锚杆─棚支架对回采巷道围岩变形的影响【俄】工程师．Ｍ巴古金等沃尔库达矿井推广无煤柱开采时，回采巷道的维护和复用这一最重要的问题一直未能有效解决。巷道顶底板变形严重，翻修巷道和重新支护耗费了大量人力物力。近年来，提高受采动影响巷道稳定性的一个方向，是采... Impact of Roof Bolt - Shed Support on the Deformation of Surrounding Rock in Mining Roadway [Russia] Engineer. M Baoguang and other Volkuda mines to promote non-pillar mining, mining roadway maintenance and reuse of this most important issue has been unable to effectively solve. The top and bottom of the roadway deform seriously, and it takes a lot of manpower and material resources to renovate the roadway and re-support. In recent years, to improve the stability of roadway affected by mining in one direction, is mining ...