膨胀土渠坡降雨入渗现场试验研究

Field study of the effects of rainfall infiltrationon channel slope of expansive soil

探讨了降雨入渗对膨胀土渠坡稳定的影响。研究表明,膨胀土的裂隙是控制膨胀土渠坡稳定的重要因素,降雨是诱发滑坡的直接原因。同时,还证明了降雨对膨胀土具有一定的影响范围。

This paper deals with the effects of rainfall infiltration on expansive soil slope. The study result indicated that cracks and fissures play a key role in the slope stability. Rainfall is a direct cause inducing land slide. It was also verified that rainfall have certain influences on expansive soil slope in depth. This study result has been applied in the design, construction and research of the Water Transfer Project from South to North.