盐岩高温三轴蠕变损伤破裂机制试验研究

doi:10.13722/j.cnki.jrme.2022.1350

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摘要为探究温度影响下盐岩的蠕变行为与损伤演化规律，利用岩石高温三轴蠕变试验机与声发射测试系统，研究35 ℃，50 ℃，65 ℃，80 ℃，95 ℃和110 ℃条件下盐岩蠕变变形特征与声发射活动规律，并结合矩张量反演理论解析震源机制和细微观裂纹扩展模式。研究表明：随环境温度升高，盐岩稳态蠕变率呈指数形式增大，110 ℃条件下的稳态蠕变率是35 ℃的35倍。减速蠕变过程中，盐岩声发射活动剧烈，撞击计数率高位波动，b值稳定上升；稳态蠕变过程中，盐岩声发射活动呈间歇性迸发，b值缓慢上升且无明显波动；声发射信号峰值频率呈低频、高频两区带状分布。蠕变环境温度升高，声发射信号峰值频率、高频信号比例和声发射b值均增加，高温环境增强了小尺度微破裂事件的萌生和主导地位。震源破裂滑动角可以较好地表征盐岩晶体的蠕变滑移行为，随环境温度升高，盐岩晶体滑移逐渐由水平方向转向竖直方向发展，但破裂方位走向角和倾角受温度影响较小。研究成果对指导超深盐穴储气库安全设计和长寿命运行具有重要意义。

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	李浩然1
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	徐壮3
	魏群3
	刘俊凡1
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	卓崔瑶1
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关键词 ：岩石力学, 温度效应, 稳态蠕变率, 峰值频率, b值, 矩张量反演

Abstract：In order to explore the creep behavior and damage evolution law of salt rock under the influence of temperature，the high temperature triaxial creep test machine and acoustic emission test system were used to study the creep deformation characteristics and acoustic emission activity of salt rock at 35 ℃，50 ℃，65 ℃，80 ℃，95 ℃ and 110 ℃. The moment tensor inversion theory is employed to analyze the focal mechanism and microscopic crack propagation mode. The results reveal that the steady-state creep rate of salt rock increases exponentially with the increase of the ambient temperature. The steady-state creep rate of salt rock at 110 ℃ is 35 times as much as that at 35 ℃. In the process of deceleration creep，the acoustic emission activity of salt rock is intense，the impact count rate fluctuates at a high level，and the b value rises steadily. In the process of steady creep，the acoustic emission activity of salt rock is intermittent，and the b value rises slowly and has no obvious fluctuation. The peak frequency of the acoustic emission signal is zonally distributed in a low frequency zone and a high frequency zone. The peak frequency，the proportion of high frequency signal，and b value of acoustic emission signal increase with the increase of the creep environment temperature. The initiation and dominance of small-scale micro-fracture events are enhanced by high temperature environment. The creep slip behavior of salt rock crystals can be effectively characterized by the slip angle of source rupture. The crystal slip of salt rock gradually develops from horizontal direction to vertical direction，while the fracture azimuth strike angle and dip angle are minimally affected by the increase of ambient temperature. The obtained results are of great significance to guide the safety design and long-life operation of ultra-deep salt cavern gas storage.

Key words： rock mechanics temperature effect steady-state creep rate peak frequency b value moment tensor inversion

引用本文:

李浩然1，2，徐壮3，魏群3，刘俊凡1，2，卓崔瑶1，2. 盐岩高温三轴蠕变损伤破裂机制试验研究[J]. 岩石力学与工程学报, 2023, 42(12): 2945-2956.
LI Haoran1，2，XU Zhuang3，WEI Qun3，LIU Junfan1，2，ZHUO Cuiyao1，2. Experimental study on salt rock creep damage rupture mechanism in high temperature triaxial conditions. , 2023, 42(12): 2945-2956.

