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Numerical modeling of the dynamic lateral behavior of geosynthetics-reinforced pile foundation system

机译:土工合成材料桩基础系统动态横向行为的数值模拟

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This paper presents a finite-element (FE) analysis for simulating the dynamic performance of geosynthetics-reinforced pile foundation system. The (FE) models were constructed using commercial FE program Plaxis 3D Dynamic. The numerical models were verified against the results of a reduced scale model test of geosynthetics-reinforced pile foundation system. A numerical parametric study was carried out to investigate the effect of different design parameters on the effectiveness of the proposed geosynthetics-reinforced pile foundation system. The studied parameters include: the frequency and amplitude of ground motion; the stiffness and strength of the geosynthetic reinforcement, the location of the reinforcement within the backfill material and the thickness of the backfill material. The numerical results indicated that the geosynthetics-reinforcement greatly reduced the maximum lateral acceleration response of the pile cap. (C) 2015 Elsevier Ltd. All rights reserved.
机译:本文提出了有限元分析来模拟土工合成材料加筋桩基础系统的动力性能。 (FE)模型是使用商业FE程序Plaxis 3D Dyn​​amic构建的。相对于土工加筋桩基础系统的缩小模型测试结果,对数值模型进行了验证。进行了数值参数研究,以研究不同设计参数对所提出的土工合成材料加筋桩基础系统有效性的影响。研究的参数包括:地震动的频率和振幅;土工合成材料增强材料的刚度和强度,增强材料在回填材料中的位置以及回填材料的厚度。数值结果表明,土工合成材料的增强大大降低了桩帽的最大横向加速度响应。 (C)2015 Elsevier Ltd.保留所有权利。

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