采场采动影响,指的是回采引起的围岩(指顶板直至地表、底板及所采煤层本身三个方面)变化现象及其造成的种种损害的总称。从狭义上讲,采动影响主要指岩层(岩体)和地表的应力变化,岩层(岩体)和地表的开裂冒落性破坏,岩层(岩体)和地表的整体性移动。从广义上讲,除上述内容外,还包括回采对煤层、水体、建筑物、铁路、井巷及其支护等造成的非破坏性影晌和破坏性影响。 Mining mining influence, refers to the mining caused by the surrounding rock (referring to the roof until the surface, the floor and the coal seam itself three changes) and the resulting damage caused by the general term. In a narrow sense, the influence of mining mainly refers to the stress changes of the rock mass (rock mass) and the ground surface, the cracking and rupture of the rock mass (the rock mass) and the surface, the integrity of the rock mass and the surface. In a broad sense, in addition to the above, non-destructive and destructive impacts on coal seams, water bodies, buildings, railways, shafts and their supports, etc., are also included in the recovery.