arching effect ratio 拱效应比值
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According to the working characters of retaining piles for deep excavation, the arching effect in adjoining soil is analyzed.
根据深基坑桩排式支护中护壁桩的受力变形特点，分析了被支护土体中的成拱作用。
If the ratio of depth to diameter of pit is less than 10, the arching effect may be ignored and the circular foundation pit can be analyzed as plane slopes with the method of slices.
若基坑的深度与直径之比小于10，则可忽略“拱效应”，将其看成平面边坡，用条分法对其进行稳定性分析。
Three dimension numerical model was set up to discuss the soil arching effect of passive piles due to soil lateral displacement.
采用三维数值模型模拟土体水平位移条件下被动桩的成拱效应。
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