锚索–锚固剂–围岩锚固系统循环剪切力学特性研究

doi:10.3724/1000-6915.jrme.2024.0756

摘要
图/表
参考文献
相关文章 (15)

全文: PDF (8403 KB) HTML (1 KB)
输出: BibTeX | EndNote (RIS)

摘要锚索–锚固剂–围岩界面是锚固系统中的薄弱环节，针对其在循环扰动作用下的脱黏失效特性，建立锚固系统等效剪切力学模型，并开展循环剪切试验。研究围岩岩性、法向荷载( )、循环剪切位移幅值( )及循环次数(N)对锚固系统剪切力学特性的影响。试验结果表明，锚固系统在循环剪切阶段损伤渐进累积，最大剪切力( )随N整体呈现递减趋势。随着的增加，锚固系统达到最大剪切力阶段逐渐由直剪阶段向循环剪切阶段过渡，峰值剪切力( )与残余剪切力( )分别减小28.46%～54.13%与21.22%～49.25%，而围岩强度与法向荷载的增加强化了锚固系统的抗剪特性。循环剪切阶段，界面持续磨损劣化导致锚固系统法向剪缩加剧，而直剪过程中贯通破裂面爬坡效应导致法向剪胀逐渐凸显；锚固系统整体剪缩随与的增大逐渐增强，随围岩强度的增加逐渐弱化。识别出3种典型剪切破坏模式：煤基质内部剪切贯通破裂，锚固剂–砂岩界面脱黏失效与锚固剂断裂，灰岩锚固系统锚索–锚固剂界面脱黏滑移，并基于数字照相探讨锚固系统剪切破裂面形成与脱黏失效演化全过程。

	服务

	把本文推荐给朋友
	加入我的书架
	加入引用管理器
	E-mail Alert
	RSS
	作者相关文章
	尹乾1
	2
	陶志刚2
	朱强1
	何满潮2
	王丰年3
	吴疆宇1
	浦海1
	任树林2
	吕中玉4

关键词 ：岩石力学, 锚固系统, 异性界面, 循环剪切, 法向变形, 脱黏失效

Abstract：The interfaces between the anchor cable，anchoring agent and surrounding rock represent critical weak points in anchoring systems. This study focuses on the debonding failure characteristics under cyclic disturbance and established an equivalent shear mechanics model for the anchoring system，conducting cyclic shear tests. The influences of rock lithology，normal load(Fs)，cyclic shear displacement amplitude(ud) and cycle number(N) on the shear mechanical properties of the anchoring system were investigated. The experimental results reveal that the anchoring system experiences progressive accumulation of damage during the cyclic shear stage，with the maximum shear force(Fhpeak) generally presenting a decreasing trend as N increases. As ud increases，the location of the maximum shear force in the anchoring system gradually shifts from the direct shear stage to the cyclic shear stage. The peak shear force(Fhmax) and residual shear force(Fhres) decrease by 28.46%–54.13% and 21.22%–49.25%，respectively. An increase in the rock strength and normal load enhances the shear resistance characteristics of the anchoring system. During the cyclic shear stage，the sustained wear and degradation at the interface result in a more pronounced normal shear contraction within the anchoring system. Conversely，in the direct shear process，the climbing effect of the through fracture plane leads to a gradual increase in normal shear dilation. The overall shear contraction of the anchoring system is gradually enhanced with increases in ud and Fs，while it diminishes with increasing rock strength. Three typical shear failure modes of the anchoring system are identified：internal shear fracture through the coal matrix，debonding failure and fracture at the anchoring agent-sandstone interface，and debonding and slip at the anchor cable-anchoring agent interface in the limestone anchoring system. The entire process of shear fracture surface formation and the evolution of debonding failure in the anchoring system is discussed based on digital photography.

Key words： rock mechanics anchoring system anisotropic interface cyclic shear normal deformation debonding failure

引用本文:

尹乾1，2，陶志刚2，朱强1，何满潮2，王丰年3，吴疆宇1，浦海1，任树林2，吕中玉4. 锚索–锚固剂–围岩锚固系统循环剪切力学特性研究[J]. 岩石力学与工程学报, 2025, 44(5): 1166-1179.
YIN Qian1，2，TAO Zhigang2，ZHU Qiang1，HE Manchao2，WANG Fengnian3，WU Jiangyu1，PU Hai1，REN Shulin2，LYU Zhongyu4. Study on the cyclic shear mechanical properties of anchoring systems containing anchor cable，anchoring agent and surrounding rock. , 2025, 44(5): 1166-1179.

