GROUND SURFACE LOADING MODEL TEST ON DEFORMATION BEHAVIOR OF TUNNEL LINING

Abstract

Ground surface loading model tests above a tunnel have been carried out to evaluate an analytical method of tunnel lining deformation behavior caused by adjacent constructions such as banks or foundations of structures. Ground conditions of the tests are 2 types; soft mortal and sand.
As a result, nonlinear deformation behaviors of the ground and the tunnel lining were comprehended. And it was shown that these experimental results could be simulated by FEM analysis using a nonlinear ground model and a contact model between ground and tunnel lining.