EXPERIMENTAL AND NUMERICAL STUDY ON THE CHARACTERISTICS OF EARTH PRESSURE ACTING ON THE BOX-SHAPE UNDERGROUND STRUCTURE SUBJECTED THE STRIKE SLIP FAULT DISPLACEMENT

Abstract

 This research focuses on the characteristics of earth pressure acting on the box-shape underground structure subjected the strike slip fault displacement.
 Firstly, centrifuge experiments were conducted to investigate the deformation shape of the ground, as well as the characteristics of earth pressure acting on the underground structure quantitatively during the fault movement. Then, numerical simulations, utilizing the 2D elasto-plastic FEM, were conducted to investigate the reproducibility of the external force and deformation of the underground structure.
 The results show the 2D elasto-plastic FEM can reproduce the deformation shape of the ground, earth pressure acting on the underground structure and deformation of the structure.