传统风格建筑钢框架结构弹塑性地震反应分析  

ELASTIC-PLASTIC SEISMIC RESPONSE ANALYSIS OF STEEL FRAME STRUCTURE OF TRADITIONAL STYLE BUILDINGS

作　　者：薛建阳[1] 李亚东[1] 王戈[1] 戚亮杰 董凯利[2] XUE Jianyang LI Yadong WANG Ge QI Liangjie DONG Kaili(School of Civil Engineering, Xi＇an University of Architecture ＆ Technology, Xi＇an 710055, China Northwestern Architectural Design Institute Co. Ltd, Xi＇ an 710018, China)

机构地区：[1]西安建筑科技大学土木工程学院,西安710055 [2]中国建筑西北设计研究院有限公司,西安710018

出　　处：《工业建筑》2017年第10期1-7,共7页Industrial Construction

基　　金：国家科技支撑计划课题(2014BAL06B03);中建股份科技研发课题(CSCEC-2012-16)

摘　　要：为研究传统风格建筑钢框架结构的抗震性能,对缩尺比1∶2的一榀钢框架结构进行拟动力试验,在峰值加速度不大于400 cm/s^2的El Centro波、Taft波、兰州人工波和汶川波作用下,结构基本处于弹性阶段。在峰值加速度为620 cm/s^2的汶川波作用下,部分斗栱屈服,抗震性能优越。对模型进行动力弹塑性时程分析,结果表明:在400 cm/s^2和620 cm/s^2时,所得的位移时程曲线和加速度时程曲线与试验结果有较高的吻合度,说明了动力时程分析的合理性。在800 cm/s^2时,柱节点处的斗栱已大面积屈服,且梁端应力也接近屈服强度,分析可得构件的屈服顺序是斗栱先屈服,然后梁端屈服,最后柱端屈服。该传统风格建筑钢框架结构的斗栱起到了第一道抗震设防的作用,具有良好的抗震性能。In order to study the seismic performance of steel frame structure of traditional style buildings,the pseudodynamic test of steel frame structure with scale of 1 ∶ 2 was carried out. Under the action of El Centro waves,Taft waves,Lanzhou artificial waves and Wenchuan waves,the structure was in the elastic stage. Under the action of Wenchuan waves with a peak acceleration of 620 cm/s^2,some brackets yielded and had excellent seismic performance. The results showed that the time-history curves and the acceleration time-history curves were in good agreement with the experimental results at 400 cm/s^2 and 620 cm/s^2,which verified the rationality of the dynamic time-history analysis. At 800 cm/s^2,a large area of the bucket at the column joint had yielded,and the stress at the beam end was close to the yield strength. The yield order of the available components was the first yield to the bucket,and then the beam ends,and finally the column ends. The bucket of steel frame structure of traditional style buildings played the role of the first seismic action,with good seismic performance.

关 键 词：传统风格建筑 钢框架结构 拟动力试验 ABAQUS 抗震性能 弹塑性时程分析 

分 类 号：TU352.11[建筑科学—结构工程] TU391