小湾水电站导流中孔止水槽环氧材料回填施工技术

Backfill Construction Technology of Guide Hole Stanching Pit of Xiaowan Hydropower Station with Epoxy Materials

介绍了小湾水电站大坝导流中孔止水检查槽采用环氧砂浆或环氧混凝土进行回填处理,以增强结构物抗渗和补强性能的施工技术,重点阐述了处理方案的设计制定,环氧砂浆和环氧混凝土填筑模拟现场施工的试验及结果,以及止水槽底板、侧墙、顶板等不同部位的施工方法和技术要求。

This article introduces the backfill of the stanching pit with epoxy mortar or epoxy concrete in guide hole of Xiaowan hydroelectric power station so as to improve the impervious performance and strength of the structure. It focuses on the design of the treatment, simulation test of the site operation of epoxy mortar and epoxy concrete as well as its results, and construction process and requirements of different parts, such as the baseboard, side walls, and top plates.