俄霍布拉克煤矿地应力方向对巷道围岩稳定性影响研究

王延朝; 王宏志; 周士航; 付澔天; 管玉; 程佩昌; 刘志强

doi:10.13568/j.cnki.651094.651316.2025.04.13.0001

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俄霍布拉克煤矿地应力方向对巷道围岩稳定性影响研究

更新时间：2026-01-21

- 俄霍布拉克煤矿地应力方向对巷道围岩稳定性影响研究
- Journal of Xinjiang University (Natural Science Edition in Chinese and English) Vol. 42, Issue 6, Pages: 665-674(2025)
- 作者机构：
  
  1. 新疆大学地质与矿业工程学院
  2. 新疆矿产资源绿色开发与生态修复省部共建协同创新中心
- 作者简介：
- 基金信息：
- DOI：10.13568/j.cnki.651094.651316.2025.04.13.0001
  CLC： TD322.4
- Published：2025
- 稿件说明：
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[1]王延朝,王宏志,周士航,等.俄霍布拉克煤矿地应力方向对巷道围岩稳定性影响研究[J].新疆大学学报(自然科学版中英文),2025,42(06):665-674.
[1]王延朝,王宏志,周士航,等.俄霍布拉克煤矿地应力方向对巷道围岩稳定性影响研究[J].新疆大学学报(自然科学版中英文),2025,42(06):665-674. DOI： 10.13568/j.cnki.651094.651316.2025.04.13.0001.

DOI：10.13568/j.cnki.651094.651316.2025.04.13.0001.

摘要

为优化矿井开拓布局、提高巷道围岩稳定性，以俄霍布拉克煤矿为例，开展地应力方向影响巷道围岩稳定性研究．首先，根据研究区条件构建了FLAC3D数值模型，定义了主应力方向，选择主应力方向与巷道夹角为0˚、15˚、30˚、45˚、60˚、75˚、90˚共7种情况进行模拟．其次，确定了不同夹角塑性区最大破坏深度等为模拟对象，发现随着夹角增大，两帮的塑性区呈马蹄形，顶板呈扇形，底板呈三角形；夹角介于0˚∼45˚时以剪切破坏为主，夹角介于60˚∼90˚时两帮表层的破坏区域呈现张拉和剪切复合性破坏，其他部位仍以剪切破坏为主．最后，通过现场布点进行应力监测，发现随着夹角增加，围岩承载能力和抗剪性能增强，围岩破坏深度与主应力差峰值的排序趋势保持一致．结果表明：主应力方向与巷道夹角大小对巷道围岩稳定性起着控制作用，合理选择巷道走向可有效减小应力集中，提升围岩稳定性．

Abstract

In order to optimize the mine layout and improve the stability of the roadway surrounding rock

the infiuence of the geostress direction on the stability of the roadway surrounding rock is studied with the Ehuobulake coal mine as an example. Firstly

a FLAC3Dnumerical model is according to the conditions of the study area

the principal stress direction is defined

and the principal stress direction and the roadway angle are determined to be 0˚

15˚

30˚

45˚

60˚

75˚

90˚ in all 7 cases for simulation. Secondly

the maximum damage depth of plastic areas with different angles is determined as simulation objects. It is found that the range of plastic regions increases with the angle

and the plastic regions of the two walls are horseshoe-shaped

the top plate is fan-shaped

and the bottom plate is triangular. When the angle is between 0˚ and 45˚

the shear failure is the main failure mode

and when the angle is between 60˚ and 90˚

the damage area on the surface of the two walls shows tensile and shear composite failure

and other parts are still dominated by shear failure. Finally

the stress monitoring carried out on site

and the analysis results of the monitoring data show that

with the increase of the angle

the bearing capacity and shear resistance of the surrounding rock are enhanced

and order trend of the surrounding rock damage depth and the peak value of the principal stress difference is consistent. The results of the study show that

the direction of the principal stress and size of the roadway angle play a controlling role in the stability of the roadway surrounding rock

and the reasonable selection of the roadway strike can effectively reduce the stress concentration and improve the stability of the surrounding rock.

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references

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