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http://rockmech.whrsm.ac.cn/CN/10.13722/j.cnki.jrme.2022.1350 或 http://rockmech.whrsm.ac.cn/CN/Y2023/V42/I12/2945

[2]	杜超，杨春和，马洪岭，等. 深部盐岩蠕变特性研究[J]. 岩土力学，2012，33(8)：2 451-2 456.(DU Chao，YANG Chunhe，MA Hongling，et al. Study of creep characteristics of deep rock salt[J]. Rock and Soil Mechanics，2012，33(8)：2 451-2 456.(in Chinese))
[34]	OHTSU M. Acoustic emission theory for moment tensor analysis[J]. Research in Nondestructive Evaluation，1995，6(3)：169-184.
[4]	黄小兰，杨春和，李银平. 蠕变作用下层状盐岩界面剪切应力变化规律研究[J]. 地下空间与工程学报，2014，10(3)：547-551. (HUANG Xiaolan，YANG Chunhe，LI Yinping. Interface shear stress distribution of bedded salt rock considering rheology effect[J]. Chinese Journal of Underground Space and Engineering，2014，10(3)：547-551.(in Chinese))
[6]	张胜利，梁卫国，肖宁，等. 考虑温度的盐岩分数阶黏弹塑性蠕变损伤模型[J]. 岩石力学与工程学报，2022，41(增2)：3 198-3 209. (ZHANG Shengli，LIANG Weiguo，XIAO Ning，et al. A fractional viscoelastic-plastic creep damage model for salt rock considering temperature effect[J]. Chinese Journal of Rock Mechanics and Engineering，2022，41(Supp.2)：3 198-3 209.(in Chinese))
[9]	LIANG C，LIU J F，CHEN Z W，et al. Study on salt rock creep characteristics of wellbore under high temperature and high pressure[J]. Journal of Porous Media，2021，25(3)：1 674-1 700.
[10]	周军. 层状盐岩高温蠕变特性研究[J]. 煤，2010，19(9)：89-91. (ZHOU Jun. Study on high temperature creep characteristics of layered salt rock[J]. Coal，2010，19(9)：89-91.(in Chinese))
[12]	向高，刘建锋，李天一，等. 基于声发射的盐岩变形破坏过程的分形与损伤特征研究[J]. 岩土力学，2018，39(8)：2 905-2 912. (XIANG Gao，LIU Jianfeng，LI Tianyi，et al. Study of fractal and damage characteristic in the deformation and failure process of salt rack based on acoustic emission[J]. Rock and Soil Mechanics，2018，39(8)：2 905-2 912.(in Chinese))
[14]	吴刚，翟松韬，张渊，等. 高温下盐岩的声发射特性试验研究[J]. 岩石力学与工程学报，2014，33(6)：1 203-1 211.(WU Gang，ZHAI Songtao，ZHANG Yuan，et al. Experimental study of acoustic emission of salt rock under high temperature[J]. Chinese Journal of Rock Mechanics and Engineering，2014，33(6)：1 203-1 211.(in Chinese))
[20]	ZHANG S H，WU S C，ZHANG G，et al. Three-dimensional evolution of damage in sandstone Brazilian discs by the concurrent use of active and passive ultrasonic techniques[J]. Acta Geotechnica，2020，15(2)：393-408.
[5]	高小平，杨春和，吴文，等. 盐岩蠕变特性温度效应的试验研究[J]. 岩石力学与工程学报，2005，24(12)：2 054-2 059.(GAO Xiaoping，YANG Chunhe，WU Wen，et al. Experimental studies on temperature dependent properties of creep of rock salt[J]. Chinese Journal of Rock Mechanics and Engineering，2005，24(12)：2 054-2 059.(in Chinese))
[15]	张庆森，武志德，朱华银，等. 盐岩单轴压缩损伤演化及声发射特征研究[J]. 地下空间与工程学报，2022，18(2)：495-502.(ZHANG Qingsen，WU Zhide，ZHU Huayin，et al. Damage evolution and acoustic emission characteristics of salt rock under uniaxial compression[J]. Chinese Journal of Underground Space and Engineering，2022，18(2)：495-502.(in Chinese))
