某钢管混凝土框架-核心筒结构振动台模型试验
|
摘要
某钢管混凝土框架-核心筒结构高264 m,抗侧力体系由钢管混凝土外框架、钢板混凝土组合剪力墙和伸臂桁架3个部分组成。为了解此类结构在地震作用下的受力性能和反应特点,对该结构进行了1/30缩尺模型模拟地震振动台试验。通过分析模型结构在8度多遇、基本、罕遇地震和9度罕遇地震作用下的动力特性,对模型结构和原型结构的破坏模式、层间位移、楼层剪力等动力反应进行研究。结合大型通用有限元分析软件ETABS和ANSYS的分析结果,对原型结构的抗震设计提出了改进建议。研究结果表明:原型结构能够满足我国现行规范"小震不坏、大震不倒"的抗震设防标准,即使在9度罕遇特大地震作用下,仍然表现出优良的抗震性能。
A super-tall building is 264 m in height,which employs the composite system consisting of a concrete filled steel tube frame and a composite core wall.The building employs three parallel structural systems,i.e.,the concrete filled steel tube perimeter frame,the composite steel plate reinforced concrete core wall,and the outrigger trusses,to resist vertical and lateral loads.In order to capture the seismic performances of the structure,shaking table test of a 1/30 scaled model was conducted.Through the observation of seismic performance of the model during frequent,basic,rare earthquake of degree 8,and rare earthquake of degree 9,the failure patterns of the model and prototype structure were studied.The corresponding dynamic characteristics of prototype structure were obtained.Some corresponding measures for improving the design of this structure were also put forward.The results show that the prototype structure can meet the requirement of no damage during frequent earthquakes and no collapse in rare earthquakes.The structural system is able to ensure the life safety even when there is extremely strong earthquake of degree 9.
A super-tall building is 264 m in height,which employs the composite system consisting of a concrete filled steel tube frame and a composite core wall.The building employs three parallel structural systems,i.e.,the concrete filled steel tube perimeter frame,the composite steel plate reinforced concrete core wall,and the outrigger trusses,to resist vertical and lateral loads.In order to capture the seismic performances of the structure,shaking table test of a 1/30 scaled model was conducted.Through the observation of seismic performance of the model during frequent,basic,rare earthquake of degree 8,and rare earthquake of degree 9,the failure patterns of the model and prototype structure were studied.The corresponding dynamic characteristics of prototype structure were obtained.Some corresponding measures for improving the design of this structure were also put forward.The results show that the prototype structure can meet the requirement of no damage during frequent earthquakes and no collapse in rare earthquakes.The structural system is able to ensure the life safety even when there is extremely strong earthquake of degree 9.
引文
[1]孙建超,徐培福,肖从真,等.钢板-混凝土组合剪力墙受剪性能试验研究[J].建筑结构,2008,38(6):1-10.SUN Jian-chao,XU Pei-fu,XIAO Cong-zhen,et al.Experimental study on shear behavior of steel plate-concretecomposite wall[J].Building Structure,2008,38(6):1-10.
[2]吕西林,干淳洁,王威.内置钢板钢筋混凝土剪力墙抗震性能研究[J].建筑结构学报,2009,30(5):89-96.LüXi-lin,GAN Chun-jie,WANG Wei.Study on seismicbehavior of steel plate reinforced concrete shear walls[J].Journalof Building Structures,2009,30(5):89-96.
[3]李国强,张晓光,沈祖炎.钢板外包混凝土剪力墙板抗剪滞回性能试验研究[J].工业建筑,1995,25(6):32-35.LI Guo-qiang,ZHANG Xiao-guang,SHEN Zu-yan.Experimental study on hysteretic behavior of concrete-incasedsteel plate shear walls[J].Journal of Industrial Construction,1995,25(6):32-35.
[4]同济大学土木工程防灾国家重点实验室.北京财富中心二期写字楼模拟地震振动台试验研究报告[R].上海:同济大学,2010:1-2.State Key Laboratory of Disaster Reduction in Civil Engineering,Tongji University.Shaking table model test of Fortune Plaza IIOffice Building[R].Shanghai:Tongji University,2010:1-2.
[5]JGJ 3—2002,高层建筑混凝土结构技术规程[S].JGJ 3—2002,Technical specification for concrete structures oftall building[S].
