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The Effect of Rainfall Condition on Infiltration and Stability of Soil Slope
Author: ZhuJianTao
Tutor: WangZuo
School: Hohai University
Course: Disaster Prevention and Reduction Engineering and Protective Engineering
Keywords: Saturated - unsaturated seepage Unsteady seepage Infiltration FEM Slope stability
CLC: TU46
Type: Master's thesis
Year: 2006
Downloads: 465
Quote: 9
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Abstract
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When rainfall infiltration dams, slope stability problem involves not only saturated - unsaturated seepage law , but also involves changes in the moisture content of unsaturated soil strength parameters of influence . In this paper, the different nature of the soil , different rainfall conditions on the slope seepage and stabilizing influence , the use of saturated - unsaturated seepage theory and the theory of rainfall infiltration , seepage analysis of the change process , according to the calculated transient seepage field use of unsaturated soil shear strength theory, the slope of the line transient stability analyzes . The main contents are: an introduction under rainfall saturated - unsaturated seepage basic theory, introduced unsaturated seepage control equation of the boundary conditions under rainfall . 2 pairs under rainfall saturated - unsaturated seepage finite element equations were derived , and the finite element program, a number of issues were discussed briefly describes slope stability under rainfall infiltration mechanism . 3 for different soil properties , using simple finite element model of dam slope calculated for different rainfall intensity , rainfall duration , rain -and early rainfall seepage under the conditions and in accordance with the calculated results were seepage slope stability analysis to calculate the slope of rainfall at the end of the transient safety factor , draw some useful conclusions .
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CLC: > Industrial Technology > Building Science > Soil mechanics,foundation engineering > Groundwater, and .
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