Numerical study of earthquake hazards of liquefaction occurring on the site and stability of transport pipes

Arteries are vital components of the buried pipe for water distribution, gas, oil, etc. are used. Vulnerability of pipelines against earthquake-induced liquefaction has been observed since in many past earthquakes. There are extensive reports about. Liquefaction can be by the side, fluid fragmentation, loss of cargo, buoyancy, causing subsidence and deformation in the structure. Buried gas pipe network in some urban areas may be saturated loose sandy soil layers, are buried. The purpose of this numerical study on the liquefaction of the pipe is buried. This study focused on the behavior of a burial pipe with special reference to its stability against floatation subject to soil liquefaction. The excess pore water pressure response behaviors of soil foundations, and the effectiveness of different types of drainage or reinforcement measures were investigated using Finite Element Method (FEM).