全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
工程力学  2013 

钢管混凝土哑铃形截面构件抗扭承载力研究

DOI: 10.6052/j.issn.1000-4750.2012.03.0167, PP. 68-74

Keywords: 钢管混凝土,哑铃形截面,扭转,承载力,试验

Full-Text   Cite this paper   Add to My Lib

Abstract:

开展了钢管混凝土哑铃形截面构件的约束扭转试验,以试验为基础建立了有限元模型,并进行了哑铃形截面抗扭承载力计算公式的推导并利用有限元加以验证,研究结果表明:钢管混凝土哑铃形截面构件表现出较好的扭转弹塑性性能;提高腹腔宽度可较为显著地提高哑铃形构件的抗扭性能;但腹腔高度的增加对于提高构件抗扭承载力并不明显;哑铃形截面抗扭承载力为钢管和腹腔钢板、管内混凝土、腹腔混凝土三部分抗扭承载力之和,其中腹腔混凝土所占的比重在5%以下,在计算抗扭承载力时可以忽略,以此推导并简化的抗扭承载力计算公式,可以较为简便、准确地计算钢管混凝土哑铃形截面的抗扭承载力。

References

[1]  陈宝春,肖泽荣,韦建刚. 钢管混凝土哑铃形偏压构件试验研究[J]. (工程力学), 2005, 22(2): 89―95.Chen Baochun,Xiao Zerong,Wei Jiangang. Experiment study of concrete-filled steel tubular dumbbell shaped columns under eccentric loads [J]. Engineering Mechanics, 2005, 22(2): 89―95. (in Chinese)
[2]  陈宝春,黄福云,盛叶. 钢管混凝土哑铃形短柱轴压试验研究[J]. (工程力学), 2005, 22(1): 187―194.Chen Baochun,Huang Fuyun,Sheng Ye. Experimental study of dumbbell-sahped concrete-filled steeel tube columns under concentrical load [J]. Engineering Mechanics, 2005, 22(1): 187―194. (in Chinese)
[3]  陈宝春,盛叶,韦建刚. 钢管混凝土哑铃形梁受弯试验研究[J]. (工程力学), 2005, 22(4): 119―125.Chen Baochun,Sheng Ye,Wei Jiangang. Experimengtal study of concrete filled steel tubular dumbbell shaped beam under bending [J]. Engineering Mechanics, 2005, 22(4): 119―125. (in Chinese)
[4]  陈宝春,盛叶. 钢管混凝土哑铃形拱面内极限承载力研究[J]. (工程力学), 2009, 26(9): 94―104.Chen Baochun,Sheng Ye. Research on load-carrying capacity of concrete filled steel tubular dumbbell shaped rib arch under in-plane loads [J]. Engineering Mechanics, 2009, 26(9): 94―104. (in Chinese)
[5]  陈宝春. 钢管混凝土拱桥计算理论研究进展[J]. (土木工程学报), 2003, 36(12): 47―57.Chen Baochun. State-of-the-art theory of calculation for concrete-filled steeel tubular arch bridge [J]. China Civil Engineering Journal, 2003, 36(12): 47―57. (in Chinese)
[6]  徐积善,周竞. 钢管混凝土中长柱在压扭复合受力下的试验研究[J]. (哈尔滨建筑工程学院学报), 1991, 24(增刊): 43―50.Xu Jishan,Zhou Jing. The eperimental research of the concrete-filled steel tubular slender column under combined compression and torsion [J]. Journal of Harbin University of Civil Engineering and Architecture, 1991, 24(Suppl): 43―50. (in Chinese)
[7]  金伟良,葛中桂,曲晨,等. 薄壁离心钢管混凝土构件抗扭试验研究[J]. (哈尔滨建筑大学学报), 2001, 36(增刊): 34―38.Jin Weiliang,Ge Zhonggui,Qu Chen,et al. Experimental study for centrifuge concrete-filled thin-walled steel tubular members [J]. Journal of Harbin University of Civil Engineering and Architecture, 2001, 36(Suppl): 34―38. (in Chinese)
[8]  陈宝春,李晓辉. 钢管混凝土(单圆管)约束扭转试验研究[J]. (福州大学学报(自然科学版)), 2008, 36(5): 735―739.Chen Baochun,Li Xiaohui. Experimental study on restricted torsion for concrete filled steel tube (single circular) [J]. Journal of Fuzhou University (Natural Science Edition), 2008, 36(5): 735―739. (in Chinese)
[9]  汤意. 郑州黄河公路二桥设计[J]. (交通标准化), 2006(4): 129―132.Tang Yi. Design of the Second Yellow-river Highway Bridge in Zhengzhou [J]. Communications Standardization, 2006(4): 129―132. (in Chinese)
[10]  李晓辉,韦建刚,陈宝春. 钢管混凝土构件受扭有限元非线性分析方法[J]. (福州大学学报(自然科学版)), 2010, 38(3): 412―417.Li Xiaohui,Wei Jiangang,Chen Baochun. Nonlinear finite element methods on torsional mechanism for concrete filled steel tube [J]. Journal of Fuzhou University (Natural Science Edition), 2010, 38(3): 412―417. (in Chinese)
[11]  郭金琼,房贞政,郑振. 箱形梁设计理论[M]. 北京: 人民交通出版社, 1991: 55―56Guo Jinqiong,Fang Zhenzheng,Zheng Zhen. Design theory of box girder [M]. Beijing: China Communications Press, 1991: 55―56(in Chinese)
[12]  金伟良,袁伟斌. 基于破坏线模型的离心钢管混凝土扭转承载力[J]. (建筑结构学报), 2005, 26(2): 106―111.Jin Weiliang,Yuan Weibin. Torsional ultimate bearing capacity of centrifugal concrete filled steel tube based on model of failure line [J]. Journal of Building Structures, 2005, 26(2): 106―111. (in Chinese)
[13]  于光瑜,秦惠民. 材料力学[M]. 北京: 高等教育出版社, 1999: 73Yu Guangyu,Qin Huimin. Material mechanics [M]. Beijing: Higher Education Press, 1999: 73(in Chinese)
[14]  Chen Baochun,Wang Ton-Lo. Overview of concrete filled steel tube arch bridges in China [J]. Practice Periodical on Structural Design and Construction, ASCE, 2009, 14(2): 70―80.
[15]  陈宝春,刘福忠,韦建刚. 327座钢管混凝土拱桥的统计分析[J]. (中外公路), 2011, 31(3): 96―103.Chen Baochun,Liu Fuzhong,Wei Jiangang. Statistic analysis of 327 concrete filled steel tube arch bridges [J]. Journal of China and Foreign Highway, 2011, 31(3): 96―103. (in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133