水利水电技术2012，Vol.43Issue(1)：79-83,5.
漫湾电站地下厂房岩锚梁层开挖爆破试验研究
Experimental study on blasting excavation of rock-anchor beam layer for underground powerhouse of Manwan Hydropower Station
吴胜文 1肖培伟2
作者信息
- 1. 浙江水利水电专科学校,浙江杭州 310018
- 2. 国电大渡河流域水电开发有限公司,四川成都610016
- 折叠
摘要
Abstract
Rock-anchor beam is an important structural element of the underground powerhouse of Manwan Hydropower Station. In order to guide the blasting construcition within the rock-anchor beam located area, 3 groups of experiments on blasting construction conditions are designed in combination with the central slotting excavation in the third layer of the powerhouse where the rock-anchor beam is located in on the basis of the in situ investigation, so as to avoid the impact of disturbance from the blasting excavation for the rock-anchor beam. Through the regression analysis on the data from the experiments, both the blasting seismic wave propagation law and the impact on the rock-anchor beam from the excavation blasting are obtained, and then not only the protection area for the rock-anchor beam is determined, but the vibration control standards for the rock-anchor is also established. This experimental study have provides an important technical support for the safe and fast construction of the project关键词
漫湾电站/地下厂房/岩锚梁/爆破开挖/试验研究Key words
Manwan Hydropower Station/ underground powerhouse/ rock-anchor beam/ blasting excavation/ experimental study分类
建筑与水利引用本文复制引用
吴胜文,肖培伟..漫湾电站地下厂房岩锚梁层开挖爆破试验研究[J].水利水电技术,2012,43(1):79-83,5.
