As one of the important components of the main structure of rail transit,the service life of concrete also determines the service life of the entire project.Due to the special service environment of rail transit,the concrete structure is in the environment of alternating dry and wet,operating vibration,corrosive medium erosion,etc.,and it is of great significance to study how to reduce the damage in the complex environment,extend the service life of the underground structure,and improve the durability of the underground structure.This paper attempts to summarize the mechanism of durability deterioration of concrete materials in complex underground environments of metro stations,and then proposes specific measures to improve the durability of underground concrete structures,so as to guide the design of concrete materials and structures in some urban rail transit construction in China in complex environments.
关键词
地下环境复杂/耐久性/劣化机理/防护措施
Key words
the underground environment is complex/durability/deterioration mechanism/protective measures
维普
万方数据