冻融–周期荷载下单裂隙类砂岩损伤及断裂演化试验分析

doi:10.13722/j.cnki.jrme.2017.1296

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Abstract The damage and fracturing of fractured rock mass under freezing-thawing and cyclic loading were studied. The quasi-sandstone specimens with a single joint of 0°，45° and 90° were prepared and tested under 0，10，20，30 cycles of freezing-thawing. The damage characteristics and fracturing features of quasi-sandstones with a single fracture under the combined effects of freezing-thawing and cyclic loading were discussed. The damage characteristics of the fractured rocks are related to the fracture morphology，the number of freezing-thawing cycles and the cyclic loading mode. There exist the typical coupling effects between the number of freeze-thaw cycles and the cyclic loading processes. The failure strength is directly proportional to the crack angle after the cyclic freezing-thawing，which is much different from the cyclic loading test without the effect of freezing-thawing. With the increase of cyclic loading level，the hysteresis ring tends to be full，and the migration pattern is presented due to the differences of the crack angles. In addition，the degree of fullness of the hysteresis loops located in the center are less than the ones located in the boundaries. The expression of defect area can reflect accurately the localized damage at fracture tips under the combined effects of freezing-thawing and cyclic loading.

Key words： rock mechanics freeze-thaw cycles cyclic loading single-joint quasi-sandstone accumulated damage tip fracture development

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	Articles by authors
	SHEN Yanjun1
	YANG Gengshe1
	WANG Ming1
	JIA Hailiang1
	ZHANG Huimei2
	GAO Xicai3

Cite this article:

SHEN Yanjun1,YANG Gengshe1,WANG Ming1, et al. Experiments on the damage characteristics and fracture process of single-joint quasi-sandstone under the cyclic freezing-thawing and cyclic loading[J]. , 2018, 37(3): 709-717.

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https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2017.1296 OR https://rockmech.whrsm.ac.cn/EN/Y2018/V37/I3/709

