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本刊讯2014年1月底,山东丰源远航煤业有限公司北徐楼煤矿技术工人结合实际研究发明了深煤层开采冲击地压防治新技术——立体框架式防冲新技术,并成功实施。该矿立体框架式防冲技术的工作原理是:在工作面运输顺槽与轨道顺槽横向支柱间距离顶板0.3米和人行道两侧纵向支柱间距离底板0.5米处,分别与1根2寸无缝钢管,
The end of January 2014, Shandong Fengyuan voyage Coal Industry Co., Ltd. North Xuelou coal miners combined with practical research found that the new technology in the deep seam mining rock burst prevention and control - three-dimensional frame-type anti-punching new technology, and the successful implementation. The mine’s three-dimensional frame-type anti-collision technology works are: transportation in the faceway and the track along the slot transverse strut distance 0.3 meters from the top of the roof and sidewalk between the longitudinal struts on both sides of the floor 0.5 meters, respectively, with a 2-inch Pipe,