近断层地震作用下连体双塔楼消能连廊的破坏模拟
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摘要
采用增量动力分析(Incremental Dynamic Analysis,IDA)方法,得到了对称和不对称连体结构在地震作用下消能连廊破坏的临界地震峰值加速度,并对在该峰值加速度下消能连廊的破坏进行了模拟。IDA分析结果表明,不对称结构消能连廊较对称结构更易发生破坏,近断层地震作用下消能连廊破坏的危险性较远场地震下的要大。同时,破坏模拟表明,消能连廊的破坏一般是由于连廊支座位移超限引起的。
Using the method of incremental dynamic analysis(IDA),the energy dissipation corridor critical damage PGA of the earthquake under the symmetry and un-symmetry connected structure is determined,then the damage simulation of the energy dissipation corridor under the PGA is carried.Incremental dynamic analysis result shows that the energy dissipation corridor of the un-symmetry connected structure is easier to damage relative to the symmetry structure.Compared with the far field seismic motion,the damage probability of the energy dissipation corridor is large than the near-fault seismic motion.Meanwhile,the damage simulation shows that the damage of the corridor is generally caused by the over limits displacement of the corridor bearings.
Using the method of incremental dynamic analysis(IDA),the energy dissipation corridor critical damage PGA of the earthquake under the symmetry and un-symmetry connected structure is determined,then the damage simulation of the energy dissipation corridor under the PGA is carried.Incremental dynamic analysis result shows that the energy dissipation corridor of the un-symmetry connected structure is easier to damage relative to the symmetry structure.Compared with the far field seismic motion,the damage probability of the energy dissipation corridor is large than the near-fault seismic motion.Meanwhile,the damage simulation shows that the damage of the corridor is generally caused by the over limits displacement of the corridor bearings.
引文
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[13]梁益,陆新征,李易,叶列平.国外RC框架抗连续倒塌设计方法的检验与分析[J].建筑结构,2010,40(2):8～12Liang Yi,Lu Xin-zheng,Li Yi,Ye Lie-ping.Verification and Anlysis on Foreign Progressive-collapse-resistance Design Mehtod of RC Frame Structures[J].Building Structures,2010,40(2):8～12(in Chinese)
[14]顾祥林,印小晶,林峰,等.建筑结构倒塌过程模拟与防倒塌设计[J].建筑结构学报,2010,31(6):179～187 Gu Xiang-lin,Yin Xiao-jing,Lin Feng,et al.Simulation of Collapse Process and Design Method to Resist Collapse for Building Structures[J].Journal of Building Structures,2010,31(6):179～187(in Chinese)
[15]焦双健,冯启明,付长文.钢筋混凝土框架结构地震破坏的计算机模拟方法[J].地震工程与工程振动,2002,22(2):54～59 Jiao Shuang-jian,Feng Qi-min,Fu Chang-wen.Simulation Method for Earthquake Damage to RC Frames[J].Earthquake Engineering and Engineering Vibration,2002,22(2):54～59(in Chinese)
[2]徐培福,肖从真,王翠坤.架空连廊的震害及设计建议[J].建筑结构,2004,34(1):51～52Xu Pei-fu,Xiao Cong-zhen,Wang Cui-kun.Earthquake Damage and Design Recommendations ofElevated Corridors[J].Building Structures,2004,34(1):51～52(in Chinese)
[3]杜永峰,李春峰.阻尼连廊位置对高层连体结构地震响应的影响[J].工程力学,2008,24(11):31～35Du Yong-feng,Li Chun-feng.Influence of the DamperCorridors Position on Seismic Response of the ConnectedHigh-rise Building[J].Engineering Mechanics,2008,24(11):31～35(in Chinese)
