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波形钢腹板支架支护技术的研究进展综述

吴丽丽 王慧 徐翔 武海鹏 赵卫平

吴丽丽, 王慧, 徐翔, 武海鹏, 赵卫平. 波形钢腹板支架支护技术的研究进展综述[J]. 矿业科学学报, 2021, 6(5): 524-535. doi: 10.19606/j.cnki.jmst.2021.05.002
引用本文: 吴丽丽, 王慧, 徐翔, 武海鹏, 赵卫平. 波形钢腹板支架支护技术的研究进展综述[J]. 矿业科学学报, 2021, 6(5): 524-535. doi: 10.19606/j.cnki.jmst.2021.05.002
Wu Lili, Wang Hui, Xu Xiang, Wu Haipeng, Zhao Weiping. Review of research on steel support with corrugated webs[J]. Journal of Mining Science and Technology, 2021, 6(5): 524-535. doi: 10.19606/j.cnki.jmst.2021.05.002
Citation: Wu Lili, Wang Hui, Xu Xiang, Wu Haipeng, Zhao Weiping. Review of research on steel support with corrugated webs[J]. Journal of Mining Science and Technology, 2021, 6(5): 524-535. doi: 10.19606/j.cnki.jmst.2021.05.002

波形钢腹板支架支护技术的研究进展综述

doi: 10.19606/j.cnki.jmst.2021.05.002
基金项目: 

国家自然科学基金 51278488

国家自然科学基金 51678564

中国矿业大学(北京)越崎杰出学者奖励计划 2602021RC59

中央高校基本科研业务费专项资金 2021YJSLJ17

详细信息
    作者简介:

    吴丽丽(1977—),女,江西南昌人,博士,教授,博士生导师,主要从事钢结构、组合结构等方面的研究工作。Tel:010-62331237, E-mail: jennywll@163.com

  • 中图分类号: TD 353

Review of research on steel support with corrugated webs

  • 摘要: 本文总结了国内外几种常用的金属支架(矿用工字钢、U型钢)和钢管混凝土支架等在截面优化设计和极限承载力等方面的研究,重点介绍了一种新型波形钢腹板支架支护技术。对比分析了波形钢腹板支架与其他支架相比在承载力和经济性方面的优势,及其在支架整体稳定承载性能、局部稳定性能、支架可缩性节点构造以及支架与围岩相互作用等方面的研究成果; 波形钢腹板支架的突出特点在于支护承载力高、自重轻,可节省大量钢材,降低井下工人劳动强度; 研发出的高强度螺栓和楔形件套筒两类可缩节点构造,解决了传统可缩支架节点连接的偏心问题,且通过可缩卸压降低了作用在支架上的围岩荷载,提高支护结构的稳定性和服务周期。波形钢腹板支架的研究可为冲击地压煤矿巷道新型支护技术提供有益参考。
  • 图  1  波形钢腹板构件示意图

    Figure  1.  Diagram of corrugated steel webs

    图  2  各种断面形式支架的模型试验

    Figure  2.  Model test of supports with various cross-section

    图  3  不同断面形式支架的试验结果与有限元分析对比

    Figure  3.  Comparison of the experimental results and the finite element analysis of the support with various cross-section forms

    图  4  支架弹性屈曲荷载与各参数的关系曲线

    Figure  4.  Relations between the elastic buckling load of support and various parameters

    图  5  支架弹塑性屈曲荷载与各参数变化的关系曲线

    Figure  5.  Relations between elastoplastic buckling load of support and various parameters

    图  6  波形钢腹板纯压支架稳定曲线与《钢结构设计标准》的对比

    Figure  6.  Comparison of stability curve between the calculated result and the curve in specification for design of steel structures

    图  7  波形钢腹板支架翼缘发生局部失稳

    Figure  7.  Local instability of flange of support with corrugated webs

    图  8  波形钢腹板支架腹板发生局部失稳

    Figure  8.  Local instability of web of support with corrugated webs

    图  9  支架弹塑性局部屈曲荷载与各参数变化的关系曲线

    Figure  9.  Relations between the local elastoplastic buckling load of support and various parameters

