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弓长岭铁矿因前期大量无序的开采,形成许多无规则、复杂的采空区,给日常生产留下了安全隐患。通过三维扫描探测技术,准确掌握了采空区的分布及空间形态,并提出采空区爆破处理的方案。以163第一层空区处理为实例,从爆破参数、起爆方式、起爆网路以及施工安全等方面加以考虑,对采空区进行了处理,取得了良好的效果,为以后同类型矿山采空区的处理提供一定的参考。
Due to the large amount of disordered mining in the previous period, Gongchangling Iron Mine formed many irregular and complicated goafs, which left hidden dangers to daily production. Through the three-dimensional scanning detection technology, we can accurately grasp the distribution and space shape of the goaf, and put forward the plan of the goaf blasting. Take the treatment of the first layer of empty area 163 as an example, taking into account the blasting parameters, detonating method, detonating network and construction safety, etc., the goaf has been treated and good results have been achieved. District processing provides some reference.