CAJ | 학술논문

随着开采深度的增加,矿井巷道底臌问题愈趋严重.针对深井巷道底臌问题,利用弹塑性力学理论计算了巷道底板岩层的抗弯刚度和压曲临界载荷,得出了不同深度、不同底板厚度情况下的压曲临界载荷曲线;以滑移线场理论为基础,对深井巷道底板岩体滑动区域和滑动路径进行分析,将成果应用于实践,提出了底臌控制具体参数及施工建议.
수착개채심도적증가,광정항도저고문제유추엄중.침대심정항도저고문제,이용탄소성역학이론계산료항도저판암층적항만강도화압곡림계재하,득출료불동심도、불동저판후도정황하적압곡림계재하곡선;이활이선장이론위기출,대심정항도저판암체활동구역화활동로경진행분석,장성과응용우실천,제출료저고공제구체삼수급시공건의.
With the increase of mining depth,the problems of floor heave in the mining roadway is becoming more and more serious.Against the problem of the floor heave in the deep roadway,it calculates the bending rigidity and buckling load of the floor strata of roadway using the theory of mechanics of elastoplasticity,and arrives at the buckling load curve in case of the different depth and the different width of the floor;it analyzes the migrational and evolutionary process of the rock mass in plastic zones of the floor strata on the base of the slip line field theory,and then applying the results to practice,proposes the special parameters and the construction suggestions about the controling of floor heave.