The law of critical depth varying with diameter and deviation distance and the hidden holes handling range under subgrade were found out; also the effects of dynamic and static load were compared.
找出了临界洞室埋深随洞径和偏移距离变化的规律，并确定出了路基下伏暗穴治理范围，同时对动、静荷载效应进行了对比分析。
The usually used design method, p-y curves method, is unsuitable for estimating the deformation response of the large-diameter monopile under long-term cyclic lateral load.
特别针对砂性土壤，提出了应用室内三轴循环试验的结果评估单桩在单向循环侧向力下的变形方法。
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