朱仙庄三水平水仓巷道钻孔卸压合理参数确定  

Determination of Reasonable Parameters for Drilling and Pressure Relief in the Three Horizontal Water Storage Tunnels in Zhuxianzhuang

作　　者：王雨婷 吴德义 胡孟寒 WANG Yuting;WU Deyi;HU Menghan(College of Civil Engineering,Anhui Jianzhu University,Hefei 230601,China;National and Local Joint Engineering Laboratory of Building Health Detection and Disaster Prevention Technology,Hefei 230601,China)

机构地区：[1]安徽建筑大学土木工程学院,安徽合肥230601 [2]建筑健康检测与灾害预防技术国家地方联合工程实验室,安徽合肥230601

出　　处：《湖南工业大学学报》2025年第4期1-9,共9页Journal of Hunan University of Technology

基　　金：国家自然科学基金资助面上项目(51374009,51674005)。

摘　　要：钻孔卸压使最大主应力向深部转移并降低巷道周边一定范围围岩应力,是控制深部巷道围岩稳定的有效途径。针对淮北朱仙庄三水平水仓巷道工程实际,采用数值模拟方法分析安徽两淮矿区深部巷道不同卸压钻孔直径(50,80,100,150,200 mm)、不同卸压钻孔长度(3,6,8,10,15,18,20 m)、不同钻孔间排距布置(单排孔、间排距为1.5 m×1.5 m、1.0 m×1.0 m、0.5 m×0.5 m)时巷道围岩典型部位最大主应力和巷道围岩表面位移分布特征。得出了该巷道合理钻孔卸压参数,应用于工程实际,取得了较好的效果。As an effective way to control the stability of the surrounding rock in deep tunnels,drilling pressure relief can transfer the maximum principal stress to the deep part and reduce the surrounding rock stress in a certain range around the tunnel.On the basis of the actual situation of the three horizontal water storage tunnel project in Zhuxianzhuang,Huaibei,numerical simulation methods are adopted to for an analysis of the distribution characteristics of the maximum principal stress and surface displacement of typical parts of the tunnel surrounding rock under different pressure relief borehole diameters(50,80,100,150,200 mm),different pressure relief borehole lengths(3,6,8,10,15,18,20 m),and different borehole spacing arrangements(single row holes,spacing of 1.5 m×1.5 m,1.0 m×1.0 m,0.5 m×0.5 m)in the deep roadway of Anhui Lianghuai mining area,thus obtaining the reasonable drilling and pressure relief parameters for the tunnel,which can be applied in practical engineering,so as to achieve good results.

关 键 词：数值模拟 围岩最大主应力 围岩表面位移 钻孔卸压合理参数 

分 类 号：TD324[矿业工程—矿井建设]