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[1]路雄,吕坤,武智东,等.软岩顶板回采巷道过断层“注-支”联合防控技术研究[J].中国安全生产科学技术,2026,22(5):57-66.[doi:10.11731/j.issn.1673-193x.2026.05.007]
　Lu Xiong,Lyu Kun,Wu Zhidong,et al.Research on joint prevention and control technology of “grouting-supporting” through fault in soft rock roof mining roadway[J].Journal of Safety Science and Technology,2026,22(5):57-66.[doi:10.11731/j.issn.1673-193x.2026.05.007]
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软岩顶板回采巷道过断层“注-支”联合防控技术研究

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
22
期数:
2026年5期
页码:
57-66
栏目:
安全工程技术
出版日期:
2026-05-30

文章信息/Info

Title:
Research on joint prevention and control technology of “grouting-supporting” through fault in soft rock roof mining roadway
文章编号:
1673-193X(2026)-05-0057-10
作者:
路雄; 吕坤; 武智东; 赵斌; 何吉清
（1.国电建投内蒙古能源有限公司，内蒙古 鄂尔多斯 017000；
2.煤炭科学技术研究院有限公司，北京 100013）
Author(s):
Lu Xiong;  Lyu Kun;  Wu Zhidong;  Zhao Bin;  He Jiqing
(1.State Power Construction Investment Inner Mongolia Energy Co.,Ltd.,Ordos Inner Mongolia 017000,China;
2.China Coal Research Institute,Beijing 100013,China)
关键词:
软岩顶板; 断层带; 断层注浆; 联合支护; 围岩稳定性控制
Keywords:
soft rock roof;  fault zone;  fault grouting;  combined support;  stability control of surrounding rock
分类号:
X936；TD82
DOI:
10.11731/j.issn.1673-193x.2026.05.007
文献标志码:
A
摘要:
为解决软岩顶板回采巷道过断层时围岩失稳与支护失效的问题，采用钻孔窥视、围岩弹塑性分区理论和FLAC3D数值模拟相结合的方法，研究软岩顶板回采巷道过断层“注-支”联合防控技术。研究结果表明：观测点顶板裂隙最大发育深度约为5.5 m；理论计算得到围岩流动层、软化层和硬化层厚度分别为2.80，2.13，1.01 m，并据此确定锚索长度为6.4 m；巷道过断层掘进过程中顶板与底鼓最大垂直位移在4 cm以内，断层区垂直应力最终形成“两帮高、顶底低”的稳定状态；锚杆索自由段位移不超过6 mm，锚固段位移小于3 mm，钢架棚两脚连接处最大应力为13.4 MPa。所提出的“注-支”联合支护可有效控制围岩变形与应力突变。研究结果可为砂质泥岩等软岩巷道过断层工程提供参考。
Abstract:
In order to solve the problem of surrounding rock instability and support failure when the soft rock roof mining roadway passes through the fault,a combination of borehole peeping,surrounding rock elastic-plastic zoning theory and FLAC3D numerical simulation was used to study the joint prevention and control technology of “grouting-supporting” when the soft rock roof mining roadway passes through the fault.The results show that the maximum development depth of roof fissures at the observation point is about 5.5 m; the thickness of the flow layer,softening layer and hardening layer of the surrounding rock is 2.80 m,2.13 m and 1.01 m respectively,and the length of the anchor cable is determined to be 6.4 m.The maximum vertical displacement of roof and floor heave is less than 4 cm in the process of roadway passing through fault,and the vertical stress in fault area finally forms a stable state of “high two sides and low top and bottom”.The displacement of the free section of the anchor cable does not exceed 6 mm,the displacement of the anchorage section is less than 3 mm,and the maximum stress at the two feet of the steel frame shed is 13.4 MPa.The proposed “grouting-supporting” combined support can effectively control the deformation and stress mutation of surrounding rock.The support system can provide reference for soft rock roadway crossing fault engineering such as sandy mudstone.

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相似文献/References:

[1]翟晓荣,吴基文,沈书豪,等.断层带边界岩体采动应力特征相似材料模拟研究[J].中国安全生产科学技术,2014,10(5):56.[doi:10.11731/j.issn.1673-193x.2014.05.009]
　ZHAI Xiaorong,WU Jiwen,SHEN Shuhao,et al.Study on similar material simulation of rock mass mining stress at fault boundary[J].Journal of Safety Science and Technology,2014,10(5):56.[doi:10.11731/j.issn.1673-193x.2014.05.009]

备注/Memo

备注/Memo:
收稿日期： 2025-12-16；修回日期：2025-03-27
作者简介： 路雄，工程师，主要研究方向为冲击地压防治及围岩稳定性控制。
通信作者： 武智东，本科，助理工程师，主要研究方向为冲击地压防治。
更新日期/Last Update: 2026-06-03