小湾电站导流洞进口围堰及岩埂拆除爆破技术与经验  

Blasting Technology and Experience for Removing Inlet Cofferdam and Ridge of Diversion Tunnel in Xiaowan Hydropower Station

作　　者：邱鑫 QIU Xin(POWERCHINA SINOHYDRO ENGINEERING BUREAU 14 CO.,LTD.,Kunming 650041,China)

机构地区：[1]中国水利水电第十四工程局有限公司,云南昆明650041

出　　处：《云南水力发电》2022年第9期141-145,共5页Yunnan Water Power

摘　　要：依托小湾电站导流洞进口围堰及岩埂拆除工程的成功实施,以详实的第一手资料为基础,论述在周围建筑复杂情况下进行混凝土围堰及岩埂拆除爆破的相关技术设计,总结漏水、渗水、水压大、易塌孔、易淤沙及易淤泥等地质环境下进行控制性拆除爆破的工程实施经验。Removal of inlet cofferdam and ridge of diversion tunnel of Xiaowan Hydropower Station has been successfully implemented.Based on this,this paper discusses the relevant technical design for demolition blasting of concrete cofferdam and ridge under complex circumstance of surrounding buildings.The engineering implementation experience of controlled demolition blasting in geological environment such as water leakage,seepage,high water pressure,easy to collapse and silt is summarized.

关 键 词：拆除爆破 爆破设计 起爆网络 导流洞进口 围堰及岩埂 

分 类 号：TV551.1[水利工程—水利水电工程]