LAND SUBSIDENCE AND PREDICTION BASED ON VISCOUS-ELASTIC CONSOLIDATION FEM

摘要

It is the purpose of this article to explore the method of land subsidence and prediction. The two-dimensional formulas of viscous-elastic Biot's consolidation FEM base on Merchants' model are presented to calculate land subsidence. Land subsidence relation with pore-pressure dissipation and soil saturated consolidation, On the basis of field observations and laboratory test parameters by the drilling. It was revised to settlement results so that the predicted subsidence quantities are found reliable comparable to field measurements. The future subsidence can be predicted more accurately by using the method. This paper can provide significant information for the issue of the natural hazard mitigation.