关键词: 关键词：底板岩巷, 应力扰动, 侧向支承压力, 巷道维护

Abstract: Based on the effects of 123-upper-05 workface on 123-down-03 roadway, by using the FLAC numerical simulation and the field stress detector as a mutual authentication method, studied the influence of upper coal seam excavation on down rock roadway. Numerical simulation shows that the 123-upper-05 workface excavation has stress perturbation on down rock seam. The stress perturbation formed increasing-stress region and decreasing-stress region. Vertical and horizontal stress diminishing as the accelerating distance from coal seam on the coal side, but increasing on the gob side. The stress detector shows that the increasing-stress region of rock roadway is 0～20 m and the decreasing-stress region is 0～20 m. The results of numerical simulation are in accordance with stress detector, which offer reference for roadway maintenance on similar geological conditions.

Key words: Keywords rock roadway, stress perturbation, abutment pressure, roadway maintenance