重复采动浅析

On Repeated Coal - mining

介绍了重复采动对地面建筑物的危害,并介绍了重复采动的几种情况,提出了在垂深较小时,多煤层重复开采应加以经济对比,达到合理回收煤炭资源的目的。

The author introduces the harm that repeated coal - mining does to the buildings and some Circumstances under which repeated coal - mining oclurs, meanwhile, the author puts forward that repeated coal - mining among coal beds should be of benefit and compared to reclaim coal resources properly