提出了管道失稳时假定接头处为铰链的管土相互作用宏观模型。
The macroscopic model of pipe-soil interaction at failure of pipeline is put forward by assuming that the joints act as hinges.
总结前人研究成果的基础上，基于模型试验和有限元分析方法，进行了掩埋管线的管土相互作用研究：1。掩埋于砂土中管线的室内模型试验研究。
Based on former research, author investigates the interactions between pipelines and soils around by laboratory test and FEM. 1. Laboratory model test for pipelines buried in sandy soils.
由于埋地管道与土体之间存在管、土相互作用，地震、地面不均匀沉降等地层变形均会导致管道受力、变形而被破坏。
The ground deformation caused by earthquake, soil differential settlement often induces damage of the buried pipe due to pipe-soil interaction.
分析了传统曲线顶管施工中管土之间的相互作用，建立了首节管道和后续管节的受力模型及土体反力分布模式。
The pipe-soil interaction in the traditional curved pipe jacking is analyzed. The soil counterforce distribution model and load bearing model for the heading and the latter pipelines are set up.
计算结果表明，管径大小对管、土相互作用影响很大；
The results indicate that pipeline diameter is important to the interaction between pipeline and soil;
计算结果表明，管径大小对管、土相互作用影响很大；
The results indicate that pipeline diameter is important to the interaction between pipeline and soil;
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