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Response Analysis of Buried Pipeline Subjected to Fault Movements
As an important factor to safe operation of pipelines, seismic faults may cause them to fail with tension rupture or buckling failure. This paper presents a detailed analysis of pipelines using the shell finite element method, considering depth, backfill soil properties and pipeline-soil nonlinear interaction. Conclusions are attained as follows: crossing angle of pipeline and fault is a sensitive factor which easily causes pipeline tensile rupture or buckling failure. Compactness of backfill soil cannot be ignored in theoretical analysis and engineering design. The stress, strain and displacement have a regular distribution, and elliptic phenomenon along pipeline is also needed to be considered.
Response Analysis of Buried Pipeline Subjected to Fault Movements
As an important factor to safe operation of pipelines, seismic faults may cause them to fail with tension rupture or buckling failure. This paper presents a detailed analysis of pipelines using the shell finite element method, considering depth, backfill soil properties and pipeline-soil nonlinear interaction. Conclusions are attained as follows: crossing angle of pipeline and fault is a sensitive factor which easily causes pipeline tensile rupture or buckling failure. Compactness of backfill soil cannot be ignored in theoretical analysis and engineering design. The stress, strain and displacement have a regular distribution, and elliptic phenomenon along pipeline is also needed to be considered.
Response Analysis of Buried Pipeline Subjected to Fault Movements
Jiao, Zhongliang (author) / Shuai, Jian (author) / Han, Kejiang (author)
International Conference on Pipelines and Trenchless Technology (ICPTT) 2009 ; 2009 ; Shanghai, China
ICPTT 2009 ; 1212-1218
2009-09-15
Conference paper
Electronic Resource
English
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