老挝南俄3水电站帷幕灌浆施工技术分析  

Construction Technology Analysis of Curtain Grouting for Nam Ngum 3 Hydropower Station in Laos

作　　者：赵志勇 杨小军 ZHAO Zhi-yong;YANG Xiao-jun(POWERCHINA SINOHYDRO ENGINEERING BUREAU 10 CO.,LTD.,Chengdu 610037,China)

机构地区：[1]中国水利水电第十工程局有限公司,四川成都610037

出　　处：《云南水力发电》2023年第3期170-174,共5页Yunnan Water Power

摘　　要：老挝南俄3水电站坝区帷幕灌浆主要分为大坝趾板、左右岸平硐、大坝趾板至右岸平硐延伸段、左岸溢洪道廊道以及门库帷幕灌浆等,依托前期生产性帷幕灌浆试验总结出的灌浆参数等成果以指导后期帷幕灌浆高效施工。结合后续帷幕灌浆成果及质量检查结果综合分析,老挝南俄3水电站帷幕灌浆施工质量达到设计规范防渗要求。Curtain grouting in dam area of Nam Ngum 3 Hydropower Station in Laos is mainly divided into dam toe plate,left and right bank adits,dam toe plate to right bank adit extension section,left bank spillway gallery and garage curtain grouting.The grouting parameters summarized from the production curtain grouting test in earlier stage guide the efficient construction of curtain grouting in later stage.Combined with the comprehensive analysis of the following curtain grouting results and quality inspection results,the construction quality of curtain grouting for Laos Nam Ngum 3 Hydropower Station has met the seepage-proof requirements of design specifications.

关 键 词：南俄3水电站 帷幕灌浆 综合灌浆法 压水试验 透水率 单位注灰量 

分 类 号：TV543.5[水利工程—水利水电工程]