Lateral Bearing Capacity of Multi-Bucket Foundation in Soft Ground |
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| Authors: | LUAN Mao-tian SUN Xi-yuan TANG Xiao-wei FAN Qing-lai K Tim Law |
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| Institution: | [1]School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China [2]State Key Laboratory of Coastal and Offshore Engineering, Dalian Univershy of Technology, Dalian 116024, China [3]School of Civil Engineering, Ludong University, Yantai 264025, China [4]Department of Civil and Environmental Engineering, Carleton University, Ottawa, Canada |
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| Abstract: | The bucket foundation is a new type of foundation for offshore application to intermediate-depth waters. It has advantages over conventional ones. However, there is no consensus in the analysis and design of this type of foundation. In this paper, the lateral bearing capacity and the failure mechanism of multi-bucket foundations are studied with different connection stiffness and bucket spacing by use of a three-dimensional finite element method. Based on the numerical analysis results, a limit analysis method of plasticity for evaluating the lateral bearing capacity of large-spacing multi-bucket foundation with rigid connection in soft ground is proposed. This method provides a simple procedure that gives results comparable to those from the finite element analyses. |
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| Keywords: | lateral bearing capacity multi-bucket foundation finite element method limit analysis method soft ground |
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