NUMERICAL ANALYSIS OF EFFECT OF TEMPERATURE DECREASING ON CRACK OF CHILLED LPG UNLINED STORAGE CAVERN

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摘要从单条裂隙入手，将出露于低温LPG不衬地下储库洞壁的主裂隙简化为带边缘裂纹半无限板分析模型，将洞壁附近未出露的主裂隙简化为靠近自由边缘内置裂纹的半无限板分析模型。首先分析在温度降低过程中岩石物理力学参数随温度变化对裂隙扩展的影响；其次分析温度边界类型、降温程度、降温速度、裂隙与洞壁夹角对不同长度裂隙的温度场、应力场和裂尖应力强度因子的影响，以探求降温导致裂隙扩展的机制；最后作为一种尝试研究，利用叠加原理考虑在裂隙温度降低时地应力对裂纹扩展的抑制作用，分析以原有裂隙不扩展为条件时存储介质温度与地应力的关系。

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关键词 ：岩石力学, 低温LPG不衬地下储库, 裂隙, 温度降低, 应力强度因子

Abstract：Through a single crack，the main cracks appeared in the wall and imbedded near the wall of cavern are simplified as a half infinite plane with a fringe crack and one with a crack near the free edge for chilled liquefied petroleum gas(LPG) storage cavern respectively. To explore the influence mechanism of temperature decreasing on crack propagation，firstly the effect of rock parameters change caused temperature decreasing on the crack propagation is analyzed. Secondly，the effects of temperature boundary type，intensity and velocity of temperature decreasing，and angle between crack and wall on the temperature fields，stress fields and the stress intensity factors(SIF) of cracks with different lengths are researched. Finally，as a tentative research，the inhibition action of the ground stress on crack propagation during the temperature decreasing of crack is taken into consideration through the principle of superposition；and the relationship between the of temperature storage medium and the ground stress of cavern is analyzed under the condition of the existent crack non-propagating.

Key words： rock mechanics chilled liquefied petroleum gas unlined storage cavern crack temperature decreasing stress intensity factor

收稿日期: 2010-09-15

引用本文:

温降对液化石油气储库围岩裂隙开裂影响的数值分析. [J]. 岩石力学与工程学报, 2011, 30(4): 718-726.
XU Bin1，YAN Na2，LI Ning3，LI Zhongkui1. NUMERICAL ANALYSIS OF EFFECT OF TEMPERATURE DECREASING ON CRACK OF CHILLED LPG UNLINED STORAGE CAVERN. , 2011, 30(4): 718-726.

链接本文:

