It is mainly applied to blasting operation of general mining, tunneling, road-building, bridge-construction and building water conservancy projects.
主要用于一般采矿、开凿隧道、筑路修桥、兴建水利等爆破作业。
The technical requirements adopted for open long-hole blasting and its insurance countermeasures were put forward by summarizing the blasting operation during exploiting the Tunqiu Mine of Liugang.
通过对柳钢屯秋矿开采中的爆破工作进行总结研究,提出采用露天开采深孔爆破的技术条件与安全保障措施。
The excavation of earthwork should be from top to bottom, and should not dig randomly and excessively. Forbid the use of blasting operation and hollow out earth.
②土方开挖均应自上而下进行,不得乱挖超挖,严禁用爆破法施工和掏洞取土。