山区岩体中特种结构的震害及抗震特性研究
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摘要
基于对汶川地震中遭受破坏的山区岩体中特种结构的现场震害调查,研究了岩体中结构的震害宏观现象和机理;建立基于波动理论的有限元数值模拟方法,分析了山区岩体中结构的地震响应及其受岩层结构面和断层带的影响。
Based on site exploration on earthquake damage of special underground structures subjected to Wenchuan earthquake in 2008,macro-phenomena and mechanism of earthquake damage of special underground structures in mountainous region rock were investigated. Earthquake response characteristics of the underground structures and effects of construction delamination and fault of rock on earthquak-resistant characteristic of the underground structures are discussed by means of FEM numerical stimulation analysis on the basis of theory of wave motion.
Based on site exploration on earthquake damage of special underground structures subjected to Wenchuan earthquake in 2008,macro-phenomena and mechanism of earthquake damage of special underground structures in mountainous region rock were investigated. Earthquake response characteristics of the underground structures and effects of construction delamination and fault of rock on earthquak-resistant characteristic of the underground structures are discussed by means of FEM numerical stimulation analysis on the basis of theory of wave motion.
引文
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[2]Hashash Y M A,Hook J.J,Schmidt B,et al.Seismic design and analysis of underground structures[J].Tunnelling and Underground Space Technology,2001,(16):247-293.
[3]Lee V M,Karl J.Diffractions of SV waves by underground circular,cylindrical cavities[J].Soil Dynamics and Earthquake Engineering,1992,11(8):445-456.
[4]胡聿贤.地震工程学[M].北京:地震出版社,2006.HU Yuxian.Earthquake Engineering[M].Beijing:Seismological Press,2006.(in Chinese)
[5]林皋.地下结构抗震分析综述(上)[J].世界地震工程,1990(2):1-10.LIN Gao.Summary of earthquake-resistant analysis for underground structures(part one)[J].World Earthquake Engineering,1990(2):1-10.(in Chinese)
[6]邵根大,骆文海,等.强地震作用下铁路隧道衬砌耐震性的研究[R].中国铁道科学:1992,13(2).SHAO Genda,LUO Wenhai,et al.Study on railway tunnel lining earthquake resistance under strong earthquake[R].China Railway Science,1992,13(2).(in Chinese)
[7]刘晶波,王文晖,等.地下结构抗震的整体式反应位移法[J].岩石力学与工程学报,2013,32(8):1618-1624.LIU Jingbo,WANG Wenhui,et al.The overall response displacement method for seismic response of underground structure[J].Chinese Journal of Rock Mechanics and Engineering,2013,32(8):1618-1624.(in Chinese)
[8]田志敏,卫东,杨辉,等.汶川地震中特种工程工程震害研究及抗震启示[J].防护工程,2009,31(6):14-22.TIAN Zhimin,WEI Dong,YANG Hui,et al.Investigation on earthquake damage of special engineering in Wenchuan earthquake and earthquake-resistant enlightenment[J].Protective Engineering,2009,31(6):14-22.(in Chinese)
[9]杜修力,赵密,王进廷.近场波动模拟的人工应力边界条件[J].力学学报,2006,38(1):49-56.DU Xiuli,ZHAO Mi,WANG Jinting.Artificial boundary conditions in near field wave motion simulation[J].Chinese Journal of Theoretical and Applied Mechanics,2006,38(1):49-56.(in Chinese)
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