[1] 申艳军，杨更社，荣腾龙，等. 冻融循环作用下单裂隙类砂岩局部化损伤效应及端部断裂特性分析[J]. 岩石力学与工程学报，2017，36(3)：562–570.(SHEN Yanjun，YANG Gengshe，RONG Tenglong，et al. Localized damage effects of quasi-sandstone with single fracture and fracture behaviors of joint end under cyclic freezing and thawing[J]. Chinese Journal of Rock Mechanics and Engineering，2017，36(3)：562–570.(in Chinese))
[2] 贾海梁，项伟，申艳军，等. 冻融循环作用下岩石疲劳损伤计算中关键问题的讨论[J]. 岩石力学与工程学报，2017，36(2)：335–346.(JIA Hailiang，XIANG Wei，SHEN Yanjun，et al. Discussion of the key issues within calculation of the fatigue damage of rocks subjected to freeze-thaw cycles[J]. Chinese Journal of Rock Mechanics and Engineering，2017，36(2)：335–346.(in Chinese))
[3] 刘泉声，黄诗冰，康永水，等. 裂隙岩体冻融损伤研究进展与思考[J]. 岩石力学与工程学报，2015，34(3)：452–471.(LIU Quansheng，HUANG Shibing，KANG Yongshui，et al. Advance and review on freezing-thawing damage of fractured rock[J]. Chinese Journal of Rock Mechanics and Engineering，2015，35(3)：452–471.(in Chinese))
[4] 李新平，路亚妮，王仰君. 冻融荷载耦合作用下单裂隙岩体损伤模型研究[J]. 岩石力学与工程学报，2013，32(11)：2 307–2 315. (LI Xinping，LU Yani，WANG Yangjun. Research on damage model of single jointed rock masses under coupling action of freeze-thaw and loading[J]. Chinese Journal of Rock Mechanics and Engineering，2013，32(11)：2 307–2 315.(in Chinese))
[5] 路亚妮，李新平，肖家双. 单裂隙岩体冻融力学特性试验分析[J].地下空间与工程学报，2014，10(3)：593–598.(LU Yani，LI Xinping，XIAO Jiashuang. Experimental analysis on mechanical characteristic of single cracked rock mass under freeze-thaw condition[J]. Chinese Journal of Underground Space and Engineering，2014，10(3)：593–598.(in Chinese))
[6] 刘红岩，刘冶，邢闯锋，等. 循环冻融条件下节理岩体损伤破坏试验研究[J]. 岩土力学，2014，35(6)：1 547–1 554.(LIU Hongyan，LIU Ye，XING Chuangfeng，et al. Test study of damage failure of jointed rock mass under freezing-thawing cycles[J]. Rock and Soil Mechanics，2014，35(6)：1 547–1 554. (in Chinese))
[7] 阎锡东，刘红岩，邢闯锋，等. 基于微裂隙变形与扩展的岩石冻融损伤本构模型研究[J]. 岩土力学，2015，36(12)：3 489–3 499.(YAN Xidong，LIU Hongyan，XING Chuangfeng，et al. Constitutive model research on freezing-thawing damage of rock based on deformation and propagation of micro-cracks[J]. Rock and Soil Mechanics，2015，36(12)：3 489–3 499.(in Chinese))
[8] RODRÍGUEZ P，ARAB P B，CELESTINO T B. Characterization of rock cracking patterns in diametral compression tests by acoustic emission and petrographic analysis[J]. International Journal of Rock Mechanics and Mining Sciences，2016，83(3)：73–85.
[9] YANG H，LIU J，ZHOU X. Effects of the loading and unloading conditions on the stress relaxation behavior of pre-cracked granite[J]. Rock Mechanics and Rock Engineering，2017，50(6)：1 157–1 169.
[10] 赵明阶. 裂隙岩体在受荷条件下的声学特性研究[J]. 岩石力学与工程学报，1999，18(2)：238.(ZHAO Mingjie. A study on ultrasonic properties of crack ked rockmass under loading and unloading[J]. Chinese Journal of Rock Mechanics and Engineering，1999，18(2)：238.(in Chinese))
[11] 王蒙，朱哲明，冯若琪. 真三轴加卸载条件下巷道周边裂隙岩体变形破坏试验研究[J]. 煤炭学报，2015，40(2)：278–285.(WANG Meng，ZHU Zheming，FENG Ruoqi. Experimental study on failure behaviour of cracked rocks around tunnels under true triaxial unloading[J]. Journal of China Coal Society，2015，40(2)：278–285. (in Chinese))
[12] 李杰，王明洋，张宁，等. 裂隙岩体动态损伤演化与体积扩容方程[J]. 岩石力学与工程学报，2015，34(8)：1 532–1 541.(LI Jie，WANG Mingyang，ZHANG Ning，et al. An equation for damage development and volumetric dilation of cracked rock[J]. Chinese Journal of Rock Mechanics and Engineering，2015，34(8)：1 532– 1 541.(in Chinese))
[13] 任建喜. 冻结裂隙岩石加卸载破坏机制CT实时试验[J]. 岩土工程学报，2004，26(5)：641–644.(REN Jianxi. Real-time CT test of damage failure mechanism of frozen cracked rock in loading and unloading condition[J]. Chinese Journal of Geotechnical Engineering，2004，26(5)：641–644.(in Chinese))
[14] 申艳军，荣腾龙，杨更社，等. 类砂岩相似材料配合比方案试验研究[J]. 水利水电科技进展，2016，36(4)：75–79.(SHEN Yanjun，RONG Tenglong，YANG Gengshe，et al. Experimental study on the ratio of quasi-sandstone similar material[J]. Advances in Science and Technology of Water Resources，2016，36(4)：75–79.(in Chinese))
[15] 周家文，杨兴国，符文熹，等. 脆性岩石单轴循环加卸载试验及断裂损伤力学特性研究[J]. 岩石力学与工程学报，2010，29(6)：1 172–1 183. (ZHOU Jiawen，YANG Xingguo，FU Wenxi，et al. Experimental test and fracture damage mechanical characteristics of brittle rock under uniaxial cyclic loading and unloading conditions[J]. Chinese Journal of Rock Mechanics and Engineering，2010，29(6)：1 172–1 183.(in Chinese))
[16] 王昌，周宗红. 砂岩单轴循环加卸载试验及声发射特征研究[J]. 中国钨业，2014，29(3)：1–4.(WANG Chang，ZHOU Zonghong. Study on uniaxial cyclic loading and unloading test and acoustic emission characteristics of sandstone[J]. China Tungsten Industry，2014，29(3)：1–4.(in Chinese))
[17] 徐速超，冯夏庭，陈炳瑞. 矽卡岩单轴循环加卸载试验及声发射特性研究[J]. 岩土力学，2009，30(10)：2 929–2 934.(XU Suchao，FENG Xiating，CHEN Bingrui. Experimental study of skarn under uniaxial cyclic loading and unloading test and acoustic emission characteristics[J]. Rock and Soil Mechanics，2009，30(10)：2 929–2 934.(in Chinese))
[18] 路亚妮. 裂隙岩体冻融损伤力学特性试验及破坏机制研究[博士学位论文][D]. 武汉：武汉理工大学，2013.(LU Yani. Study on mechanics characteristic of damage due to freeze-thaw action in fractured rock masses and failure mechanism[Ph. D. Thesis][D]. Wuhan：Wuhan University of Technology，2013.(in Chinese))
[19] 陈新，廖志红，李德建. 节理倾角及连通率对岩体强度、变形影响的单轴压缩试验研究[J]. 岩石力学与工程学报，2011，30(4)：781–789.(CHEN Xin，LIAO Zhihong，LI Dejian. Experimental study of effects of joint inclination angle and connectivity rate on strength and deformation properties of rock mass under uniaxial compression[J]. Chinese Journal of Rock Mechanics and Engineering，2011，30(4)：781–789.(in Chinese))
[20] 张伟，周国庆，张海波，等. 倾角对裂隙岩体力学特性影响试验模拟研究[J]. 中国矿业大学学报，2009，38(1)：30–33.(ZHANG Wei，ZHOU Guoqing，ZHANG Haibo，et al. Experimental research on the influence of obliquity on the mechanical characteristics of a fractured rock mass[J]. Journal of China University of Mining and Technology，2009，38(1)：30–33.(in Chinese))