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Studies on Vertical Earth Pressure Based on Relative Stiffness of Pipe-Soil for the Trench Buried Pipe
Pages: 143-144,148
Year: Issue:  4
Journal: Yellow River

Keyword:  相对刚度竖向土压力沟埋管道有限元分析;
Abstract: 通过建立管道、回填土、地基的有限元分析模型,研究不同管土相对刚度对管顶竖向土压力的影响.结果表明:管项填土竖向位移随着管土相对刚度的增大逐渐增大;在相对刚度较小时,随着埋深的增大,管顶竖向位移变化较小;埋深较浅时,管土相对刚度对管顶竖向土压力影响较小,当埋深大于4.5m时,随着管土相对刚度的增大,管顶竖向土压力明显增大.
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