煤矿井下地质构造及地应力的关系_王胜本.pdf

33 7 V o.l 33 N o. 7 200 8 7 JOURNA L OF CH INA COA L SOC IETY Ju ly 2008 : 0253- 9993( 2008 07 - 0738- 05 1 2 王胜本 , 张 晓 ( 1 , 300072; 2, 1000 13 : 在分析总结地质构造与地应力方向关系的基础上, 采用有限差分数值模拟软件 FLAC3D, 立了分析褶曲断层等常见地质构造的数值模型. 分析了地质构造附近岩层位移应力场分布 特征与变化规律, 以及岩层破坏状况, 模拟结果与理论分析相一致. : 地质构造; 地应力; 数值模拟; 应力场 : P618102 : A Relation betw een geological structures and in-situ stresses in underground coal m ines 1 2 WAN G Sheng-ben , ZHANG X iao ( 1Department of M anagemen,t Tianj in University, Tianj in 300072, China; 2CoalM ining andD esigning B ranch, China CoalR esearch Institute, B ei j ing 1000 13, China) Abs tract: Based on the analysis to the relations betw een geo log ical structures and the in-situ stresses, the num er-i ca l m odels w as set up for analysis on the no rm al geolog ical structures, such as fo lds and fau lt using fin ite d ifference 3D num errica l smi u lation softw are FLA C . T he strata disp lacem ent, stress fields d istribution and var iat ion law, the strata dam age states in the v icin ity o f the geo log ical structures w ere analysed. T he num errical smi u lation results are consistensied w ith those of theory analysis. K ey w ord s: geolog ical structure; in-situ stress; num erical smi ulation; stress f ie lds