The result shows soil masses in surface layer reach saturation more easily under great rainfall intensity and long-lasting rainfall,at the same time,there are big infiltration depth and influence of wetting deformation.

• 结果显示；降雨强度越大、降雨持续时间越长；非饱和区土体含水率变化也大；坝坡表层土体较容易达到饱和；并且降雨影响深度也大；对坝坡表面湿化裂隙的产生及坝坡稳定性影响大.