深部软岩巷道锚注控制理论、技术发展及应用

康红普; 杨建威; 姜鹏飞; 高富强; 李文洲; 李嘉峰; 陈惠元

doi:10.1007/s12613-024-2906-8

Volume 31 Issue 7

Jul. 2024

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文章导航 > 矿物冶金与材料学报（英文） > 2024 > 31(7): 1463-1479

Hongpu Kang, Jianwei Yang, Pengfei Jiang, Fuqiang Gao, Wenzhou Li, Jiafeng Li, and Huiyuan Chen, Theory, technology and application of grouted bolting in soft rock roadways of deep coal mines, Int. J. Miner. Metall. Mater., 31(2024), No. 7, pp. 1463-1479. https://doi.org/10.1007/s12613-024-2906-8

Cite this article as:

Hongpu Kang, Jianwei Yang, Pengfei Jiang, Fuqiang Gao, Wenzhou Li, Jiafeng Li, and Huiyuan Chen, Theory, technology and application of grouted bolting in soft rock roadways of deep coal mines, Int. J. Miner. Metall. Mater., 31(2024), No. 7, pp. 1463-1479. https://doi.org/10.1007/s12613-024-2906-8

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特约综述

深部软岩巷道锚注控制理论、技术发展及应用

1)
中煤科工开采研究院有限公司, 北京 100013, 中国
2)
煤炭科学研究总院开采研究分院, 北京 100013, 中国
3)
煤炭智能开采与岩层控制全国重点实验室, 北京 100013, 中国

通讯作者:
康红普 E-mail: hongpukang@gmail.com

文章亮点

(1) 介绍了深部软岩巷道锚注理论、设计方法、材料、施工工艺、监测仪器及检测方法。

(2) 介绍了高压锚注协同控制技术在口孜东矿千米深井松软煤帮、软岩岩巷的应用情况。

(3) 析了深部软岩巷道锚注控制技术存在的问题，展望了未来锚注控制技术的发展趋势。

中文摘要

锚注将锚固与注浆技术有机结合，是深部软岩、破碎巷道围岩控制有效的解决手段，已在多个深部矿区软岩巷道广泛应用，取得了显著的控制效果。本文系统介绍了锚注理论、设计方法、材料、施工工艺、参数监测仪器及效果检测方法的发展历程，包括锚固理论、注浆加固理论及高预应力-高压劈裂锚注协同主动控制新原理；动态信息设计新方法；常规注浆锚杆锚索及高预应力、高强度、高封孔压力新型注浆锚杆锚索；常规无机、有机注浆材料与新型无机有机复合材料优缺点及适用条件；多种注浆锚杆锚索支护与注浆加固效果评价方法与仪器；锚注时机、锚注次序、注浆压力、注浆量与注浆锚杆锚索布置的确定依据。介绍了预应力高压劈裂锚注协同控制技术在我国典型千米深井软岩矿井——新集矿区口孜东矿松软煤帮、软岩岩巷的应用情况。最后，分析了深部软岩巷道锚注控制技术存在的问题，展望了未来锚注控制技术的发展趋势。

关键词:

Invited Review

Theory, technology and application of grouted bolting in soft rock roadways of deep coal mines

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Abstract

Abstract

The grouted bolt, combining rock bolting with grouting techniques, provides an effective solution for controlling the surrounding rock in deep soft rock and fractured roadways. It has been extensively applied in numerous deep mining areas characterized by soft rock roadways, where it has demonstrated remarkable control results. This article systematically explores the evolution of grouted bolting, covering its theoretical foundations, design methods, materials, construction processes, monitoring measures, and methods for assessing its effectiveness. The overview encompassed several key elements, delving into anchoring theory and grouting reinforcement theory. The new principle of high pretensioned high-pressure splitting grouted bolting collaborative active control is introduced. A fresh method for dynamic information design is also highlighted. The discussion touches on both conventional grouting rock bolts and cable bolts, as well as innovative grouted rock bolts and cables characterized by their high pretension, strength, and sealing hole pressure. An examination of the merits and demerits of standard inorganic and organic grouting materials versus the new inorganic–organic composite materials, including their specific application conditions, was conducted. Additionally, the article presents various methods and instruments to assess the support effect of grouting rock bolts, cable bolts, and grouting reinforcement. Furthermore, it provides a foundation for understanding the factors influencing decisions on grouted bolting timing, the sequence of grouting, the pressure applied, the volume of grout used, and the strategic arrangement of grouted rock bolts and cable bolts. The application of the high pretensioned high-pressure splitting grouted bolting collaborative control technology in a typical kilometer-deep soft rock mine in China—the soft coal seam and soft rock roadway in the Kouzidong coal mine, Huainan coal mining area, was introduced. Finally, the existing problems in grouted bolting control technology for deep soft rock roadways are analyzed, and the future development trend of grouted bolting control technology is anticipated.
- deep coal mine;
- soft rock roadway;
- grouted bolting;
- rock bolt and cable;
- grouting material;
- high-pressure splitting grouting;
- collaborative control technology

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References

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