In conditions of underground water level and water pressure as a key problem in the construction of the extradeep underground building structure ,waterproof construction affects the security and the endurance directly, so it is quite important in the whole eonstmetion. The authors introduce the methods of waterproof construction in the extra-deep underground structure from the choice of waterproof materials and the parts of piles, corner, construction joint, post-casting band,deformation joint. It is of great app...
