摘要
浅析在复杂环境中桩孔控制爆破的实施方法,介绍了爆破设计参数的计算和确定、直孔掏槽方式以及毫秒延时起爆时间的选定。着重强调施工的安全措施,选择合理的最大振动速度,确定最大段药量控制爆破震动的危害,并且采用严格的防范措施控制飞石、冲击波、噪音以及毒气的危害。
The paper analyzed the implementation method of demolition of pile-wells by controlled blasting in very complicated surroundings, together with the introduction of calculation and confirmation of blasting designing parameters and selection of the measures of parallel cutting and the micro-interval delaying time. Emphasizing was given on the safety precautions of construction by choosing suitable limited vibration velocity and determining the upmost explosive quantity to control harms from blasting vibration. Strictly controlling measures were taken in minimizing the jeopardy from fly rock, shock wave, noises and toxic gas.
出处
《工程爆破》
2006年第3期44-46,共3页
Engineering Blasting
关键词
桩孔爆破
爆破震动
爆破参数
Pile-well blasting
Blasting vibration
Blasting parameter
