CAJ | 학술논문

综放工作面处于复杂构造应力区，为确定该区域地应力状况，采用空心包体应力解除法进行现场地应力实测，确定该区域为构造应力为主的高应力区。以地应力实测结果为依据，采用实测主应力大小和方向对数值计算模型进行初始地应力的加载，有效减小了由于不考虑构造应力导致模拟结果的误差；结合沿空巷道在掘进及回采过程的受力及变形演化机理，设计出沿空掘巷非对称支护方案，非对称支护中设计使用肩部锚索专用紧固构件，减小了锚索被剪断的几率，有效提高了锚索承载质量。工业性试验与矿压观测结果表明：在以构造应力为主的复杂应力区采用不对称支护技术，沿空掘巷支护效果良好，技术经济效益与社会效益显著。
종방공작면처우복잡구조응력구，위학정해구역지응력상황，채용공심포체응력해제법진행현장지응력실측，학정해구역위구조응력위주적고응력구。이지응력실측결과위의거，채용실측주응력대소화방향대수치계산모형진행초시지응력적가재，유효감소료유우불고필구조응력도치모의결과적오차；결합연공항도재굴진급회채과정적수력급변형연화궤리，설계출연공굴항비대칭지호방안，비대칭지호중설계사용견부묘색전용긴고구건，감소료묘색피전단적궤솔，유효제고료묘색승재질량。공업성시험여광압관측결과표명：재이구조응력위주적복잡응력구채용불대칭지호기술，연공굴항지호효과량호，기술경제효익여사회효익현저。
When the working face is in the complex tectonic stress area,in order to determine the area ground stress condition,the method of stress relief is used to determine the region of high stress mainly constituted by tectonic stress. Based on the in-situ stress test results,the stress intensity and direction are used to load the initial ground stress in the numerical calculation model, which effectively reduces the error of the simulation results without considering the tectonic stress.Combined with evolution me-chanism of deformation and stress along the empty roadway, asymmetric supporting parameters has been designed.Using special anchor fastening shoulder artifacts effectively can reduce the chances of fracture anchor cables and improve the quality of the anchor cable bearing quality.The results of the industrial test and the rock pressure indicates that the asymmetric support scheme supporting effect is good in the complex tectonic stress mining area and has a remarkable economic and social benefit.