TITLE:
Safety Length Simulation of Natural Gas Pipeline Subjected to Transverse Landslide
AUTHORS:
Guizhi Li, Peng Zhang, Zhixiang Li, Zunhai Ke, Gengxin Wu
KEYWORDS:
Transverse Landslide, Gas Pipeline, Finite Elements Simulation, Strength Reduction Method
JOURNAL NAME:
World Journal of Engineering and Technology,
Vol.11 No.1,
February
22,
2023
ABSTRACT: The safety of natural gas pipeline is often severely threatened by the transverselandslide. At home and abroad, it is the first time to study the safe length of the pipeline when affected by landslide, and take the safe length of the pipeline as an engineering practical index. Therefore, it is of great significance to study the influence of transverse landslide affectingthe safety of natural gaspipeline when a certain length of pipeline is thrusted, and to establish practical index and simulation method for prediction and prevention of the landslide hazards to gas pipeline. Based on the current research results, this study could be divided into three steps: First of all, with the help of ANSYS finite element software, the model of transverse landslide acting on the gas pipeline can be set up, then the length value of gas pipeline safely withstanding transverselandslide can be calculated; Secondly, using the strength reduction method, which is commonly used in the research of landslide stability, can establish three-dimensional model of the landslide and pipes in the ABAQUS finite element software, next, under the same landslide pushed length, the calculation results will be obtained; Finally, to draw reliable conclusions, all calculated results of the former two methods will be linked to synthetically and comparatively analyze, then the length value of common X80 gas pipeline safely bearing transverse landslide can be got. All results can provide some references for engineering and design.