电站厂房岩壁吊车梁开挖质量控制技术  

Excavation Quality Control Technology for Crane Beams on Rock Wall of Powerhouse

作　　者：刘蕊[1] 余健[1] 白威 LIU Rui;YU Jian;BAI Wei(Powerchina Beijing Engineering Co., Ltd., Beijing 100024, China;Hohhot Pumped Storage Power Generation Co., Ltd., Hohhot 010051, China)

机构地区：[1]中国电建集团北京勘测设计研究院有限公司,北京100024 [2]内蒙古呼和浩特抽水蓄能发电有限责任公司,内蒙古呼和浩特010051

出　　处：《水电与新能源》2022年第2期4-8,共5页Hydropower and New Energy

摘　　要：清原抽水蓄能电站岩壁吊车梁施工过程中,依据地质条件变化和爆破效果及时对爆破设计参数动态调整优化,通过测量放样、钻孔工艺、装药结构、爆破网络等质量工艺控制措施,确保了岩壁吊车梁整体施工质量达到预期效果,表明各施工方法与工艺参数的选择是科学合理的,为国内大跨度地下厂房岩壁吊车梁开挖施工提供了技术经验。In the construction of crane beams on powerhouse rock wall in Qingyuan Pumped Storage Power Station,the blasting design parameters were dynamically adjusted and optimized in time according to geological conditions and blasting performance.Then,quality control measures were adopted in the measurement lofting,rock drilling,charging structure,and blasting network,which ensured the overall construction quality of the crane beams met the prescribed requirements.It shows that the selected construction methods and technical parameters are scientific and reasonable.The results could be useful experience for the excavation and construction of long-span rock wall crane beams in underground powerhouse in China.

关 键 词：抽水蓄能电站 岩壁吊车梁 质量控制 施工技术 

分 类 号：TV743[水利工程—水利水电工程]