白皎矿区岩体应力场研究

Research On Rock Stress Field Around Mining Area of Bai-Jiao

本文介绍了白皎矿区岩体应力场的现场研究。采用孔径应力解除法进行了两个点六个钻孔的空间应力测量。应力测量结果表明，该矿区的应力分布具有三个区域。即顶板内有应力较大区；煤层内有应力最小区；底板区有应力最大区。矿区内岩体应力以近水平构造应力为主。最后进行了一个剖面的线弹性有限元分析研究，在两个实验数据对比的地方反演分析与实测结果基本相符。有限元反演分析勾画出了矿区岩体应力场的整体轮廓。应力场研究结果对矿区地压控制及新水平巷道布置提供了重要依据。

This paper presents the study in-situ on stress field of rock mass around mining area of Bai-jiac. By the method of aperture stress relidf.a lot of measure in-situ has been done,includingstress measurement of three dimension at two points and six deep-hole. Thid result show that theflatstructure stress is main of the original rock stress ing the area.At last the plane section linear elastic finite ment analysis has been completed.Results of in-verse calcalation allonding to the measurement results in two different points.The whole outline ofthe strsee field of mining area is delineated clearly,The research results on stress field providedimportant basis for pressare control and mew level road layout of the mining area.