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Numerical Simulation of Spatial Synergic Interaction in the Double-Row Anti-Sliding Piles

机译:双排防滑桩中空间协同相互作用的数值模拟

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As a new bracing structure, the double-row anti-sliding piles based on spatial framework structure, which have the advantages of less displacement in the top of the piles and large anti-force, are developed as a new retaining structure, and can be used to reduce the piles deformation. However, the previous calculation models of double-row piles ignored the deformation coordination action between linking beams and ring beams, the interaction between piles and beams. Further more the calculation results based on the models are not accurate enough. In this paper, a spatial force model of the double-row anti-sliding pile is presented. Taking double-row anti-sliding pile as a single-layer multi-span frame affected by piles, beams and soils, the spatial synergic interaction between top ring beam and linking beam, as well as the affection of soil-arch on the frame are analyzed. The horizontal displacement in front of the double-row anti-sliding pile and distribution of axial force and moment of piles are studied by finite element method. The results reflect commendably the stress and distortion character of the double-row anti-sliding pile. Finally, some rules about the pile-beam-soil interaction in the pile structure are summarized.
机译:作为一种新的支撑结构,双排抗滑桩基于空间框架结构,其具有较小排量的优势,在桩和大型反力的顶部,被开发为新的定位结构,能用于减少桩变形。然而,双排桩以前的计算模型忽略了变形协调动作的连接梁和圈梁之间,桩和梁之间的相互作用。进一步基于模型的计算结果不够准确。在本文中,双排抗滑桩的空间力模型。以双列抗滑桩作为受桩单层多跨框架,梁和土壤,顶环梁和连接梁之间土壤拱的框架上的感情空间协同相互作用,以及是分析。在双列抗滑桩和的轴向力和桩的力矩分配的前部的水平位移是通过有限元法的研究。结果反映值得称赞的双列抗滑桩的应力和变形字符。最后,关于桩结构桩梁土相互作用的一些规则进行了总结。

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