中文摘要：

应用理论分析、计算机模拟和现场实测,分析了采动底板应力传播规律及其对底板巷道稳定性影响规律。研究表明：煤壁前方应力增高区附近底板压应力分布呈现＂球根＂状,随着埋深的增加,垂直应力先增加后减小,剪应力浅部采场边界高度集中,是引起层状底板剪切滑移的根本原因。张集矿1113（1）工作面回采过程,活化了已回采稳定的两工作面层间似连续-非连续-散体结构,导致非连续结构的剪切滑移失稳,和散体冲破相互咬合摩擦力的移动,引起了1113（1）工作面轨道巷广距离失稳。相邻采区开采顺序由上下煤层间隔同采调整为上下煤层顺序开采后,巷道表面位移显著降低,技术经济效益显著。研究成果可为煤层群开采采区设计、底板巷道稳定性控制提供理论基础。

英文摘要：

The stress propagation law and and the influence to mining roadway stability were analyzed by usmg me integrated research methods of numerical simulation, field measurement and theoretical analysis. It showed that the pressure stress presented the bulb shape in stress-concentrated area in front of the coal wall. Pressure stress first in- creased then decreased, and shear stress highly concentrated in superficial part of stope boundary, which was the key of shear slip of layered slab. The recovery of 1113 （ 1 ） working face in Zhangji coal mine activated the stable rock formations between the two working face, which caused the instability of the shear slip of the discontinuous structure, granular movement counteracting force of friction, and was an important factor of 1113 （1） working face track roadway instability. After adjusting the mining sequence of adjacent mining area from the up seam mining and the low seam interval mining to top to bottom mining, the surface displacement of roadway reduced significantly, and obvious technical and economic benefit was obtained. The research results can provide theoretical basis for coal seam group mining area design and floor tunnel stability control.