    图  10  两类可缩性节点试验装置图

    Figure  10.  Schematic diagram of instruments for two types of yieldable joint

    图  11  极软地层围岩波形钢腹板联合支护体系下围岩的应力分布

    Figure  11.  Stress distribution diagram of surrounding rock under the combined support system of corrugated webs in extremely soft strata

    表  1  波形钢腹板构件比矿用工字钢承载力提高程度

    Table  1.   Enhancement degree of bearing capacity of corrugated steel webs compared with mine I-beams  %

    组号 轴压承载力 抗弯承载力 平面外压弯承载力 平面内压弯承载力
    Ⅰ(9号) 17.25 59.12 72.17 88.71
    Ⅱ(11号) 10.10 87.68 169.09 106.24
    Ⅲ(12号) 20.93 77.98 92.46 93.05
    下载: 导出CSV

    表  2  波形钢腹板构件比矿用工字钢用钢量节省程度

    Table  2.   Saving degree of corrugated steel webs compared with mine I-beams  %

    组号 用钢量节省程度
    轴压承载力 抗弯承载力 平面外压弯承载力 平面内压弯承载力
    Ⅰ(9号) 11.25 20.29 25.10 31.83
    Ⅱ(11号) 5.72 30.67 44.53 39.69
    Ⅲ(12号) 13.37 27.10 29.63 37.68
    下载: 导出CSV

    表  3  圆形断面支架的承载能力对比

    Table  3.   Comparison of carrying capacity of steel circular closed supports

    试件名称 支架总重量/kg 极限承载力/kN 对应位移/mm 最大位移/mm 支架单位重量承载能力
    波形钢腹板支架YX-1 528 1 386.25 25.45 33.25 2.62
    波形钢腹板支架YX-2 612 1 635.27 40.07 49.68 2.67
    矿用工字钢支架KY-1 536 944.28 35.56 42.35 1.76
    下载: 导出CSV

    表  4  波形钢腹板支架稳定系数

    Table  4.   Stability coefficient of steel supports with corrugated webs

    λx 20 30 40 50 60 70 80 90 100 110
    φ 0.884 0.862 0.839 0.824 0.808 0.786 0.752 0.713 0.663 0.610
    λx 120 130 140 150 160 170 180 190 200
    φ 0.556 0.509 0.465 0.424 0.387 0.354 0.324 0.298 0.275
    下载: 导出CSV
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    Wu Lili, Qiu Fangyuan, Wang Zhenwei, et al. Stability behavior of support with corrugated steel webs of straight wall semicircle arch shape in coal mine roadway[J]. Journal of China Coal Society, 2019, 44(6): 1679-1689. https://www.cnki.com.cn/Article/CJFDTOTAL-MTXB201906006.htm
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    Wu Lili, Yu Zhen, Xing Ruijiao, et al. A new metal supporting structure with corrugated webs and its mechanical property[J]. Journal of China University of Mining & Technology, 2014, 43(2): 227-232, 270. https://www.cnki.com.cn/Article/CJFDTOTAL-ZGKD201402008.htm
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    Wu Lili, Guo Kaifeng, Yu Zhen, et al. Analysis of in-plane elastic buckling properties of new type of supporting steel structure with corrugated webs[J]. Journal of Sichuan University: Engineering Science Edition, 2015, 47(6): 9-14. https://www.cnki.com.cn/Article/CJFDTOTAL-SCLH201506002.htm
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    Wu Lili, Yu Yaqian, Lü Bufan. Local stability performance of arch components of underground supporting structure with corrugated steel webs[J]. Journal of South China University of Technology: Natural Science Edition, 2019, 47(10): 93-104. https://www.cnki.com.cn/Article/CJFDTOTAL-HNLG201910011.htm
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    Wu Lili, Wang Yunfei, Jia Lina. Interaction between supporting structure with corrugated steel webs and surrounding rocks[J]. Coal Science and Technology, 2020, 48(S1): 28-36. https://www.cnki.com.cn/Article/CJFDTOTAL-MTKJ2020S1006.htm
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  • 收稿日期:  2021-05-11
  • 修回日期:  2021-06-23
  • 刊出日期:  2021-10-01

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