Investigation of MSE Wall Behavior under Rail Base by Finite Element Method Base on Field Scale Model

Abstract

Railway system nowadays consists of mechanically stabilized earth (MSE) Wall, due to its serviceability and lower cost than conventional retaining wall. MSE wall must subject to dynamics loading induced by moving of the train, so it requires study and research about MSE wall and dynamics loading to understand it’s behavior. This research study the behavior of MSE wall support the moving load of train in varied constant speed at 100, 150, 200 Km/hr. by finite element modeling method. The model consists of 4.10 m wide rail track structure on top of 20.4 m wide and 6 m high MSE wall with 70° slope on one side. Then investigate the MSE wall’s behavior lateral displacement, settlement, and stain in reinforce material. The result show that lateral displacement and settlement increase as the speed increase. Compression stain in reinforce material is risen as the speed increase.