煤矿巷道柱式支护形式及新型泵充支柱研究应用

doi:10.13722/j.cnki.jrme.2024.0131

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摘要柱式支护是煤矿巷道的一种重要支护形式，随着我国煤矿向高产高效迈进和向深部复杂困难条件延伸，柱式支护有望成为解决巷道围岩控制的新途径。详细阐述国内外煤矿支柱的发展历程，论述支柱材料、设备、工艺、理念的发展变革，实现支护阻力由120 kN低阻向14 000 kN高阻跨越发展，突出新型泵充支柱的重要性和优越性。理论上解释新型泵充支柱的设计原理，开发具有临时可截割和永久高阻特性的2种支柱，实验室进行1∶1等比例支柱的强度测试，得到了新型泵充支柱承载规律。构建基于新型泵充支柱的围岩协同控制机制，配套高效搅拌和连续泵送一体化设备，研发“站得牢、立得稳、接得实”的泵充吊挂工艺，形成泵充支护高可靠、主动支护技术。列举新型泵充支柱在沿空留巷、空巷、小煤柱动压巷道、深部软岩巷道等多种应用场景，成功解决煤柱回收、快速回撤、动压治理、软岩变形等问题。指出下一步研究方向为新型泵充材料、智能化矿用施工设备，并向冲击地压和深部软岩巷道推广。

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	刘跃东1
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关键词 ：采矿工程, 柱式支护, 泵充支柱, 主动承载, 智能泵送, 支护协同

Abstract：Pillar support is an important form of support for coal mine roadways. As China?s coal mines move towards high productivity and efficiency and extend to deep and complex conditions，pillar support is expected to become a new way to solve the problem of surrounding rock control in roadways. This article elaborates on the development history of pillars in domestic and foreign coal mines，discusses the development and changes in pillar materials，equipment，processes，and concepts，and achieves a leapfrog development in support resistance from low resistance of 120 kN to high resistance of 14 000 kN，highlighting the importance and advantages of new pump-filled pillars. The design principle of new pump-filled pillars is theoretically explained，and two types of pillars with temporary cutting and permanent high resistance characteristics are developed. Laboratory tests on 1∶1 scale pillars have been conducted to obtain the bearing law of new pump-filled pillars. A collaborative control mechanism for surrounding rock based on new pump-filled pillars has been constructed，and supporting equipment for efficient mixing and continuous pumping has been developed. A pump-filled hanging process that is “stable，reliable，and practical” has been developed，forming a highly reliable and active support technology for pump-filled support. It is listed that new pump-filled pillars have been applied in various scenarios such as gob-side entry retaining，empty roadways，small coal pillars dynamic pressure roadways，and deep soft rock roadways，successfully solving problems such as coal pillar recovery，rapid withdrawal，dynamic pressure management，and soft rock deformation. It is pointed out that the next research direction is new pump-filled materials and intelligent mining construction equipment，and it should be promoted to rock burst and deep soft rock roadways.

Key words： mining engineering pillar support pump filled pillar active bearing intelligent pumping support collaboration

引用本文:

刘跃东1，2，王东攀1，2. 煤矿巷道柱式支护形式及新型泵充支柱研究应用[J]. 岩石力学与工程学报, 2024, 43(10): 2466-2484.
LIU Yuedong1，2，WANG Dongpan1，2. Research and application of pillar support form and new pump-filled pillar in coal mine roadways. , 2024, 43(10): 2466-2484.

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https://rockmech.whrsm.ac.cn/CN/10.13722/j.cnki.jrme.2024.0131 或 https://rockmech.whrsm.ac.cn/CN/Y2024/V43/I10/2466

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