The treatment and effectiveness by use of prefabricated drains method to dissipate the excess pore pressure by pile driving are also introduced under the condition without external loads.

• 在不加外荷载情况下,采用塑料排水板方法消散打桩引起的超静孔隙水压力的处理措施,解决了高孔隙水压力下主厂房的开挖问题。