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In order to investigate the characteristics of force deformation of peripherial pile group bearing platform subjected to the influence of coal pile load, taking a large specific coal yard in Malaysia as engineering background and based on the large finite element numerical calculation platform ABAQUS, a three-dimensional nonlinear numerical model for the soft soil-pile group-bearing platform system under the influence of coal pile load was established with the consideration for space stiffness effect, and the force deformation analysis and safety evaluation for base scheme of group pile bearing platform were also performed. The results show that under the influence of coal pile load, the pile bodies near the coal pile side have the maximum lateral displacement, and the mutation phenomenon occurs during internal force deformation of pile bodies within the depth range of weak interlayers. In addition, the tensile stress concentration zone exists within the middle and bottom sections of pile bodies for side bearing platform and the joint section between bearing platform and pile cap of middle platform. © 2019,Editorial Department of Journal of Shenyang University of Technology. All right reserved.
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