某超高层建筑局部结构模型低周反复加载试验研究
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摘要
核心筒剪力墙在高层混合结构的抗侧力体系中发挥着重要作用,数十年来大量的研究工作集中于新型剪力墙墙体的开发和研究,如组合钢板剪力墙、带钢桁架混凝土剪力墙以及带混凝土暗撑剪力墙等,而真正将其综合应用于实际工程项目中的尚未多见,北京财富中心二期写字楼便是该三者的有机结合。基于其高度超限及关键新技术的综合应用,对该结构进行了模拟地震振动台试验研究。为了充分利用该振动台试验结构模型,在对该振动台试验结构模型含有第一个加强层及其以下的部分进行加工再造之后,又进行低周反复静力加载试验研究,以分析该结构模型的破坏模式、变形性能及局部区域的受力特性。
The core tube shear wall plays an important role in the lateral force systems of super high-rise building structures.Many researches are focusing on the development and application of novel types of shear walls,such as combined steel plate shear wall,concrete shear wall with steel truss and concrete shear wall with concealed braces.However,there are no enough project examples such as Beijing Financial Center office building in which the three concepts mentioned above are excellently combined.Shaking table testing research was conducted due to the superelevation and application of the three key technologies.To make best use of such shaking table test model,low-cycle reversed loading test was conducted on the partial model below the first outrigger floor to study its failure patterns,deformability and responses of local regions(such as the outriggers,the external circular steel columns and the bottom of core tube walls).
The core tube shear wall plays an important role in the lateral force systems of super high-rise building structures.Many researches are focusing on the development and application of novel types of shear walls,such as combined steel plate shear wall,concrete shear wall with steel truss and concrete shear wall with concealed braces.However,there are no enough project examples such as Beijing Financial Center office building in which the three concepts mentioned above are excellently combined.Shaking table testing research was conducted due to the superelevation and application of the three key technologies.To make best use of such shaking table test model,low-cycle reversed loading test was conducted on the partial model below the first outrigger floor to study its failure patterns,deformability and responses of local regions(such as the outriggers,the external circular steel columns and the bottom of core tube walls).
引文
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[10]曹万林,赵长军,张建伟,等.带暗支撑短肢剪力墙结构振动台试验研究[J].建筑结构学报,2008,29(1):49-56.Cao W L,Zhao C J,Zhang J W,et al.Earthquakesimulation test on short pier RC shear wall structurewith concealed bracings[J].Journal of BuildingStructures,2008,29(1):49-56.(in Chinese)
[11]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.He W M,Liu P,Yin C,et al.Design and study onsuper high-rise structural system of Beijing fortuneplaza 2 office tower[J].Building Structure,2009,39(11):1-8.(in Chinese)
[12]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:同济大学土木工程防灾国家重点实验室振动台实验室,2010.Reports of earthquake simulation test on Beijingfortune plaza 2 office tower[R].Shanghai:ShakingTable Test Division of State Key Laboratory of DisasterReduction in Civil Engineering of Tongji University,2010.(in Chinese)
[2]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 G Q,Zhang X G,Shen ZY.Experimental study onhysteretic behavior of concrete-incased steel plateshear walls[J].Industrial Construction,1995,25(6):32-35.(in Chinese)
[3]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.Lu X L,Gan C J,Wang W.Study on seismic behaviorof steel plate reinforced concrete shear walls[J].Journal of Building Structures,2009,30(5):89-96.(in Chinese)
[4]祝文君,马军,黄会平,等.双层钢板组合剪力墙在异型结构中的应用及研究[J].特种结构,2010,27(2):14-16.Zhu W J,Ma J,Huang H P,et al.Research andApplication of Bi-Steel-Plate Composite Shear Wall inSpecial Structure[J].Special Structures,2010,27(2):14-16.(in Chinese)
[5]郑同亮,曹万林,张静娜,等.内藏钢桁架混凝土组合高剪力墙抗震性能试验研究[J].世界地震工程2,0062,2(2):77-83.Zheng T L,Cao W L,Zang J N,et al.Experimentalstudies on seismic behavior of high-rise shear wallswith concealed steel truss[J].World EarthquakeEngineering2,0062,2(2):77-83.(in Chinese)
[6]曹万林,张建伟,等.内藏钢桁架混凝土剪力墙与钢桁架抗震性能比较[J].北京工业大学学报,2007,33(1):31-36.Cao W L,Zhang J W,et al.Seismic PerformanceComparison between Shear Wall with Concealed SteelTruss and Steel Truss[J].Journal of BeijingUniversity of Technology,2007,33(1):31-36.(inChinese)
[7]张静娜,曹万林,郑同亮,等.内藏钢桁架混凝土组合中高剪力墙抗震性能试验研究[J].地震工程与工程振动,20062,6(4):108-113.Zhang J N,Cao W L,Zheng T L,et al.Experimentalstudy on seismic behavior of mid-rise shear wall withconcealed steel truss[J].Earthquake Engineering andEngineering Vibration,2006,26(4):108-113.(inChinese)
[8]曹万林,董宏英,胡国振,等.不同暗支撑型式的带暗支撑双肢剪力墙抗震性能试验研究[J].土木工程学报,2005,38(8):18-25.Cao W L,Dong H Y,Hu G Z,et al.An experimentalstudy on the seismic behavior of RC coupled shearwalls with concealed bracings of different styles[J].China Civil Engineering Journal,2005,38(8):18-25.(in Chinese)
[9]陈路,尹华钢,曹万林,等.带暗支撑混凝土剪力墙的抗震性能研究与应用[J].建筑结构,2007,37(4):22-24-41.Chen L,Yin H G,Cao W L,et al.Research andApplication of Seismic Performance of Shear Wall withHidden Brace[J].Building Structure,2007,37(4):22-24-41.(in Chinese)
[10]曹万林,赵长军,张建伟,等.带暗支撑短肢剪力墙结构振动台试验研究[J].建筑结构学报,2008,29(1):49-56.Cao W L,Zhao C J,Zhang J W,et al.Earthquakesimulation test on short pier RC shear wall structurewith concealed bracings[J].Journal of BuildingStructures,2008,29(1):49-56.(in Chinese)
[11]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.He W M,Liu P,Yin C,et al.Design and study onsuper high-rise structural system of Beijing fortuneplaza 2 office tower[J].Building Structure,2009,39(11):1-8.(in Chinese)
[12]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:同济大学土木工程防灾国家重点实验室振动台实验室,2010.Reports of earthquake simulation test on Beijingfortune plaza 2 office tower[R].Shanghai:ShakingTable Test Division of State Key Laboratory of DisasterReduction in Civil Engineering of Tongji University,2010.(in Chinese)
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