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.
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.
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