带可更换连梁的超高层结构抗震性能研究
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摘要
近年来,国内外的部分学者提出了在剪力墙中设置可更换连梁,即在连梁的跨中设置一个耗能构件,称之为保险丝,通过保险丝的塑性变形耗散能量,而且震后易于对保险丝进行修复更换。根据之前提出的可更换连梁实用设计方法,将作者开发的一种可更换连梁保险丝安装在一个超高层Benchmark模型的部分连梁中,对带可更换连梁的结构和带传统连梁的结构分别进行地震反应分析,比较两个结构在大震下的层间位移角、基底反力以及损伤状况,研究表明:带有可更换连梁的超高层结构层间位移角会有所减小,剪力墙的损伤也会有所减轻,基底反力变化不大,而且可更换连梁的损伤集中在保险丝,易于震后修复更换。
Recently,the concept of providing fuses in a coupling beam of shear walls has been introduced and developed. The fuse is used to dissipate seismic energy and is easy to be replaced in the post-earthquake event. Based on previouly proposed practical design methods of replaceable coupling beams,a super tall benchmark model installed with replaceable coupling beams was established by the name of NBM,and the same model but with conventional coupling beams was also established by the name of CBM. Through the comparison of inter-story drift angle,reaction force and damage state between the two models under rare earthquakes,it is found that the inter-story drift angle and damage by the NBM model are less than those by the CBM model. In addition,the reaction forces by the two models are similar.Moreover,the damage of the replaceable coupling beams concentrates at fuses. While other parts of replaceable coupling beams kept intact,it is convenient to replace damaged fuses after earthquakes.
引文
[1]吕西林,陈云,毛苑君.结构抗震设计的新概念-可恢复功能结构[J].同济大学学报(自然科学版),2011,39(7):941-948.LXi-lin,CHEN Yun,MAO Yuan-jun.New concept of structural seismic design:earthquake resilient structures[J].Journal of Tongji University,2011,39(7):941-948.
    [2]吕西林,陈云,蒋欢军.新型可更换连梁研究进展[J].地震工程与工程振动,2013,33(1):8-15.LXi-lin,CHEN Yun,JIANG Huan-jun.Research progress for new replaceable coupling beams[J].Journal of Earthquake Engineering and Engineering Vibration,2013,33(1):8-15.
    [3]Fortney P J,Shahrooz B M,Rassati G A.Large-scale testing of a replaceable“fuse”steel coupling beam[J].Journal of Structural Engineering,2007,133(12):1801-1807.
    [4]Rassati G A,Fortney P J,Shahrooz B M.Design of innovative coupling beams for use in hybrid coupled core wall systems[C].NSF CMMI Research and Innovation Conference 2009,Honolulu,Hawaii,June 22-25,2009.
    [5]Chung H S,Moon B W,Lee S K,et al.Seismic performance of friction dampers using flexure of RC shear wall system[J].The Structural Design of Tall and Special Buildings,2009,18(7):807-822.
    [6]MAO C X,WANG Z Y,ZHANG L Q,et al.Seismic performance of RC frame-shear wall structure with novel shape memory alloy dampers in coupling beams[J].15WCEE,Lisbon,Portugal,Paper-ID:4988,September 24-28,2012.
    [7]Kim H J,Choi K S,Oh S H,et al.Comparative study on seismic performance of conventional RC coupling beams and hybrid energy dissipative coupling beams used for RC shear walls[C].15WCEE,Lisbon,Portugal,Paper-ID:2254,September 24-28,2012.
    [8]Oh S H,Choi K Y,Kim H J,et al.Experimental validation on dynamic response of RC shear wall systems coupled with hybrid energy dissipative devices[C].15WCEE,Lisbon,Portugal,Paper-ID:1422,September 24-28,2012.
    [9]Lyons R M,Christopoulos C,Montgomery M S.Enhancing the seismic performance of RC coupled wall high-rise buildings with viscoelastic coupling dampers[C].15WCEE,Lisbon,Portugal,Paper-ID:1573,September 24-28,2012.
    [10]熊谷仁志,島崎和司,林静雄.中央部に鋼材ダンパーを有するRC境界梁の復元力特性[J].日本建築学会構造系論文典,範74巻,第643号,1677-1684,2009.
    [11]熊谷仁志,島崎和司,林静雄.中央部に鋼材ダンパーを有するRC境界梁に関する実験的研究[J].日本建築学会構造系論文典,第74巻,第638号,755-763,2009.
    [12]滕军,马伯涛,李卫华,等.联肢剪力墙连梁阻尼器伪静力试验研究[J].建筑结构学报,2010,31(12):92-100.TENG Jun,MA Bo-tao,LI Wei-hua,et al.Pseudo-static test for coupling beam damper of coupled shear wall structures[J].Journal of Building Structures,2010,31(12):92-100.
    [13]Chen Yun,LXi-lin.New replaceable coupling beams for shear wall structures[C].15WCEE,Lisbon,2012.
    [14]LüXi-lin,Mao Yuan-jun,Chen Yun.Test and analysis on shear walls with replaceable devices under cyclic loading for earthquake resilient structures[C].Proceedings of 9th International Conference on Urban Earthquake Engineering/4th Asia Conference on Earthquake Engineering,March 6-8,2012,Tokyo,Japan.
    [15]吕西林,陈云,蒋欢军.可更换连梁保险丝抗震性能试验研究[J].同济大学学报(自然科学版),2013,41(9):1318-1325.LXi-lin,CHEN Yun,MAO Yuan-jun.Experimental study on seismic behavior of“fuse”of replaceable coupling beams[J].Journal of Tongji University,2013,41(9):1318-1325.
    [16]Mander J B,Priestley M J N,Park R.Observed stress-strain behavior of confined concrete[J].Journal of Structural Engineering,1988,114(8):1827-1849.
    [17]Mander J B,Priestley M J N.Theoretical stress-strain model for confined concrete[J].Journal of Structural Engineering,1988,114(8):1804-1826.
    [18]齐虎,李云贵,吕西林.混凝土弹塑性本构实用模型研究[J].建筑科学,2011,27(1):33-38.QI Hu,LI Yun-gui,LXi-lin.Study on concrete elastoplastic practical constitutive model[J].Building Science,2011,27(1):33-38.
    [19]Pacific Earthquake Engineering Research Centro.PEER strong motion database[DB/OL].California:Berkley,http://peer.berkeley.edu/peer_ground_motion_database.
    [20]张劲,王庆扬,胡守营.ABAQUS混凝土损伤塑性模型参数验证[J].建筑结构,2008,38(8):127-130.ZHANG Jin,WANG Qing-yang,HU Shou-ying,et al.Parameters verification of concrete damaged plastic model of ABAQUS[J].Building Structure,2008,38(8):127-130.
    [21]Birtel V,Mark P.Parameterized finite element modeling of RC beam shear failure[M].2006,ABAQUS User’s Conference.

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