1) collapse
垮冒
1.
The collapse of stope development in chengchao Iron Mine often take place on the intersection points with fault crush zone.
针对采准巷道的垮冒点多发生在与其相交的断层破碎带部位的实际情况 ,通过宏观调查和微观分析的手段 ,掌握了破碎带的空间分布规律和主要组成的矿物成分 ,提出了有效的巷道支护方案并付诸实施 ,取得了良好的加固效果 ,保证了巷道的稳
2) severe collapse
严重垮冒
1.
2 main ore pass at Chengchao Iron Mine resulting form its severe collapse, the authors have put forward the whole reinforcement scheme in which a "support funnel structure " is its main supporting pattern.
实践证明 ,该方案不仅工期短、投资少 ,而且溜井返修后稳定性良好 ,为严重垮冒主溜井结构的恢复提供了新方
3) difficulty index of caving
垮冒难度指数
补充资料：松垮垮
1.散漫;涣散。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。