观音岩水电站龙洞砂石系统运输巷道爆破开挖对310省道的安全影响分析

Analysis on the Safety Impact of Blasting Excavation of Longdong Sand and Gravel System Haulage Roadway for Guanyinyan Hydropower Station on No. 310 Provincial Roadway

针对观音岩水电站龙洞砂石系统运输巷道爆破,310省道车辆正常运行的要求,通过对爆破点与周边环境分析,以控制爆源因素为基础,优化设计炮孔布置方案及爆破工艺,进行了龙洞砂石系统运输巷道爆破开挖对310省道的安全影响分析,设置安全禁戒线,爆破实践后,310国道安全运行。

The blasting of Longdong sand and gravel system haulage roadway of Guanyinyan hydropower station is required to meet the usual traffic demand of No.310 Provincial Roadway.This paper optimizes the hole layout and blasting technology on the basis of analyzing blasting source factors such as explosion site and the surrounding environments,moreover,it analyzes the safety impact of blasting excavation of Longdong sand and gravel system haulage roadway on No.310 Provincial Roadway.After the blasting,No.310 Provincial Roadway continues to operate safely.