链接本文:

https://rockmech.whrsm.ac.cn/CN/10.3724/1000-6915.jrme.2024.0756 或 https://rockmech.whrsm.ac.cn/CN/Y2025/V44/I5/1166

[1] 谢和平，高峰，鞠杨. 深部岩体力学研究与探索[J]. 岩石力学与工程学报，2015，34(11)：2 161–2 178.(XIE Heping，GAO Feng，JU Yang. Research and exploration of deep rock mechanics[J]. Chinese Journal of Rock Mechanics and Engineering，2015，34(11)：2 161–2 178.(in Chinese))

[2] 袁亮，姜耀东，何学秋，等. 煤矿典型动力灾害风险精准判识及监控预警关键技术研究进展[J]. 煤炭学报，2018，43(2)：306–318. (YUAN Liang，JIANG Yaodong，HE Xueqiu，et al. Research progress on risk precise identification and monitoring warning for typical dynamic disasters in coal mines[J]. Journal of China Coal Society，2018，43(2)：306–318.(in Chinese))

[3] 侯朝炯，王襄禹，柏建彪，等. 深部巷道围岩稳定性控制的基本理论与技术研究[J]. 中国矿业大学学报，2021，50(1)：1–12.(HOU Chaojiong，WANG Xiangyu，BAI Jianbiao，et al. Basic theories and technical research on the stability control of deep roadway surrounding rock[J]. Journal of China University of Mining and Technology，2021，50(1)：1–12.(in Chinese))

[4] 冯夏庭，张传庆，陈炳瑞，等. 岩爆孕育过程的动态调控[J]. 岩石力学与工程学报，2012，31(10)：1 983–1 997.(FENG Xiating，ZHANG Chuanqing，CHEN Bingrui，et al. Dynamical control of rockburst evolution process[J]. Chinese Journal of Rock Mechanics and Engineering，2012，31(10)：1 983–1 997.(in Chinese))

[5] 赵同彬，尹延春，谭云亮，等. 锚杆界面力学试验及剪应力传递规律细观模拟分析[J]. 采矿与安全工程学报，2011，28(2)：220–224. (ZHAO Tongbin，YIN Yanchun，TAN Yunliang，et al. Mechanical test of bolt interface and microscopic simulation of transfer law for shear stress[J]. Journal of Mining and Safety Engineering，2011，28(2)：220–224.(in Chinese))

[6] 肖同强，李化敏，李海洋，等. 不同锚固长度下锚杆拉拔特性研究[J]. 采矿与安全工程学报，2017，34(6)：1 075–1 080.(XIAO Tongqiang，LI Huamin，LI Haiyang，et al. Study on the pull-out characteristics of bolts under different anchoring lengths[J]. Journal of Mining and Safety Engineering，2017，34(6)：1 075–1 080.(in Chinese))

[7] BLANCO M L，MICHEL T，FAOUZI H H，et al. Assessment of the bolt-grout interface behavior of fully grouted rock bolts from laboratory experiments under axial loads[J]. International Journal of Rock Mechanics and Mining Sciences，2013，63：50–61.

[8] CHEN J H，HE F L，ZHANG S B. A study of the load transfer behavior of fully grouted rock bolts with analytical modelling [J]. International Journal of Mining Science and Technology，2020，30(1)：102–106.

[9] 靖洪文，苏海健，孟波，等. 巷道锚杆锚固力学特性现场试验研究[J]. 中国矿业大学学报，2022，51(1)：16–23.(JING Hongwen，SU Haijian，MENG Bo，et al. Field experimental study on the mechanical properties of bolt anchorage in roadways[J]. Journal of China University of Mining and Technology，2022，51(1)：16–23. (in Chinese))

[10] LUGA E，PERIKU E. An in-depth study on the bearing capacity and reasons behind failures of full-scale，fully grouted rock bolts[J]. Construction and Building Materials，2021，310：124 826.

[11] 梁东旭，张农，荣浩宇. 基于锚固剂环裂纹扩展的全长锚固脱黏失效机制研究[J]. 岩石力学与工程学报，2023，42(4)：948–963. (LIANG Dongxu，ZHANG Nong，RONG Haoyu. Research on the failure mechanism of full-length anchor bolt decoupling based on the expansion of anchoring agent circular crack[J]. Chinese Journal of Rock Mechanics and Engineering，2023，42(4)：948–963.(in Chinese))

[12] ZHANG C，CUI G，CHEN X，et al. Effects of bolt profile and grout mixture on shearing behaviors of bolt-grout interface[J]. Journal of Rock Mechanics and Geotechnical Engineering，2020，12(2)：242–255.

