小直径岩石桩井的控爆开挖

Excavating of a small Diameter Basic-stake Rock by Controlled Blasting

文章根据工程实例介绍了采用控制爆破技术开挖小直径岩石桩井的钻孔设计、装药量、起爆网路、安全防护措施、组织施工以及爆破效果。并对爆破效果进行了分析和总结 ,为同类工程的实施提供了参考经验。

According to a practical example, this paper introduces that controlled blasting excavates the little diameter basic-stake rock. The design of blasting hole, quantity of charging, initiating network system, safety measures, project organization and blasting effectiveness are provided. The blasting effectiveness is analyzed. It can be referred and applied for similar projects.