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...

双层球面网壳动力失效分析及地震损失评估

, PP. 36-42

Keywords: 双层球面网壳,动力失效,初弯曲,残余应力,节点安装偏差

Full-Text   Cite this paper   Add to My Lib

Abstract:

双层球面网壳结构是一种缺陷敏感型结构,影响结构动力失效的初始缺陷主要有杆件的初弯曲、杆件的残余应力和结构节点的初始安装偏差3种。本文首先利用有限元软件ANSYS的二次开发功能开发了可以考虑初始弯曲和残余应力的杆单元,接着利用动力增量法(IDA)系统地研究了这3种缺陷对结构动力失效的影响,最后总结提出了考虑缺陷的双层球面网壳结构的抗震损失评估方法。

References

[1]  Guide to Ansys APDL Programmer’s Guide[M]. SASIP, INC, 1998.
[2]  Guide to Ansys UIDL Programmer’s Guide[M]. SASIP, INC, 1998.
[3]  支旭东, 范 峰, 沈世钊. 简谐荷载下单层球面网壳动力失效机理研究[J].地震工程与工程振动,2005,25(4):76-84. ZHI Xudong,FAN Feng,SHEN Shizhao.Failure mechanism of latticed shells subjected to harmonic actions[J].Jounrnal of Earthquake Engineering and Engineering Vibration.2005,25(4):76-84.(in Chinese)
[4]  杜文风.基于性能的空间网壳结构设计理论研究.杭州:浙江大学土木学院,2007. DU Wenfen.Research on performance-based design theory of spatial latticed shell structures.Zhejiang University:Civil Engineering College,2007.(in Chinese)
[5]  沈世钊, 陈 昕. 网壳结构稳定性[M]. 北京: 科学出版社,1999. SHENG Shizhao,CHEN Xin.Stability of reticulated shell[M].Beijing:Science Press.1999.(in Chinese)
[6]  Zhao H L, Ma J, Zhao C Q, et al. Key points in design of the sheet space structure system[J]. Int. J. Space Structures,2000,15(3): 233-238.
[7]  曹正罡,范 峰,沈世钊.单层球面网壳结构弹塑性稳定性能研究[J]. 工程力学,2007,24(5): 17-23. CAO Zhenggang,FAN Feng,SHEN Shizhao.Elasto-plastic stability analysis of single layer latticed domes[J].Engineering Mechanics.2007,24(5):17-23.(in Chinese)
[8]  张爱林, 张晓峰, 葛家琪,等.2008奥运羽毛球馆张弦网壳结构整体稳定分析中初始缺陷的影响研究[J]. 空间结构,2006,11(4):9-12. ZHANG Ailin,ZHANG Xiaofeng,GE Jiaqi,et al.Influence of initial geometrical imperfections on stability of a suspendome for badminton arena for 2008 Olympic Games[J].Spatial Structures.2006,11(4):9-12.(in Chinese)
[9]  夏志斌, 姚 谏. 钢结构-原理与设计[M]. 北京: 中国建筑工业出版社, 2006. XIA Zhibing,YAO Jian.Steel structure-principle and design[M].Beijing:China Architecture & building Press,2006.
[10]  孙训方. 材料力学[M].北京:高等教育出版社,1994. SUN Xunfang.Mechanics of materials[M].Beijing:Higher Education Press,1994.
[11]  Chen W F, Kim S E. LRFD steel design using advanced analysis[M]. Boca Raton, Florida: CRC Press, 1997.
[12]  Guide to Ansys User Programmable Features[M]. SASIP, INC, 1998.
[13]  沈世钊,支旭东.球面网壳结构在强震下的失效机理[J].土木工程学报,2005,38(1):11-20. SHEN Shizhao.ZHI Xudong.Failure mechanism of reticular shells subjected to dynamic actions[J].China Civil Engineering Journal,2005,38(1):11-20.(in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133