[4]黄襄云,刁云云,谭平,等.多塔楼高层建筑连廊结构的柔性连接设计及试验研究[J].地震工程与工程振动,2007,27(6):112～118Huang Xiang-yun,Diao Yun-yun,Tan Ping,et al.Flexible Connection Design and Test Research in Multi-tower High-rise Building with Corridor Structure[J].Earthquake Engineering and Engineering Vibration,2007,27(6):112～118(in Chinese)
[5]朱宏平,杨紫健,唐家祥.利用连接装置控制两相邻结构的地震动响应[J].振动工程学报,2003,16(1):56～61Zhu Hong-ping,Yang Zi-jian,Tang Jia-xiang.Controlof the Seismic Response of Two Adjacent StructuresUsing a Damped Link[J].Journal of VibrationEngineering,2003,16(1):56～61(in Chinese)
[6]Zhu H P,Xu Y L.Optimum Parameters of MaxwellModel-defined Dampers Used to Link AdjacentStructures[J].Journal of Sound and Vibration,2005,279(2):253～274
[7]Zhou Ying,Lv Xi-lin,Lu Wen-sheng and He Zhi-jun,Shake Table Testing of a Multi-tower Connected HybridStructure[J].Earthquake Engineering and EngineeringVibration,2009,8(5):47～59
[8]周颖,吕西林,卢文胜,等.双塔连体高层混合结构抗震性能研究[J].地震工程与工程振动,2008,28(5):71～78Zhou Ying,Lv Xi-lin,Lu Wen-sheng,et al.SeismicPerformance of a Multi-tower Hybrid Tall Building[J].Earthquake Engineering and Engineering Vibration,2008,28(5):71～78(in Chinese)
[9]蔡振,谭可可,周东东.不对称双塔楼结构连接控制方案比较研究[J].华中科技大学学报(城市科学版)2010,27(3):56～61Cai Zhen,Tan Ke-ke,Zhou Dong-dong.ComparativeStudy of Coupling Structure Control Strategies Used inTwin-tower Structure with Large Podium[J].Journal ofHuazhong University of Science and Technology(UbranScience Edition),2010,27(3):56～61(in Chinese)
[10]吕大刚,于晓辉,王光远.基于单地震动记录IDA方法的结构倒塌分析[J].地震工程与工程振动,2009,29(6):33～39Lv Da-gang,Yu Xiao-hui,Wang Guang-yuan.Sturctural Collapse Analysis Based on Single-record IDAMethod[J].Earthquake Engineering and EngineeringVibration,2009,29(6):33～39(in Chinese)
[11]汪梦甫,曹秀娟,孙文林.增量动力分析方法的改进及其在高层混合结构地震危害性评估中的应用[J].工程抗震与加固改造,2010,32(1):104～109 Wang Meng-fu,Cao Xiu-jian,Sun Wen-lin.Incremental Dynamic Analysis Applied to Seismic Risk Assessment of Hybrid Structure[J].Earthquake Resistant Engineering and Retrofitting,2010,32(1):104～109(in Chinese)
[12]陆新征,李易,叶列平,马一飞.钢筋混凝土框架结构抗连续倒塌设计方法的研究[J].工程力学,2008,25(Sup.2):150～157 Lu Xin-zheng,Li Yi,Ye Lie-ping,Ma Yi-fei.Study on Design Method to Resist Progressive Collapse for Reinforced Concrete Frames[J].Engineering Mechanics,2008,25(sup.2):150～150(in Chinese)
[13]梁益,陆新征,李易,叶列平.国外RC框架抗连续倒塌设计方法的检验与分析[J].建筑结构,2010,40(2):8～12Liang Yi,Lu Xin-zheng,Li Yi,Ye Lie-ping.Verification and Anlysis on Foreign Progressive-collapse-resistance Design Mehtod of RC Frame Structures[J].Building Structures,2010,40(2):8～12(in Chinese)
[14]顾祥林,印小晶,林峰,等.建筑结构倒塌过程模拟与防倒塌设计[J].建筑结构学报,2010,31(6):179～187 Gu Xiang-lin,Yin Xiao-jing,Lin Feng,et al.Simulation of Collapse Process and Design Method to Resist Collapse for Building Structures[J].Journal of Building Structures,2010,31(6):179～187(in Chinese)
[15]焦双健,冯启明,付长文.钢筋混凝土框架结构地震破坏的计算机模拟方法[J].地震工程与工程振动,2002,22(2):54～59 Jiao Shuang-jian,Feng Qi-min,Fu Chang-wen.Simulation Method for Earthquake Damage to RC Frames[J].Earthquake Engineering and Engineering Vibration,2002,22(2):54～59(in Chinese)
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