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This article selects the retaining wall as the research object, introducing the rainfall infiltration model, considering the infiltration of rainwater into the groundwater recharge, analysizing the variation of earth pressure in the subgrade retaining wall. On this occasion, the back of retaining wall produces stable seepage water and compares with the non drainage water body. The results show that, with the infiltration of rainwater into the groundwater recharge, the greater the active earth pressure under the condition of rainfall appears, more quickly the active earth pressure of the retaining wall with the drainage body increases. The matrix suction of unsaturated soils, which is infiltrated into soil of subgrade, has a positive effect on the shear strength of the earth pressure.

KEYWORDS

Subgrade Engineering, Matrix Suction, Limit Equilibrium Method, Active Earth Pressure, Retaining Wall, Rainfall Infiltration

Cite this paper

Zhang, Y. , Lin, J. and Zhao, J. 2016 Earth Pressure of Retaining Structure Induced by Subgrade under Rainfall. Open Journal of Civil Engineering, 6, 495-501. doi: 10.4236-ojce.2016.63042.





Autor: Yuwei Zhang, Junzhi Lin, Jun Zhao

Fuente: http://www.scirp.org/



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