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首页> 外文期刊>Engineering Structures >Dynamic analysis of an elastic-plastic multisegment lining buried in soil
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Dynamic analysis of an elastic-plastic multisegment lining buried in soil

机译：埋在土壤中的弹塑性多段衬砌的动力分析

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摘要

This paper presents a simplified model for the dynamic elastic-plastic analysis of a multi-segmented lining that is buried in a continuous medium. The lining is composed of a number of rigid arch segments that are interconnected by elastic-plastic hinges. The surrounding medium is simulated by a visco-elastic base with coefficients that depend on the coordinates only. The recursive formulas for the segments' angular accelerations were derived. A numerical solution was provided for both the uniform (homogeneous) and the non-uniform (non-homogeneous) base. To simulate an anisotropic medium, special formulas for the base coefficients were derived. The dependence of the proposed solution on different parameters was studied.
机译：本文为埋在连续介质中的多段衬砌提供了一种动态弹塑性分析的简化模型。衬里由许多刚性拱形段组成，这些拱形段通过弹塑性铰链相互连接。周围介质是由粘弹性基础模拟的，其系数仅取决于坐标。推导了各段角加速度的递推公式。为均匀（均质）和非均匀（非均质）基都提供了数值解。为了模拟各向异性介质，导出了基本系数的特殊公式。研究了所提出的解决方案对不同参数的依赖性。

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