浅析隧洞内溢流堰混凝土施工技术

Concrete Construction Method for Overflow Weir in Tunnel

溢流堰混凝土具有表面形状不规则、结构较复杂、平整度要求较高的特点。如何控制溢流堰混凝土施工质量这一施工难点和重点值得探讨分析。阐述了厄瓜多尔索普拉多拉水电站工程中段排放隧洞溢流堰混凝土浇筑施工技术,可供类似工程参考和借鉴。

Overflow weir concrete placement is characterized with irregular surface shape,complicated structure and high requirements for planeness. How to control construction quality for overflow weir concrete placement is very important and also difficult. It is worth discussing and analyzing. The author presents concrete placement method for overflow weir in middle drainage tunnel at Sopladora hydropower station in Ecuador and provides references and experiences to the similar projects.