The Analysis Of Ground Surface Settlement And Building Envelope Displacement Caused By Foundation Pit Dewatering

The technique of dewatering and the analysis of settlement of ground surface induced by dewatering in foundation pit is firstly discussed in detail in this paper, and the research focus on the settlement of groundsurface induced by dewatering in foundation pit is also summarized.Second, it introduces the badly effect of the groundwater in foundation pit. And the method as well as the applicable conditions of dewatering in foundation pit, the function of dewatering in foundation pit, and its effect on the surrounding environment was summarized.And then, it analyzes the deformation mechanism of the soil under the dewatering and the influencing factors of the earth’s settlement. It concludes existing fundamental theory of settlement of ground surface induced by dewatering in foundation pit. Introduce the calculate method of the water inflow quantity of the foundation pit.For the calculation of land subsidence caused by pit dewatering, the groundsurface settlement of general method caused by pit dewater are emphatically analyzed in this paper. Recognizing that. Settlement of groundsurface caused by dewatering of foundation pit is a problem of coupled analysis of seepage and stress field. Establish different model by Midas/GTS, analysis the calculation result, and compared with the measured data.Further work is briefly discussed.