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...

网架结构耐火性能分析

Keywords: 网架,火灾,耐火性能,拉力膜效应

Full-Text   Cite this paper   Add to My Lib

Abstract:

为了解火灾下网架结构的力学性能,建立了考虑热传导的网架结构耐火性能分析的热力耦合模型,并对典型网架结构的耐火性能进行了分析,研究了火灾场景对网架耐火性能的影响规律、火灾下网架结构的变形和受力机理、应力应变的分布和变化规律.研究表明:火灾场景对网架结构变形方式有明显的影响,受火后期中部火灾场景网架中出现了明显的拉力膜效应,网架结构耐火极限状态应以变形为准.

References

[1]  李国强,韩林海,楼国彪,等.钢结构与钢-混凝土组合结构抗火设计[M].北京:中国建筑工业出版社,2006.
[2]  李国强,杜咏.实用大空间建筑火灾空气升温经验公式[J].消防科学与技术,2005,24(3):283-287.LI Guo-qiang,DU Yong.Utility temperature elevationempirical formula in large space fire[J].Fire Science andTechnology,2005,24(3):283-287.(in Chinese)
[3]  白音,石永久,王元清.火灾下大空间温度场的数值模拟分析[J].中国安全科学学报,2006,16(1):34-38.BAI Yin,SHI Yong-jiu,WANG Yuan-qing.Numericalsimulation analysis on temperature field for large-spacestructures under fire[J].China Safety Science Journal,2006,16(1):34-38.(in Chinese)
[4]  薛素铎,梁劲,李雄彦.排烟方式对大空间建筑火灾空气升温的影响[J].防灾减灾工程学报,2010,30(5):528-542.XUE Su-duo,LIANG Jin,LI Xiong-yan.Effect of smokeemission system on fire temperature rise in large spacestructures[J].Journal of Disaster Prevention andMitigation Engineering,2010,30(5):528-542.(inChinese)
[5]  British Standards Institution.BSEN 1991-1-2:2002Eurocode 1:Actions on structures-Part 1-2:Generalactions-Actions on structure exposed to fire[S].Brussels:European Committee for Standardization,2002.
[6]  British Standards Institution.BSEN 1991-1-2:2005Eurocode 3:Design of Steel Structures-Part 1-2:Generalrules-Structural fire design[S].Brussels:EuropeanCommittee for Standardization,2005.
[7]  International Organization for Standardization.ISO834-1:1999 Fire resistance tests-element of buildingconstruction-Part 1:General requirement[S].Geneva:International Organization for Standardization,1999.
[8]  姜兰潮,杨乃勰.钢网壳抗火非线性有限元分析[J].中国安全科学学报,2006,16(2):39-42.JIANG Lan-chao,YANG Nai-xie.Non-linear finiteelement analysis of fire resistance for steel truss dome[J].China Safety Science Journal,2006,16(2):39-42.(inChinese)
[9]  李国强,郭世雄,蒋首超,等.上海南站钢屋盖结构性能化抗火安全评估[J].建筑钢结构进展,2005,7(2):31-36.LI Guo-qiang,GUO Shi-xiong,JIANG Shou-chao,et alAnalysis of the fire safety of the steel roof construction ofshang hai south rail way station[J].Progress in SteelBuilding Structures,2005,7(2):31-36.(in Chinese)
[10]  邱林波,薛素铎.火灾下单层球面网壳的非线性有限元分析[J].防灾减灾工程学报,2010,30(5):533-537.QIU Lin-bo,XUE Su-duo.Nonlinear finite elementanalysis of single layer reticulated dome under fire[J].Joural of Disaster Prevention and Mitigation Engineering,2010,30(5):533-537.(in Chinese)
[11]  中国工程建设标准化协会.CECS 200:2006.建筑钢结构防火技术规范[S].北京:中国计划出版社,2006.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133