Abstract
With the development of underground prefabricated building structure, the influence of waterproof performance on underground engineering construction is becoming more and more important. Based on the analysis of the current situation of waterproof technology of prefabricated subway station joints, this paper conducts similar experiments on the waterproof mechanism and construction characteristics of the water-swelling rubber water-stop selected at the joint, and analyzes the waterproof performance of the assembly joint and the overall performance of the structure. It lays the foundation for the selection of waterproof materials, structural size optimization and opening design of the prefabricated subway station structure, and analyzes the waterproof performance of the rubber water-stop. In order to grasp and record the overall stability and waterproof performance of the assembled subway station structure in time, on the basis of field investigation, the model joint specimens of the assembled subway station joints were made according to the similar theoretical model experiment, and the joints of the assembled subway station joints were watered. The internal seepage, development and deformation convergence of the specimen structure were monitored in real time. The monitoring results will provide data support for the operation safety of the assembled subway station.
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