[25]	陈国庆，唐鹏，李光明，等. 岩桥直剪试验声发射频谱特征及主破裂前兆分析[J]. 岩土力学，2019，40(5)：1 649-1 656.(CHEN Guoqing，TANG Peng，LI Guangming，et al. Analysis of acoustic emission frequency spectrum characteristics and main fracture precursor of rock bridge in direct shear test[J]. Rock and Soil Mechanics，2019，40(5)：1 649-1 656.(in Chinese))
[8]	LI P，DENG J C，ZHAO W L，et al. An experimental study on creep characteristics of salt rock and gypsum-salt rock in puguang Gas Field[J]. Petroleum Science and Technology，2012，30(16)：1 715-1 724.
[18]	柴金飞，吴顺川，高永涛，等. 基于矩张量P-T图的岩石单轴压缩破裂机理研究[J]. 中国矿业大学学报，2016，45(3)：500-506. (CHAI Jinfei，WU Shunchuan，GAO Yongtao，et al. Rock failure mechanism under uniaxial compression condition based on P-T diagram of moment tensors[J]. Journal of China University of Mining and Technology，2016，45(3)：500-506.(in Chinese))
[28]	刘建坡，王洪勇，杨宇江，等. 不同岩石声发射定位算法及其试验研究[J]. 东北大学学报：自然科学版，2009，30(8)：1 193-1 196. (LIU Jianpo，WANG Hongyong，YANG Yujiang，et al. Experimental Study on different rock locating algorithms with acoustic emission[J]. Journal of Northeastern University：Natural Science，2009，30(8)：1 193-1 196.(in Chinese))
[1]	刘江，杨春和，吴文，等. 盐岩蠕变特性和本构关系研究[J]. 岩土力学，2006，27(8)：1 267-1 271.(LIU Jiang，YANG Chunhe，WU Wen，et al. Study on creep characteristics and constitutive relation of rock salt[J]. Rock and Soil Mechanics，2006，27(8)：1 267- 1 271.(in Chinese))
[22]	王宗炼，王怀伟，任会兰，等. 基于声发射矩张量理论的混凝土裂纹机制反演[J]. 兵工学报，2022，43(1)：181-189.(WANG Zonglian，WANG Huaiwei，REN Huilan，et al. Inversion of crack mechanism in concrete materials based on moment tensor theory of acoustic emission[J]. Acta Armamentarii，2022，43(1)：181-189.(in Chinese))
[24]	苗金丽，何满潮，李德建，等. 花岗岩应变岩爆声发射特征及微观断裂机制[J]. 岩石力学与工程学报，2009，28(8)：1 593-1 603.(MIAO Jinli，HE Manchao，LI Dejian，et al. Acoustic emission characteristics of granite under strain rockburst test and its microfracture mechanism[J]. Chinese Journal of Rock Mechanics and Engineering，2009，28(8)：1 593-1 603.(in Chinese))
[30]	柴金飞. 基于矩张量理论的脆性岩石破裂机理研究[博士学位论文][D]. 北京：北京科技大学，2017.(CHAI Jinfei. Study on fracture mechanism of brittle rock based on moment tensor theory[Ph. D. Thesis][D]. Beijing：University of Science and Technology Beijing，2017.(in Chinese))
[32]	柴金飞，高永涛，吴顺川，等. 基于细观特征分析的单节理岩石破裂机理研究[J]. 采矿与安全工程学报，2016，33(3)：528-534. (CHAI Jinfei，GAO Yongtao，WU Shunchuan，et al. Research on single jointed rock failure mechanism based on mesoscopic characteristics analysis[J]. Journal of Mining and Safety Engineering，2016，33(3)：528-534.(in Chinese))
[3]	吴池，刘建锋，周志威，等. 含杂质盐岩三轴蠕变特性试验研究[J]. 工程科学与技术，2017，49(增2)：165-172.(WU Chi，LIU Jianfeng，ZHOU Zhiwei，et al. Study on creep properties of salt rock with impurities during triaxial creep test[J]. Advanced Engineering Sciences，2017，49(Supp.2)：165-172.(in Chinese))
[7]	郤保平，赵阳升，赵金昌，等. 层状盐岩温度应力耦合作用蠕变特性研究[J]. 岩石力学与工程学报，2008，27(1)：90-96.(XI Baoping，ZHAO Yangsheng，ZHAO Jinchang，et al. Study on coupled thermo-mechanical creep properties of bedded rock salt[J]. Chinese Journal of Rock Mechanics and Engineering，2008，27(1)：90-96.(in Chinese))
