城市轨道交通地下车站结构自防水关键技术及应用

Self-waterproof Technology for Underground Station of Urban Rail Transit and Its Application

抑制混凝土开裂是保障城市轨道交通地下车站结构自防水性能的关键。文章首先分析了混凝土抗渗性能以及出现开裂的主要原因,在此基础上,结合相关标准,介绍了包括抗裂性设计、混凝土材料、施工工艺、监测和检验在内的地下车站结构抗裂防渗成套技术以及工程实施效果。研究成果可以为提升地下车站结构自防水性能、解决工程渗漏难题提供有效的技术途径。

Inhibiting concrete cracking is the key to ensuring the self-waterproof performance of the underground station of urban rail transit.This paper firstly analyzes the anti-seepage performance of concrete and the main reasons for cracking.Based on this analysis,combined with relevant standards,it introduces a complete set of anti-cracking and anti-seepage technology for the underground station structure,including crack-resistant design,concrete materials,construction technology,monitoring and inspection,as well as the implementation effect of the project.The research results can provide an effective technical method to improve the self-waterproof performance of underground station structures and solve the engineering leakage problems.