摘要
本文根据鹤壁四矿-250水平运输石门的矿压观测资料,运用岩石力学理论和数理统计的方法,研究了采动对下部(底板)岩巷变形影响的规律;巷道顶板距回采工作面底板的最优垂距;开采影响的极限深度;停采线的合理位置;岩体构造及力学性质对巷道变形的影响;以及回采工作面在回采过程中,临时停采对巷道变形的影响等。文章给出了数据或者公式,可供类似条件下的地面工程借鉴参考。
Based on measured underground pressure in a haulage cross- cut at -250 lovel in No. 4 colliery ofHebi Coal Mining Administration, applying the theory of rock mechanics and the method of statistiesthe following aspects have been studied in this paper:the regularity of the effect of mining on defor-mation of rock roadways in floor strata; the optimal perpendicular distance from roadway to floor ofthe working face; the limit influence depth of mining;the proper location of stop- working line of theface; the effect of rock mass structure and its mechanical properties on deformation of roadways, andthe influence of suspension of work in the face on deformation of the roadway; and so on. The dataand equations described in this paper may serve as references to underground engineerings under sim -lar conditions.
出处
《土木工程学报》
EI
CSCD
北大核心
1989年第1期85-96,共12页
China Civil Engineering Journal
