摘要
相互作用问题是地下管线动力分析中的重点和难点。本文借助于大型有限元软件ABAQUS/Standard中的管土相互作用单元(Pipe-soil interaction element,简称PSI单元)并利用直剪试验实测的接触面本构关系,对管线与土体之间的相互作用进行了数值模拟研究,计算得到了地下管线在动力作用下的内力和变形。分析结果与试验结果的对比表明,本文方法具有良好的计算精度,对地下管线的分析和设计具有参考意义。
The interaction between soil and pipe is a crucial topic in the dynamic analysis of buried pipelines. The pipe-soil interaction element （PSI） in the finite element software package, ABAQUS/Standard, is employed to simulate the soil-pipe interaction. The parameters of interface constitutive models are identified from the results from direct shear test. The internal forces and the deformation of the pipeline are calculated. It is concluded that the numerical analysis using PSI agrees well with the experimental results.
出处
《地震工程与工程振动》
CSCD
北大核心
2007年第3期132-136,共5页
Earthquake Engineering and Engineering Dynamics
基金
国家自然科学基金委创新研究群体科学基金(50321803)