[13] 张传庆，崔国建，周辉，等. 锚杆杆体–砂浆界面剪切力学特性试验研究[J]. 岩石力学与工程学报，2018，37(4)：820–828. (ZHANG Chuanqing，CUI Guojian，ZHOU Hui，et al. Experimental study on shear and deformation characteristics of the rod-grout interface[J]. Chinese Journal of Rock Mechanics and Engineering，2018，37(4)：820–828.(in Chinese))

[14] 邓亮，张传庆，周丽，等. 常法向刚度下锚杆杆体–树脂界面剪切力学特性试验研究[J]. 岩石力学与工程学报，2020，39(11)： 2 254–2 263.(DENG Liang，ZHANG Chuanqing，ZHOU Li，et al. Experimental study on shear mechanical characteristics of bolt-resin interface under constant normal stiffness[J]. Chinese Journal of Rock Mechanics and Engineering，2020，39(11)：2 254–2 263.(in Chinese))

[15] YOKOTA Y，ZHAO Z，NIE W，et al. Experimental and numerical study on the interface behaviour along the boundary between the rock bolt and bond material[J]. Rock Mechanics and Rock Engineering，2019，105：116–124.

[16] 王亚华. 不同杆体表面形态下锚杆–砂浆界面剪切特性试验研究[硕士学位论文][D]. 青岛：山东科技大学，2021.(WANG Yahua. Experimental study on the shear properties and bolt-mortar interface under different bolt profiles[M. S. Thesis][D]. Qingdao：Shandong University of Science and Technology，2021.(in Chinese))

[17] 李文浩. 厚煤层回采巷道围岩松动圈发育规律及巷道支护参数研究[硕士学位论文][D]. 徐州：中国矿业大学，2023.(LI Wenhao. Research on the development law of surrounding rock loose zone and supporting parameters of thick coal seam mining roadway[M. S. Thesis][D]. Xuzhou：China University of Mining and Technology，2023.(in Chinese))

[18] XIAO L，ZHI Y，WEI X，et al. Effect of temperature and accelerator on gel time and compressive strength of resin anchoring agent[J]. Advances in Polymer Technology，2019：3 546 153.

[19] 康红普，崔千里，胡滨，等. 树脂锚杆锚固性能及影响因素分析[J]. 煤炭学报，2014，39(1)：1–10.(KANG Hongpu，CUI Qianli，HU Bin，et al. Analysis on anchorage performances and affecting factors of resin bolts[J]. Journal of China Coal Society，2014，39(1)：1–10.(in Chinese))

[20] 尹乾，何满潮，靖洪文，等. 循环动载边界下三维粗糙节理面剪切力学响应研究[J]. 岩石力学与工程学报，2024，43(5)：1 176– 1 189.(YIN Qian，HE Manchao，JING Hongwen，et al. Study on shear mechanical responses of three-dimensional rough joint surfaces under cyclic dynamic load boundary conditions[J]. Chinese Journal of Rock Mechanics and Engineering，2024，43(5)：1 176–1 189.(in Chinese))

[21] AZIZ N. A New technique to determine the load transfer capacity of resin anchored bolts[C]// Proceedings of the 3rd Australian Coal Operators Conference. Wollongong：[s. n.]，2002：176–185.

[22] 刘新荣，邓志云，刘永权，等. 峰前循环剪切作用下岩石节理损伤特征与剪切特性试验研究[J]. 岩石力学与工程学报，2018，37(12)：2 664–2 675.(LIU Xinrong，DENG Zhiyun，LIU Yongquan，et al. An experimental study on the cumulative damage and shear properties of rock joints under pre-peak cyclic shear loading[J]. Chinese Journal of Rock Mechanics and Engineering，2018，37(12)：2 664–2 675.(in Chinese))

[23] 杨俊，张毅，张英实，等. 围岩性质对树脂锚杆锚固性能影响的研究[J]. 煤炭技术，2018，37(4)：35–38.(YANG Jun，ZHANG Yi，ZHANG Yingshi，et al. Study on influence of property of surrounding rock on anchorage property of resin anchored bolt[J]. Coal Technology，2018，37(4)：35–38.(in Chinese))

[24] GERE J M， GOODNO B J. Mechanics of materials[M]. California：Stanford University，2008：32–48.

[25] BARTON N. The shear strength of rock and rock joints[J]. International Journal of Rock Mechanics and Mining Sciences and Geomechanics Abstracts，1976，13(9)：255–279.

[26] 刘泉声，雷广峰，彭星新，等. 白砂岩、大理岩及花岗岩加锚剪切力学特性研究[J]. 岩石力学与工程学报，2018，37(增2)：4 007–4 015.(LIU Quansheng，LEI Guangfeng，PENG Xingxin，et al. Study on shear mechanical properties of sandstone，marble and granite after anchoring[J]. Chinese Journal of Rock Mechanics and Engineering，2018，37(Supp.2)：4 007–4 015.(in Chinese))

[27] DANG W，CHEN J，HUANG L，et al. Frictional behavior of granular materials exposed to dynamic normal load[J]. Engineering Geology，2021，295：106 414.

[28] BANDIS S，LUMSDEN A，BARTON N. Fundamentals of rock joint deformation[J]. International Journal of Rock Mechanics and Mining Sciences and Geomechanics Abstracts，1983，20(6)：249–268.