It is indispensability of overburden failurelaw 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。
2
With a strong universality and facility, the software has the properties to count failure, calculate reliability indicator and life indicator, and seek for failurelaw.
First, based on similar material model test, top coal cave-in characters in steep and thick seam were studied as well as failurelaw of main roof and features of surface subsiding.