failure law
英 美
It is indispensability of overburden failure law for mining under buildings, water bodies and railways, especially mining under water bodies.
覆岩破坏规律探测是“三下”采煤,尤其是水体下采煤不可缺少的部分。
With a strong universality and facility, the software has the properties to count failure, calculate reliability indicator and life indicator, and seek for failure law.
软件具有通用性强、使用方便等特点,不仅能完成故障统计,进行可靠性指标和寿命指标的计算,而且能系统分析整车的故障规律。
First, based on similar material model test, top coal cave-in characters in steep and thick seam were studied as well as failure law of main roof and features of surface subsiding.
首先利用相似模拟实验研究了急斜特厚煤层顶煤的冒落特征、顶板的破坏规律,以及地表下沉的特点。
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