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...
-  2018 

圆钢管混凝土构件抗弯性能数值分析与承载力计算 Numerical analysis of concrete filled circular steel tube under bending load and its calculating method

Keywords: 圆钢管混凝土,抗弯性能,数值分析,承载力

Full-Text   Cite this paper   Add to My Lib

Abstract:

根据考虑强化的弹塑性钢材本构关系和约束核心混凝土本构关系,对圆形截面钢管混凝土构件进行截面划分,采用条带法计算了圆形截面钢管混凝土构件的弯矩-曲率关系曲线,分析结果表明,截面中性轴位置主要和套箍系数有关,通过对不同参数试件的分析计算,拟合得出截面中性轴位置的计算方法;对极限状态下钢管和混凝土的应力分布进行简化,基于截面内力平衡理论推导出圆钢管混凝土构件的抗弯承载力计算公式,并与试验结果进行对比,公式计算结果和试验结果吻合较好,计算结果总体上偏于安全,该公式可以有效计算圆钢管混凝土构件的抗弯承载力

References

[1]  臧华,刘钊,涂永明.计算圆钢管混凝土构件抗弯承载力的新方法[J].武汉理工大学学报,2009,31(17):96-98.Zang Hua,Liu Zhao,Tu Yongming.A new method for predicting ultimate flexural capacity of concretefilled circular steel tubes[J].Journal of Wuhan University of Technology,2009,31(17):96-98.
[2]  吉伯海,胡正清,陈甲树,等.圆钢管轻集料混凝土构件抗弯性能的试验研究[J].土木工程学报,2007,40(8):35-40.Ji Bohai,Hu Zhengqing,Chen Jiashu,et al.An experimental study on the behavior of lightweight aggregate concrete filled circular steel tubes under pure bending load[J].China Civil Engineering Journal,2007,40(8):35-40.
[3]  丁发兴,余志武.圆钢管自密实混凝土纯弯力学性能[J].交通运输工程学报,2006,6(1):63-78.Ding Faxing,Yu Zhiwu.Pure bending properties of self-compacting concrete filled circular steel tube[J].Journal of Traffic and Transportation Engineering,2006,6(1):63-78.
[4]  朱莉萍,熊杰.圆形截面偏心受压构件的等效应力图形设计方法[J].工业建筑,2001,31(5):75-77.Zhu Liping,Xiong Jie.A design method of eccentrically compressed round-section memberwith equivalent stress figure[J].Industrial Construction,2001,31(5):75-77.
[5]  王庆华,熊志斌.钢筋混凝土截面等效矩形应力图系数的计算[J].南昌工程学院学报,2011,30(6):58-61.Wang Qinghua,Xiong Zhibin.Calculation of equivalent rectangular stress block coefficients of reinforced concrete section[J].Journal of Nanchang Institute of Technology,2011,30(6):58-61.
[6]  Manojkumar V C,Mattur C N,Kulkarnib S M.Axial strength of circular concrete-filled steel tube columnsDOE approach[J].Journal of Constructional Steel Research,2010,66(10):1248-1260.
[7]  黄宏,张安哥.圆钢管混凝土抗弯承载力的计算[J].华东交通大学学报,2008,25(1):1-3.Huang Hong,Zhang Ange.The calculation of flexural capacity of concrete-filled circular steel tubes[J].Journal of East China Jiaotong University,2008,25(1):1-3.
[8]  王庆利,董志峰,高建志.圆截面钢管混凝土受弯构件试验研究[J].四川建筑科学研究,2007,33(3):9-12.Wang Qingli,Dong Zhifeng,Gao Jianzhi.Experimental study on concrete filled circular steel tubular flexural members[J].Sichuan Building Science,2007,33(3):9-12.
[9]  高金东,刘清,何原野,等.圆钢管自密实混凝土梁的抗弯承载力研究[J].混凝土,2014,(5):35-40.Gao Jindong,Liu Qing,He Yuanye,et al.Research on bending capacity of self-compacting concrete filled circle steel tubular beam[J].Concrete,2014,(5):35-40.
[10]  蔺海晓,常旭,黄承逵,等.钢管自应力混凝土抗弯性能研究[J].河南理工大学学报(自然科学版),2009,28(3):357-362.Lin Haixiao,Chang Xu,Huang Chenkui,et al.Study on the mechanical performance of self-stressing concrete-filled steel tube short column under cure bending[J].Journal of Henan Polytechnic University(Natural Science),2009,28(3):357-362.
[11]  Architectural Institute of Japan(AIJ).Recommendations for Design and Construction of Concrete Filled Steel Tubular Structures[S].Architectural Institute of Japan(AIJ),Tokyo,Japan,1997.
[12]  钟善桐.钢管混凝土结构[M].第3版:北京:清华大学出版社,2003.Zhong Shantong.The Concrete-Filled Steel Tubular Structures[M].3rd edition.Beijing:Tsinghua University Press,2003.
[13]  Chunga K,Parkb S,Choib S.Material effect for predicting the fire resistance of concrete-filleds quare steel tube column under constant axial load[J].Journal of Constructional Steel Research,2008,64(12):1505-1515.
[14]  Denavit,Mark D,Hajjar,et al.Nonlinear seismic analysis of circular concrete filled steel tube members and frames[J].Journal of Structural Engineering,2012,138(9):1089-1098.
[15]  韩林海.钢管混凝土结构——理论与实践[M].北京:科学出版社,2007.Han Linhai.Concrete Filled Steel Tube Structure—Theory and Practice[M].Beijing:Science Press,2007.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133