饱和软粘土地基沉桩过程中桩土挤压所引起的桩周土体超孔隙水压力效应是非常显著的。
The excess pore water pressure of saturated soft clay foundation caused by pile pushing is obvious.
通过基坑工程实例，介绍带有超深坑中坑的复杂软土基坑的挖土施工技术。
Through a case of foundation pit, the excavation construction technique of complex soft soil foundation pit with super deep foundation "pit-in-pit" was introduced in the paper.
软土高填方路基施工过程中，土内自由水难以及时排出，产生超静水压力。
In the course of construction, the free pore water in the weak soil of highway foundation is seldom discharged immediately, and the excess pore water pressure comes into being.
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