1) bursted main roof
爆破断顶
2) advanced break-tip blast
超前断顶爆破
1.
The stress monitor indicated that the roof advanced break-tip blast destroyed the structure of roof key layer,increased the roof crevasse degree,improved the distributed characteristic of stress field caused by mining.
本文研究了断顶爆破的基本原理、爆破参数、爆破工艺流程,制定出完善的断顶爆破方案,并成功实施了超前断顶爆破。
4) roof blasting
顶板爆破
1.
Based on the geological conditions and numerical simulation, the hard rock roof blasting method and blasting parameters were proposed to prevent rock burst.
根据现场条件和数值模拟分析,提出了采用顶板爆破解除冲击矿压危险的技术措施,并确定了爆破参数。
5) suspend-top
爆破悬顶
6) caving blasting
崩顶爆破
补充资料：起顶
1.犹透顶，达到极点。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条