The theory of Marston-Spangler is basis of methods with which calculating the vertical earth pressure on the top of trenching conduit.
Marston-Spangler理论是现有计算沟埋式管道垂直土压力的基础。
参考来源 - 硬基沟埋式管道垂直土压力研究·2,447,543篇论文数据，部分数据来源于NoteExpress
表明对大型沟埋式管道的上压力，采用弹塑性理论的非线性分析是比较符合实际的，其结果可供设计参考。
Based on the theory of elastic-plastic deformation, according to the finite element method, this paper presents a nonlinear analysis of the distribution of the soil pressure of the ditch conduit.
分析和验证结果表明，本文公式适用于包括上埋式和沟埋式在内的填埋式管道土压力计算的一般情况。
It is shown by the analysis and the verification that formula in this paper can be used to calculate the vertical earth pressure on conduit hidden by filling with soil including convexly and in gully.
分析和验证结果表明，本文公式适用于包括上埋式和沟埋式在内的填埋式管道土压力计算的一般情况。
It is shown by the analysis and the verification that formula in this paper can be used to calculate the vertical earth pressure on conduit hidden by filling with soil including convexly and in...
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