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Evaluation of Foundation on Soil with Cavities: A Case Study from the UAE

Reem Sabouni 1 and Eng. Muhanad Airan 2
1. Civil Engineering Department, Abu Dhabi University, Abu Dhabi, United Arab Emirates
2. Civil Engineering Department, ALHOSN University, Abu Dhabi, United Arab Emirates
Abstract—Abu Dhabi, the capital of United Arab Emirates (UAE), is one of the most rapidly developing cities during the last two decades. One of the major problems facing this rapid development is the presence of sub surface cavities and sinkholes in different areas of Abu Dhabi, which causes many engineering and geotechnical problems. The main objective of this research is to evaluate different foundation options for a case study from the UAE with foundation on soil with cavities. The evaluation will be carried out through a finite element numerical investigation using Plaxis 3D to model the four proposed foundation options for the selected case study. The foundation options evaluated are the raft foundation and the pile foundation first with no cavity treatment and then with cavity treatment. Based on the numerical investigation results, the pile foundation with grouted cavities option is recommended to be used as the foundation of the studied structure. 

Index Terms—Soil Cavity, Numerical Modeling, Plaxis 3D, Raft Foundation, Pile Foundation

Cite: Reem Sabouni and Eng. Muhanad Airan, "Evaluation of Foundation on Soil with Cavities: A Case Study from the UAE," International Journal of Structural and Civil Engineering Research, Vol. 7, No. 4, pp. 358-363, November 2018. doi: 10.18178/ijscer.7.4.358-363
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