复杂环境条件下的硐室爆破

为修建浙江省玉环县里墩水库 ,需开采石料。根据爆区的地形特点、环境特征等因素 ,采用了条形药包松动硐室爆破。本文介绍了在复杂环境条件下硐室爆破的设计和施工 ,概述了这次爆破的难点和具体方案 ,讨论了爆破参数的选择、药量计算和起爆顺序。同时 ,对爆破安全性进行了预估 ,并指出对条形药包的端部装药应引起足够的重视

CONTROLLED BLASTING DEMOLITION OF A THIN WALL WATER TOWER OF REINFORCED CONCRETE IN RESIDENTIAL AREA

The water tower with thin wall to be demolished was located in residential area and surrounded by lots of buildings in complicated environment. This paper,regarding the surrounding buildings,gas pipe line system and water supply-drainage pipe net,which all were adverse circumstances to the blasting,expounded the carefully designed blasting parameters,well organized construction,and the effective protection measures of blasting cuts,underground gas pipes and water supply-drainage system. The blasting reached good effects in terms of its precise collapsing direction,its safety consideration and fragment size.