıların deprem - zemin - kazıklı temel etkileşim analizleri için kinematik sistem esneklik matrisinin geliştirilmesi - bir vaka örneği, Teorik ve Uygulamada Yapı Zemin Etkileşimi Sempozyumu, Antalya, Nisan, (in Turkish). C.27. Yunatcı, A.A., Bilge, H. T., Cetin, K. O., Dinamik yapı zemin etkileşim analizleri için tasarıma esas kuvvetli yer hareketlerinin geliştirilmesi: genel değerlendirme ve yeni gelişmeler, Teorik ve Uygulamada Yapı Zemin Etkileşimi Sempozyumu, Antalya, Nisan, (in Turkish). C.28. Bilge, H. T., Cetin, K. O., Dolgu barajların sismik performanslarının sayısal yöntemlerle belirlenmesi - Bir vaka örneği, IV. Ulusal Baraj Güvenliği Sempozyumu, Elazığ, Ekim, (in Turkish). C.29. Bilge, H. T., Cetin, K. O., Sıvılaşma tetiklenme analizlerinde düşey efektif gerilme etkisinin performans esaslı olarak belirlenmesi. Zemin Mekaniği ve Temel Mühendisliği 15. Ulusal Kongresi, Ankara, Ekim, (in Turkish). C.30. Cetin, K. O., Bilge, H. T., Oral, D. G., Ilgaç, M., Gencer, F., Derin bir heyelanın aletsel yöntemlerle tariflenmesi ve önlenmesi: Vaka analizi. Zemin Mekaniği ve Temel Mühendisliği 15. Ulusal Kongresi, Ankara, Ekim, (in Turkish). C.31. Yunatcı, A. A., Bilge, H. T., Cetin, K. O., Bir inşaat sahasında mevcut şevlerin performans değerlendirmesi ve önlem odaklı kesin tasarımı. Zemin Mekaniği ve Temel Mühendisliği 15. Ulusal Kongresi, Ankara, Ekim, (in Turkish). Technical Reports, Books T.1. Bilge, H. T., Cetin, K. O. Field performance case histories for the assessment of cyclically-induced reconsolidation (volumetric) settlements, METU-EERC Report, January, T.2. Bilge, H. T., Cetin, K. O. (2009). Cyclic large strain and induced pore pressure response of saturated clean sands. Rep. No. METU/GTENG 09/12-01, Middle East Technical Univ. Soil Mech. & Foundation Eng. Research Center, Ankara, Turkey. T.3. Bilge, H. T., Cetin, K. O. (2009). Performance-based assessment of magnitude (duration) scaling factors. Rep. No. METU/GTENG 09/12-02, Middle East Technical Univ. Soil Mech. & Foundation Eng. Research Center, Ankara, Turkey. T.4. Cetin, K. O., Bilge H. T. (2014). Recent advances in soil liquefaction engineering. Perspectives on European Earthquake Engineering and Seismology: Volume 1, edited by A. Ansal, Springer. T.5. Cetin, K.O., Bilge H. T. (2015). Stress scaling factors for seismic soil liquefaction engineerinf problems: A performance-based approach. Perspectives on earthquake geotechnical engineering, edited by A. Ansal, Springer Int. Pub., Switzerland. INVITED LECTURES AND PRESENTATIONS "Design of Pile Foundations", Ministry of Environment and Urbanisation, Ankara, June, "Numerical Modelling for Assessment of Settlement and Bearing Capacity Problems", Workshop on Numerical Modelling in Geomechanics, RocScience Inc. & GeoDestek, İstanbul, December,

8 "Numerical Modelling for Design of Support Excavation Systems", General Directorate of Highways,, Ankara, September, "Cyclic shear strain response of fine-grained soils" 10th International Congress on Advances in Civil Engineering, Middle East Technical University, Ankara, Turkey, October, "Compaction Techniques for Embankment Dams, Slope stability and Seepage Analysis" Workshop on Design of Hydraulic Structures, RocScience Inc. & GeoDestek, Ankara, June, "Numerical Modelling for Assessment of Settlement and Bearing Capacity Problems", Workshop on Numerical Modelling in Geomechanics, RocScience Inc. & GeoDestek, Ankara, October, "How Much We Know About Earthquakes?" Ankara Maltepe, Ulus ve Or-an Rotary Clubs, March, "Seminar on Cyclic Response of Fine-Grained Soils" California Polytechnic State University, San Luis Obispo, California, USA, June, "Probabilistic models for the assessment of cyclic soil deformations." 8th U.S. National Conference on Earthquake Engineering, San Francisco, California, USA, April, PROFESSIONAL REVIEWS ASCE Journal of Geotechnical and Geoenvironmental Engineering Türk Mühendislik ve Çevre Bilimleri Dergisi Earthquake Spectra Geomechanics and Engineering KSCE Journal of Civil Engineering Arabian Journal for Science and Engineering International Journal of Geo-Engineering 8