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1·With vertical pipe shield and underwater pile-foundation, a protection frame for wellhead is designed for the development of offshore marginal field.

设计了一种适用于海上边际油气田开发的垂直护管水下桩基式井口保护架。

2·In this paper, the mechanical behaviour of a shield tunnel construction in urban metro adjacent to existing pile foundation is studied by using 3d FEM ANASYS numerical simulation method.

针对城市地铁新建隧道近接既有民房桩基的工程情况，进行了三维有限元数值模拟的施工力学行为研究。