道路拓宽工程爆破施工实践

Construction Technology of Blasting in the Highway Broadening

在泰安市东岳大街西段改扩建工程公路边坡开挖过程中,根据该路段的边坡开挖的设计要求和边坡开挖爆破的复杂条件,设计采用台阶松动预裂爆破方法,通过选择合适的爆破参数和装药结构,取得了良好的爆破效果,为今后类似爆破工程提供了实践经验。

In the Dongyue highway broadening engineering, according to the design requirement and complicated blasting conditions of slope excavation, the MS blasting technology combined with pre-splitting technique method is adopted in the paper. Based on the selection of the suitable blasting parameters and the loaded constitution, the reasonable firing method and detonation sequence of the slope excavation are put forward. The explosive effectiveness is satisfactory. The experience provides the reference for the similar blasting engineering.