Dr.-Ing. Marwan Alzaylaie

Senior Manager- Geotechnical
Dubai Development Authority

Dr.-Ing. Marwan Alzaylaie has been working at Dubai Development Authority (DDA), as Senior Manager-Geotechnical Engineering since 2006, His responsibilities include the review of geotechnical works design such as geotechnical investigation reports, shoring design, piling/deep foundation design, soil stability for open excavation and soil improvement design, moreover, he is supervising and monitoring the geotechnical works at construction sites within DDA jurisdictions. Since 2015 he started teaching as part-time lecturer at Heriot-Watt University Dubai, he is involved in teaching the geotechnical engineering courses and supervising the post and under graduate students’ researches. he started working as a civil engineer in Sharjah Municipality during the period from 2002 to 2006.

Dr. Alzaylaie graduated with B.Sc. in civil engineering from University of Sharjah (UoS) in 2001. he obtained his M.Sc. in civil engineering in 2008 from (UoS) and his research title was “Modification of the Swelling and Phosphorus Retention Characteristics of Bentonite Clay Using Alum”. In 2017 he obtained his PhD in geotechnical engineering from Technische Universität Darmstadt in Germany (TU Darmstadt) His PhD thesis was titled “Stiffness and Strength of Dubai Sedimentary Rock”. Dr. Alzaylaie has been publishing several papers in addition to serving as member of organizing committees for numerous international conferences. Furthermore, he is a Member for ISSMGE Technical Committee TC 217 (Land Reclamation) and he is a current committee member and the former secretary of Deep Foundation Institute (DFI)- Middle East Regional Chapter.

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Conference Day Two: Tuesday, 22 October 2019

Tuesday, October 22nd, 2019

10:40 AM REGIONAL PRESENTATION: Analytical and FEM Evaluation of Liquefaction Potential: A case study of Pearl Jumeirah

Dubai is becoming an engineering hub for complex civil structures with considerable geotechnical considerations. Recently, sands from the Dubai waters are being dredged to form new artificial offshore structures. One such structures is the Pearl Jumeira extending from Jumeira Beach into the Arabian Gulf. Pearl Jumeira is approximately 8.3 million square feet of land with 3.0 million square feet of residential plots. The thickness of the reclamation fill varies across the site but is typically in the order of 10 m to 15 m and consists primarily of clean sand with lenses of silty materials followed by pre-reclamation seabed sand and silty materials of varying thicknesses underlain by rock formation. Potential for liquefaction is considered one of the most significant characteristics of reclaimed lands. This paper will discuss and compare the two common procedures adopted in the calculation of liquefaction potential: The Finite Element Method (FEM) and the analytical solution using the Seed & Idriss NCEER approach. The FEM method used will employ the use of MIDAS software with earthquake time-history. While the analytical approach will utilise the in-situ CPT and SPT test carried out pre- and post-improvement. Analytical solutions will be analysed using Cliq.