The rules of the solution mining subsidence are got. The evolution rules and equation of damage in overburden are got.
获得了岩盐水溶开采沉陷的一般规律，得到了岩层宏观损伤演化规律及方程。
2
According to the results of test and theoretical analysis, a relatively satisfied solution is put forward to the characteristic and mechanism of soil mass subsidence.