高速公路连拱隧道泵送混凝土施工技术

The pump concrete construction technology of double-arch tunnel in express highway

介绍了浙江省金丽温高速公路双港口 2号连拱隧道采用泵送混凝土进行施工的状况。根据工程概况和施工要求 ,对泵送混凝土施工工艺和施工过程作了详细阐述。分析了在泵送过程中发生堵管故障的原因以及应采用什么方法进行排除。

The construction situation using pump concrete for double arch tunnel of Zhejiang Jinliwen express highway is introduced. According to the engineering situation and construction demands the construction technology and process for pump concrete are elaborated in detail. The reasons of plugging in pumping process are analyzed, at the same time the exclusive measures and matters needing attention are proposed.