http://www.rockmech.org/CN/Y2011/V30/I4/718

[1]	Lars Olof Dahlström J E. Underground storage of petroleum and natural gases[C]// World Petroleum Congress. Rio de Janeiro：[s.n]，2002：128-129. " target="_blank">
[3]	INADA Y，YOKATA K. Some studies of low temperature rock strength[J]. International Journal of Rock Mechanics and Mining Sciences and Geomechanics Abstracts，1984，21(3)：145-153. " target="_blank">
[5]	YAMABE T，NEAUPANE K M. Determination of some thermo- mechanical properties of Sirahama sandstone under subzero temperature condition[J]. International Journal of Rock Mechanics and Mining Sciences，2001，38(7)：1 029-1 034. " target="_blank">
[7]	PARK C，SYNN J H，SHIN H S，et al. Experimental study on the thermal characteristics of rock at low temperature[J]. International Journal of Rock Mechanics and Mining Sciences，2004，41(3)：367-368.
[9]	杨更社，张全胜，任建喜，等. 冻结速度对铜川砂岩损伤CT数变化规律研究[J]. 岩石力学与工程学报，2004，23(24)：4 099-4 104. (YANG Gengshe，ZHANG Quansheng，REN Jianxi，et al. Study of the effect of freezing rate on the damage CT values of Tongchuan sandstone[J]. Chinese Journal of Rock Mechanics and Engineering，2004，23(24)：4 099-4 104.(in Chinese)) " target="_blank">
[11]	徐光苗，刘泉声. 岩石冻融破坏机制分析及冻融力学试验研究[J]. 岩石力学与工程学报，2005，24(17)：3 076-3 082.(XU Guangmiao，LIU Quansheng. Analysis of mechanism of rock failure due to freeze-thaw cycling and mechanical testing study of frozen-thawed rocks[J]. Chinese Journal of Rock Mechanics and Engineering，2005，24(17)：3 076-3 082.(in Chinese)) " target="_blank">
[14]	PB-KBB，Inc. Advanced underground gas storage concepts refrigerated- mined cavern storage[R]. Houston：PB-KBB，Inc.，1998. " target="_blank">
[18]	徐光苗，刘泉声，张秀丽. 冻结温度下岩体THM完全耦合的理论初步分析[J]. 岩石力学与工程学报，2004，23(21)：3 709-3 713. (XU Guangmiao，LIU Quansheng，ZHANG Xiuli. Theoretical analysis on full thermo-hydro-mechanical coupling for rocks under freezing temperature[J]. Chinese Journal of Rock Mechanics and Engineering，2004，23(21)：3 709-3 713.(in Chinese))
[2]	LU M. Types of underground oil/gas storage caverns and related rock mechanics problems[R]. Beijing：China University of Petroleum，2004. " target="_blank">
[4]	KENJI A，KEISUKE H，TAKEHISA Y. Storage of refrigerated liquefied gases in rock caverns：characteristics of rock under very low temperatures[J]. Tunnelling and Underground Space Technology，1990，5(4)：319-325. " target="_blank">
[6]	DWIVEDI R D，SONI A K，GOEL R K，et al. Fracture toughness of rocks under sub-zero temperature conditions[J]. International Journal of Rock Mechanics and Mining Sciences，2000，37(8)：1 267-1 275. " target="_blank">
[8]	李宁，张平，程国栋. 冻结裂隙砂岩低周循环动力特性试验研究[J]. 自然科学进展，2001，11(11)：1 175-1 180.(LI Ning，ZHANG Ping，CHENG Guodong. Short cycling dynamic testing study of fracturing sandstone at frozen temperature[J]. Progress of Natural Science，2001，11(11)：1 175-1 180.(in Chinese))
[10]	ZHANG S J，LAI Y M，ZHANG X F，et al. Study on the damage propagation of surrounding rock from a cold-region tunnel under freeze-thaw cycle condition[J]. Tunnelling and Underground Space Technology，2004，19(3)：295-302.
[12]	MUTLUTÜRK M，ALTINDAG R，TÜRK G. A decay function model for the integrity loss of rock when subjected to recurrent cycles of freezing-thawing and heating-cooling[J]. International Journal of Rock Mechanics and Mining Sciences，2004，41(2)：237-244.
[13]	YAVUZ H，ALTINDAG R，SARAC S，et al. Estimating the index properties of deteriorated carbonate rocks due to freeze-thaw and thermal shock weathering[J]. International Journal of Rock Mechanics and Mining Sciences，2006，43(5)：767-775. " target="_blank">
[15]	GLAMHEDEN R，LINDBLOM U. Thermal and mechanical behaviors of refrigerated caverns in hard rock[J]. Tunnelling and Underground Space Technology，2002，17(4)：341-353. " target="_blank">
[16]	赖远明. 寒区隧道温度场、渗流场和应力场的耦合问题的非线性分析[博士学位论文][D]. 兰州：中国科学院兰州冰川冻土研究所，1999.(LAI Yuanming. Nonlinear analyses for the couple problem of temperature，seepage and stress fields in cold region tunnels[Ph. D. Thesis][D]. Lanzhou：Institute of Glacier and Frozen Soil，Chinese Academy of Sciences，1999.(in Chinese)) " target="_blank">
[17]	张学富. 寒区隧道多场耦合问题的计算模型研究及其有限元分析[博士学位论文][D]. 兰州：中国科学院寒区旱区与环境工程研究所，2004.(ZHANG Xuefu. Computational models study and their finite element analyses for the coupled problems of several fields in cold regions tunnels[Ph. D. Thesis][D]. Lanzhou：Cold and Arid Regions Environmental and Engineering Research Institute，Chinese Academy of Sciences，2004.(in Chinese)) " target="_blank">
[19]	于骁中，谯常忻，周群力. 岩石和混凝土断裂力学[M]. 长沙：中南工业大学出版社，1991：107-108.(YU Xiaozhong，QIAO Changxin，ZHOU Qunli. Fracture mechanics of rock and concrete[M]. Changsha：Central South University of Technology Press，1991：107-108.(in Chinese)) " target="_blank">
[20]	中国科学院力学研究所. 应力强度因子手册[M]. 北京：科学出版社，1990：100-112.(Institute of Mechanics，Chinese Academy of Sciences. Stress intensity factor handbook[M]. Beijing：Science Press，1990：100-112.(in Chinese)) " target="_blank">