Abstract：
The underground railway is the main node of the subway network, is also the most for the main means of transport, in underground railway pruning and need to pay attention to waterproof problem, in order to improve the construction speed and save the construction cost point of view, clear of waterproofing for underground railway basic principles. The local subway case with exemplary, the deep base, rich groundwater, technical difficulties, high standard requirements for waterproofing works, on the basis of, according to the main content of the construction project, further elaborated the subway engineering waterproof principles, requirements, waterproof concrete and construction technology.
