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Study on the Damage Characteristics and Applied Control of Residual Rock Fracture Affected by Water Trickling after Mining

机译:采矿后滴水对残余岩体破坏特征及应用控制的研究

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In this paper, the detection and control technology of the residual rock fracture caused by mining is studied. The fractures development characteristics of the residual overlying rock mass influenced by strong water trickling roof were detected by using the borehole peep instrument. Furthermore, the damage condition of rock mass and fracture development law are analyzed. Then the residual rock fractures influenced by strong water trickling roadway are divided into three zones, and the lower fracture zone is relatively notable with broken rock. Therefore, the combination of anchor bolt and cable supporting scheme is proposed, and further investigation is carried out to determine the effective control of residual rock fracture development. The research is based on the field detection and data analysis, obtaining the development characteristics of residual rock fractured , and the effects of control plan are verified. It will provide a theoretical basis for the support of the water trickling roadway, and play a certain role in promoting environmental protection.
机译:本文研究了采矿引起的残余岩石裂缝的检测与控制技术。用钻孔窥视仪检测了受强水滴落顶影响的剩余覆岩裂隙发育特征。此外,分析了岩体的破坏条件和裂缝发展规律。然后将受强水滴落巷道影响的残余岩石裂缝分为三个区域,下部裂缝区域以破碎的岩石相对明显。因此,提出了锚杆与锚索支护方案相结合的方法,并进行了进一步的研究,以确定残余岩缝发育的有效控制方法。该研究是在现场检测和数据分析的基础上,获得残余压裂裂缝的发育特征,并验证了控制方案的效果。它将为滴水巷道的支持提供理论依据,对促进环境保护具有一定的作用。

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