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作 者:申金超
机构地区:[1]中国矿业大学(北京)资源与安全工程学院,北京100083
出 处:《矿业工程研究》2017年第4期27-32,共6页Mineral Engineering Research
基 金:高等学校博士学科点专项科研基金资助项目(20120023110023);中央高校基本科研业务费专项资金资助项目(2014QZ03)
摘 要:针对红阳三矿1212工作面回风顺槽大埋深下两帮移近量大、顶板局部破坏严重等问题,基于理论分析、现场测量和数值模拟,提出对1212工作面回风顺槽和顶板进行锚杆、锚索联合支护设计.通过现场试验和模拟对比,发现在综采工作面顺槽和顶板锚杆、锚索联合支护能够起到减少顺槽的两帮变形和有效减小顶板严重破损的效果,并且能够为矿井安全生产提供可靠保障.Aiming at the problems such as the large change of distance of the two groups and great distraction of roof in the return airway of 1212 working face of Hongyang Third Mining,the design mode of the bolts and anchor bolts in 1212 working face is proposed based on theoretical analysis,field measurement and numerical simulation. Through field test and simulation comparison,this paper finds that the combination of bolts and anchor bolts support can play a two-step deformation to reduce the change of distance of two groups and reduce the damage of roof effectively in the return airway,and it can provide reliable protection for mine safety production
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