[17]	吴顺川，黄小庆，陈钒，等. 岩体破裂矩张量反演方法及其应用[J]. 岩土力学，2016，37(增1)：1-18.(WU Shunchuan，HUANG Xiaoqing，CHEN Fan，et al. Moment tensor inversion of rock failure and its application[J]. Rock and Soil Mechanics，2016，37(Supp.1)：1-18.(in Chinese))
[27]	GUTENBERG B，RICHTER C F. Frequency of earthquakes in California[J]. Bulletin of The Seismological Society of America，1944，34(4)：185-188.
[11]	刘迪，周宏伟，赵阳，等. 基于声发射特征的盐岩蠕变本构模型研究[J]. 岩土力学，2017，38(7)：1 951-1 958.(LIU Di，ZHOU Hongwei，ZHAO Yang，et al. Study of creep constitutive model of rock salt based on acoustic emission characteristics[J]. Rock and Soil Mechanics，2017，38(7)：1 951-1 958.(in Chinese))
[13]	崔遥，姜德义，杜逢彬，等. 盐岩间隔疲劳的声发射特性试验研究[J]. 中南大学学报：自然科学版，2017，48(7)：1 875-1 882.(CUI Yao，JIANG Deyi，DU Fengbin，et al. Experimental study on character of acoustic emission caused by interval fatigue of salt rock[J]. Journal of Central South University：Science and Technology，2017，48(7)：1 875-1 882.(in Chinese))
[16]	王伟超，刘希亮，张五交. 不同应变率下的盐岩损伤声发射时空演化[J]. 江苏大学学报：自然科学版，2015，36(4)：491-496.(WANG Weichao，LIU Xiliang，ZHNG Wujiao. Space-time evolution rules of acoustic emission locations of salt rock under different strain rates[J]. Journal of Jiangsu University：Natural Science，2015，36(4)：491-496.(in Chinese))
[19]	明华军，冯夏庭，张传庆，等. 基于微震信息的硬岩新生破裂面方位特征矩张量分析[J]. 岩土力学，2013，34(6)：1 716-1 722.(MING Huajun，FENG Xiating，ZHANG Chuanqing，et al. Moment tensor analysis of attitude characterization of hard rock newborn fracture surface based on microseismic informations[J]. Rock and Soil Mechanics，2013，34(6)：1 716-1 722.(in Chinese))
[21]	OHNO K，OHTSU M. Crack classification in concrete based on acoustic emission[J]. Construction and Building Materials，2010，24(12)：2 339-2 346.
[23]	任义，高永涛，吴顺川，等. 花岗岩巴西劈裂试验的矩张量反演研究[J]. 岩土力学，2022，43(1)：235-245.(REN Yi，GAO Yongtao，WU Shunchuan，et al. Moment tensor inversion of Brazilian splitting test on granite[J]. Rock and Soil Mechanics，2022，43(1)：235-245. (in Chinese))
[26]	龚囱，李长洪，赵奎. 红砂岩短时蠕变声发射b值特征[J]. 煤炭学报，2015，40(增1)：85-92.(GONG Cong，LI Changhong，ZHAO Kui. Study on b-value characteristics of acoustic emission of red sandstone during short-time creep process[J]. Journal of China Coal Society，2015，40(Supp.1)：85-92.(in Chinese))
[29]	邓龙传，李晓昭，吴云，等. 基于巴西劈裂试验的砂岩热损伤及声发射特征研究[J]. 工程地质学报，2023，31(1)：1-11.(DENG Longchuan，LI Xiaozhao，WU Yun，et al. Thermal damage of sandstone and acoustic emission based on brazilian splitting test[J]. Journal of Engineering Geology，2023，31(1)：1-11.(in Chinese))
[31]	任义，吴顺川，高永涛，等. 传感器校准对花岗岩单轴压缩矩张量分析的影响[J]. 岩土力学，2021，42(2)：451-461.(REN Yi，WU Shunchuan，GAO Yongtao，et al. Effect of sensor calibration on moment tensor analysis of granite uniaxial compression[J]. Rock and Soil Mechanics，2021，42(2)：451-461.(in Chinese))
[33]	CHONG Z H，LI X H，HOU P，et al. Moment tensor analysis of transversely isotropic shale based on the discrete element method[J]. International Journal of Mining Science and Technology，2017，27(3)：507-515.