- 摘 要
-
［摘要］采用試驗的方法對中海廣場鋼管混凝土柱-鋼梁節(jié)點的性能進行了研究,得出該種節(jié)點的破壞形式、主要力學(xué)性能指標(biāo)以及加強環(huán)上的應(yīng)力分布。試驗結(jié)果表明該種節(jié)點形式的承載力高、延性好，節(jié)點區(qū)加強環(huán)受力均勻，滿足“強柱弱梁”的設(shè)計原則。對試驗節(jié)點進行了有限元分析，數(shù)值分析結(jié)果與試驗數(shù)據(jù)吻合較好，可為推廣該節(jié)點形式的工程應(yīng)用提供可靠依據(jù)。
［關(guān)鍵詞］鋼管混凝土柱；節(jié)點；試驗研究；有限元分析；應(yīng)力分布
中圖分類號：TU317.1文獻標(biāo)識碼：A文章編號：1002-848X(2011)09-0131-04
Research on the concrete-filled steel tubular column to steel beam joints of Zhonghai Square
Wei Dong1, Li Bo2, Chen Yi′ou1, Yang Qingshan2, Fan Baofeng2, Li Liang1(1 Beijing Institute of Architectural Design, Beijing 100045, China; 2 School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China)
Abstract:In order to investigate the mechanical behavior, the stress distribution in stiffening rings and the failure mode of concrete-filled steel tubular column to steel beam joints used in Zhonghai Square, the experimental method was conducted. The experimental results indicate that these joints which are new-type anti-seismic connections at present have a superior bearing capacity and good ductility, especially, excellent stress distribution in stiffening rings, which agrees in the ‘strong column-weak beam’ design principle and the results between finite element simulation and experiment take good agreement, which should be deserved to be generalized widely in the similar projects.
Keywords:concrete-filled steel tubular column; joint; experimental investigation; numerical analysis; stress distribution
*北京市建筑設(shè)計研究院的BIAD專項科研基金資助。
作者簡介：衛(wèi)東，男，博士，教授級高工，Email:weidong999999@yahoo.com.cn。
參考文獻
［1］韓林海.鋼管混凝土結(jié)構(gòu)［M］.北京：科學(xué)出版社，2000.
［2］宗周紅,葛繼平, 楊強躍.反復(fù)荷載作用下方鋼管混凝土柱與鋼梁連接節(jié)點非線性有限元分析［J］. 建筑結(jié)構(gòu)學(xué)報, 2006,27(2):75-81.
［3］于旭,劉偉慶,葛衛(wèi).新型方鋼管混凝土框架節(jié)點抗震性能試驗研究［J］. 地震工程與工程振動, 2004, 24(6): 79-82.
［4］SHIN K J， KIM Y J， OH Y S，et al．Behavior of welded CFT column to H-beam connections with external stiffeners［J］. Engineering Structure, 2004,26(7): 1877-1887.
［5］KOESTER B. Panel zone behavior of moment connections between rectangular concrete-filled steel tubes and wide flange beams［D］. Dep. of Civil and Environmental Engineering, University of Texas, Austin, Texas, 2000.
［6］王礫瑤，張勇，邊永豐.鋼管混凝土柱與鋼梁隔板貫通式節(jié)點抗震性能研究［J］. 建筑結(jié)構(gòu)學(xué)報, 2010(增刊):398-403.
［7］06SG524 鋼管混凝土結(jié)構(gòu)構(gòu)造［S］.
［8］邱法維，錢稼茹，陳志鵬. 結(jié)構(gòu)抗震試驗方法［M］.北京：科學(xué)出版社，2000.
［9］JGJ101—96 建筑抗震試驗方法規(guī)程［S］.
［10］ANSYS 非線性分析指南［M］.2000.
