基于位移的RC整体剪力墙在小震作用下失效相关性分析
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摘要
为了简化结构体系可靠度的计算,本文采用蒙特卡罗法,对RC整体剪力墙在小震作用下进行了失效模式相关性研究．研究结果表明:不同层之间的失效既不完全独立也不完全相关,而是介于两者之间．下部楼层(约占总层数的1/2)各层的失效是独立的,上部楼层(约占总层数的1/2)各层的失效是相关的．
In order to simplify the calculation of structural system reliability, the dependence of RC Non-cou-pled shear walls were studied by using Monte-Carlo method under minor earthquakes in this article. The study results indicats that the failures of different storeys of RC holistic shear walls are neither absolutely indepen-dent nor absolutely dependent. The failures of the lower storeys (approximately accounting for half of the total storeys) are independent. The failures of the top storeys (approximately accounting for half of the total storeys) are dependent.
In order to simplify the calculation of structural system reliability, the dependence of RC Non-cou-pled shear walls were studied by using Monte-Carlo method under minor earthquakes in this article. The study results indicats that the failures of different storeys of RC holistic shear walls are neither absolutely indepen-dent nor absolutely dependent. The failures of the lower storeys (approximately accounting for half of the total storeys) are independent. The failures of the top storeys (approximately accounting for half of the total storeys) are dependent.
引文
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[10] Ang A H-S, Tang W H. Probability concepts in engineering planning and design. Volume II : decision, risk and reliability [M]. New York: John Wiley & Sons, 1984: 504-509.
[2]欧进萍、侯钢领、吴斌,概率Pushover分析方法及其在结构体系抗震可靠度评估中的应用[J]．建筑结构学报,2001. 22(6): 81-86. OU Jin-ping, HOU Gang-ling, WU Bin. Random pushover analysis method and its application in earthquake-resistant relia- bility evaluation of structural systems[J]. Journal of Building Structures, 2001, 22(6): 81-86. (in Chinese)
[3]程耿东,李刚．基于功能的结构抗震设计中一些问题的探讨[J]．建筑结构学报,2000,21(1):5.11．CHENG Geng-dong, LI Gang. Some keys problems on performance-based seismic design[J]. Journal of Building Structures, 2000, 21(1):5-11. (in Chinese)
[4]李刚,程耿东．基于功能的结构体系目标可靠度优化决策[J]．计算力学学报,2002,19(2):127．131．LI Gang, CHENG Geng-dong. Optimum decision of the target value of performance-based structural system reliability[J]. Journal of Computational Mechanics, 2002,19(2): 127-131. (in Chinese)
[5]李刚,程耿东．基于可靠度和功能的框架一剪力墙结构抗震优化设计[J]．计算力学学报,2001,18(3):67-71．LI Gang, CHENG Geng-dong. Reliability and performance based optimization design for seismic RC frame-wall structures [J]. Journal of Computational Mechanics, 2001,18(3): 67-71. (in Chinese)
[6]张爱林．基于功能可靠度的结构全寿命设计理论研究综述[J]．北京工业大学,2000,26(3):55.58．ZHANG Ai-lin. Revieus for the research of performance reliability-based design theorg for the whole service life of structwres [J]. Jarnal of Beijing Vniuersity of Technology, 2000,26(3):55-58. (in Chinese)
[7]赵国藩,贡金鑫,赵尚传．我国土木工程结构可靠性研究的一些进展[J]．大连理工大学学报,2000,40(3):253-258．ZHAO Guo-fan, GONG Jin-xin, ZHAO Shang-chuan. Developments of reliability research for civil engineering structure in China[J]. Jowrnal of Dalian University of Technology, 2000(40): 253-258. (in Chinese)
[8]高小旺,鲍霭斌．地震作用的概率模型及其统计参数[J]．地震工程与工程振动,1985,5(1):13-22．GAO Xiao-wang, BAO Ai-bin. Probabilistic model and its statistical parameters for seismic load[J]. Earthquake Engineering and Engineering Vibration, 1985, 5(1): 13-22.(in Chinese)
[9]李国强．基于概率可靠度进行结构抗震设计的若干理论问题[J]．建筑结构学报,2000,21(1):12-16．LI Guo-qiang. Several theoretical problems in seismic design of structure based on reliability theory [J]. Journal of Building Structures, 2000, 21(1): 12-16. (in Chinese)
[10] Ang A H-S, Tang W H. Probability concepts in engineering planning and design. Volume II : decision, risk and reliability [M]. New York: John Wiley & Sons, 1984: 504-509.
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