[6]吕西林.超限高层建筑工程抗震设计指南[M].2版.上海:同济大学出版社,2009:5-15.LüXi-lin.Seismic design guide for super tall building[M].2nded.Shanghai:Tongji University Press,2005:5-15.
[7]何伟明,刘鹏,殷超,等.北京财富中心二期办公楼超高层结构体系设计研究[J].建筑结构,2009,39(11):1-8.HO Goman,LIU Peng,YIN Chao,et al.Design and study onsuper high-rise structural system of Beijing Fortune Plaza 2office tower[J].Building Structure,2009,39(11):1-8.
[8]吕西林.复杂高层建筑抗震理论与应用[M].北京:科学出版社,2007:77-135.LüXi-lin.Seismic theory of complex high-rise buildings withapplication[M].Beijing:Science Press,2007:77-135.
[9]姚振纲,刘祖华.建筑结构抗震试验[M].上海:同济大学出版社,1996:26-54.YAO Zhen-gang,LIU Zu-hua.Seismic tests for buildingstructures[M].Shanghai:Tongji University Press,1996:26-54.
[10]周颖,卢文胜,吕西林.模拟地震振动台模型实用设计方法[J].结构工程师,2003(3):30-33.ZHOU Ying,LU Wen-sheng,LüXi-lin.Practical model designmethod of shaking table tests[J].Structural Engineers,2003(3):30-33.
[11]LüXi-lin,ZOU Yun,LU Wen-sheng,et al.Shaking table modeltest on Shanghai World Financial Center Tower[J].EarthquakeEngineering and Structural Dynamics,2007,36(4):439-457.
[2]吕西林,干淳洁,王威.内置钢板钢筋混凝土剪力墙抗震性能研究[J].建筑结构学报,2009,30(5):89-96.LüXi-lin,GAN Chun-jie,WANG Wei.Study on seismicbehavior of steel plate reinforced concrete shear walls[J].Journalof Building Structures,2009,30(5):89-96.
[3]李国强,张晓光,沈祖炎.钢板外包混凝土剪力墙板抗剪滞回性能试验研究[J].工业建筑,1995,25(6):32-35.LI Guo-qiang,ZHANG Xiao-guang,SHEN Zu-yan.Experimental study on hysteretic behavior of concrete-incasedsteel plate shear walls[J].Journal of Industrial Construction,1995,25(6):32-35.
[4]同济大学土木工程防灾国家重点实验室.北京财富中心二期写字楼模拟地震振动台试验研究报告[R].上海:同济大学,2010:1-2.State Key Laboratory of Disaster Reduction in Civil Engineering,Tongji University.Shaking table model test of Fortune Plaza IIOffice Building[R].Shanghai:Tongji University,2010:1-2.
[5]JGJ 3—2002,高层建筑混凝土结构技术规程[S].JGJ 3—2002,Technical specification for concrete structures oftall building[S].
[6]吕西林.超限高层建筑工程抗震设计指南[M].2版.上海:同济大学出版社,2009:5-15.LüXi-lin.Seismic design guide for super tall building[M].2nded.Shanghai:Tongji University Press,2005:5-15.
[7]何伟明,刘鹏,殷超,等.北京财富中心二期办公楼超高层结构体系设计研究[J].建筑结构,2009,39(11):1-8.HO Goman,LIU Peng,YIN Chao,et al.Design and study onsuper high-rise structural system of Beijing Fortune Plaza 2office tower[J].Building Structure,2009,39(11):1-8.
[8]吕西林.复杂高层建筑抗震理论与应用[M].北京:科学出版社,2007:77-135.LüXi-lin.Seismic theory of complex high-rise buildings withapplication[M].Beijing:Science Press,2007:77-135.
[9]姚振纲,刘祖华.建筑结构抗震试验[M].上海:同济大学出版社,1996:26-54.YAO Zhen-gang,LIU Zu-hua.Seismic tests for buildingstructures[M].Shanghai:Tongji University Press,1996:26-54.
[10]周颖,卢文胜,吕西林.模拟地震振动台模型实用设计方法[J].结构工程师,2003(3):30-33.ZHOU Ying,LU Wen-sheng,LüXi-lin.Practical model designmethod of shaking table tests[J].Structural Engineers,2003(3):30-33.
[11]LüXi-lin,ZOU Yun,LU Wen-sheng,et al.Shaking table modeltest on Shanghai World Financial Center Tower[J].EarthquakeEngineering and Structural Dynamics,2007,36(4):439-457.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心