3.6 清底 3.6.5 特殊的清底方法——砂浆悬浮施 工法 在特殊的清底方法中,采用空气吸泥机的方法和下面所述的喷射法以及J和C法,是将没有清除干净的沉淀物与孔底的泥水一起排出,或喷射流体使沉淀物上浮。与这些方法相应的砂浆法,是以使沉淀物不集存在孔底为出发点的。在砂浆法中,为了完全除去沉淀物, 3.6 Clear-end 3.6.5 Special clearing method - mortar suspension construction method In a special clearance method, the method of using the air suction machine and the jet method described below and J and C method, will not be cleaned Of the sediment together with the muddy water at the bottom of the hole, or to eject the fluid to float the sediment. Mortar methods corresponding to these methods are based on the idea that the precipitate does not accumulate in the bottom of the hole. In the mortar method, in order to completely remove the precipitate,