摘要
在高速铁路地下车站轨顶现浇超大尺寸混凝土结构风道的后施工技术目前在国内外尚无相关案例。结合工程实际,从混凝土运输通道、浇筑方案对比、混凝土配合比、施工工况及顺序等方面,对轨顶混凝土风道后施工技术进行分析研究,并取得了良好的实施效果,可为类似工程提供借鉴。
At present, there is no relevant case at home and abroad about the post-construction technology of superlarge cast-in-situ concrete structure air duct on rail top of the high-speed railway underground station. According to the actual project, from the aspects of concrete transportation passage, pouring scheme comparison, concrete proportioning and construction conditions and sequence, the post-construction technology of concrete air duct on rail top is analyzed and researched, and good implementation effects are obtained, which can provide reference for similar projects.
作者
刘立新
LIU Lixin(China Railway Beijing Engineering Group Beijing Co., Ltd., Beijing 100073, China)
出处
《建筑施工》
2019年第6期1065-1066,共2页
Building Construction
关键词
高铁车站
轨顶混凝土风道
后浇筑
配合比
收缩裂缝
high speed rail station
rail top concrete air duct
post pouring
mix proportion
shrinkage crack
