Influence of large-diameter pipe pile driving on surrounding marine soils and adjacent submarine pipelines |
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| Authors: | Jinzhong Dou Zhong-Jie Zhang |
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| Institution: | 1. Department of Civil Engineering and State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, China;2.  https://orcid.org/0000-0002-5093-9361;3. Shanghai Urban Construction Design and Research Institute, Shanghai, China |
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| Abstract: | AbstractWith the large-scale development and utilization of ocean resources and space, it is inevitable to encounter existing submarine facilities in pile driving areas, which necessitates a safety assessment. In this article, by referring to a wharf renovation project as a reference, the surrounding soil response and buried pipe deformation during pile driving in a near-shore submarine environment are investigated by three-dimensional (3D) numerical models that consider the pore water effect. Numerical studies are carried out in two different series: one is a case of a single pile focusing on the effect of the minimum plane distance of the pile–pipe, and the other is a case of double piles focusing on the effect of the pile spacing. |
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| Keywords: | Numerical model pile driving excess pore water pressure lateral displacement of soil pipe deformation hybrid Lagrangian–Eulerian |
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https://orcid.org/0000-0002-5093-9361;3. Shanghai Urban Construction Design and Research Institute, Shanghai, China