Author(s)

H.D. Yeh, R.H. Lu & G.T. Yeh

Abstract

Field simulation for land displacements by a three-dimensional finite element model H.D. Yeh," R.H. Lu/ G.T. Yeh' " Institute of Environmental Engineering; * Department of Civil Engineering, National Chiao-Tung University, Taiwan c Department of Civil and Environmental Engineering, The Pennsylvania State University, University Park, Abstract Groundwater has been overpumped for fish-farming and results in serious problems of land subsidence in the coastal areas of Yunlin county, Taiwan. A three-dimensional Galerkin finite element model, which coupled equations of force balance and subsurface flow, was utilized to simulate the land displacements occurring in those areas. The field simulations for parameter calibrations and predictions of land displacements were performed by the proposed model through the trial-and-error procedure. The isotropic/anisotropic properties of permeability and elasticity were taken into consideration in the simulation. The maximum cumulative sub

Keywords