云南龙江水电站拱坝坝基开挖施工质量控制  

Arch Dam Foundation Excavation Construction Quality Control of Yunnan Longjiang Hydropower Station

作　　者：杨剑波 

机构地区：[1]云南省水利水电建设管理站,云南昆明650224

出　　处：《云南水电技术》2011年第2期59-61,共3页

摘　　要：本文介绍云南龙江水电站110m高混凝土双曲拱坝坝基开挖的施工方法。施工中主要从控制坝基预裂孔的孔距、孔深和线装药密度等几个方面进行研究，在现场实施中，取得了较好的开挖效果，确保了坝基开挖质量。The construction method of 110m concrete dome arm foundation excavation is introduced in this paper. During the construction, the research on the control of pre-splitting hole pitch, depth and linear charge density of the dam foundation is carried out, and during the on-site implementation, a good excavation result is obtained, thereby guaranteeing the dam foundation excavation quality.

关 键 词：龙江水电站 双曲拱坝 坝基开挖 质量控制 

分 类 号：TV523[水利工程—水利水电工程]