Failure Analysis of Buried Polyethylene Pipe Subjected to Combined Loading of Non-uniform Settlement and Landslide Based on FEM

Polyethylene (PE) pipes are widely used in urban gas transportation systems but they are more prone to failure than steel pipes under the ground loads such as settlement, landslide and cyclic traffic load. This paper aims to study the position transfer law of failure location under the combined loading of non-uniform settlement and landslide, a numerical simulation model of buried PE pipe is developed in ABAQUS using a new method of non-uniform...