Finite Element Modelling of Liquefactionphenomena under cyclic loading

Soil liquefaction is a phenomenon where saturated soil temporarily loses itsstrength and behaves like a liquid due to increased pore water pressureduring seismic events such as earthquake. Many researches haveinvestigated this phenomenon through laboratory and numerical analysis. Inthis study, we have modeled a laboratory-scale model by using finiteelement method, which was previously modeled by various researchersthrough different numerical methods like discrete element method. Based onthis, we have constructed a one-dimensional model that showed high degreeof correlation with the output of centrifuge tests. Finally, we explain theprocedure of creating the numerical model using finite element method,which can be used by researchers intending to work on liquefactionnumerically, and study the excess pore pressure with time for differentheights of soil column.

Keywords:

Liquefaction , finite element , one-dimensional model , excess pore pressure , vertical effective stress