火灾下复杂拉力场钢板剪力墙屈曲后的上限塑性极限分析

张荣钢; 张宏涛; 石永久; 庄茁

doi:10.6052/j.issn.1000-4750.2013.10.0925

火灾下复杂拉力场钢板剪力墙屈曲后的上限塑性极限分析

张荣钢^{1, 4,},
张宏涛²,
石永久³,
庄茁¹

1.
清华大学航院工程力学系, 北京 100084;
2.
北方工业大学建筑工程学院, 北京 100144;
3.
清华大学土水学院土木系, 北京 100084;
4.
中国寰球工程公司, 北京 100012

基金项目: 国家“十二五”科技支撑项目(百万吨级乙烯成套工艺技术、关键装备研发及示范应用项目)(2012BAF05B00)

详细信息

作者简介:
张宏涛(1978-), 男, 潍坊人, 副教授, 博士, 从事结构力学和结构抗火的教学和研究 E-mail:zhanghongtao95@tsinghua.org.cn;石永久(1962-), 男, 黑龙江鸡东人, 教授, 博士, 博导, 从事高层钢结构抗震研究 E-mail:shiyj@mail.tsinghua.edu.cn;庄茁(1952-), 男, 沈阳人, 教授, 博士, 博导, 从事非线性有限元和结构力学的教学和研究 E-mail:zhuangz@mail.tsinghua.edu.cn.

通讯作者:
张荣钢 (1961-), 男, 鞍山人, 教授级高工, 博士生, 从事石化建筑结构设计和结构抗火研究 E-mail: zrg09@mails.tsinghua.edu.cn

中图分类号: O344.5
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出版历程
- 收稿日期: 2013-10-08
- 刊出日期: 2014-05-24

POST BUCKLING UPPER BOUND PLASTIC-LIMIT ANALYSIS OF FIRE RESISTANCE FOR MULTI-TENSION STEEL PLATE SHEAR WALLS

1.
Department of Engineering Mechanics, School of Aerospace, Tsinghua University, Beijing 100084, China;
2.
The College of Architecture and Civil Engineering, North China University of Technology, Beijing 100144, China;
3.
Department of Civil Engineering, Tsinghua University, Beijing 100084, China;
4.
China Huanqiu Contracting & Engineering Corpotation, Beijing 100012, China

摘要

摘要: 基于塑性极限分析上限法理论, 提出了火灾下高温复杂拉力场的窄型钢板剪力墙屈曲后的拉力带模型TSM(Temperature String Model), 依据此假定推导了考虑变温场极限状态下窄型钢板剪力墙屈曲后的水平承载力计算上限解公式, 对火灾温度场下窄型钢板剪力墙屈曲后强度进行了研究, 还推导了火灾下复杂拉力场的两端不同温度场钢板剪力墙屈曲后的水平承载力计算上限解。利用上述方法对石化裂解炉的钢箱体结构进行了抗火极限分析。计算实例表明该方法简单有效, 可以为不同火灾场景下钢箱体结构抗火设计提供理论依据和实用的计算方法。
- 窄型钢板剪力墙 /
- 屈曲后承载力 /
- 复杂温度拉力带模型TSM /
- 上限塑性极限分析 /
- 抗火设计
Abstract: Based on the upper bond plastic-limit analysis theorem, the assumptions of a Temperature String Model (TSM) of post buckling for multi-tension narrow Steel Plate Shear Wall (SPSW) under fire are summarized, and the upper bound solutions of the allowable shear force of SPSW are deduced. The post buckling bearing properties of narrow SPSW are researched under fire. Also the post buckling for the multi-tension Steel Plate Shear Wall (SPSW) with differing temperature between two ends are summarized, and the upper bound solutions of the allowable shear force of SPSW are deduced. The fire resistance limit analysis of SPSW is studied in the petrochemical furnace equipment, for which the fireproof protection is designed. The application examples indicate that this method is simple and useful, and it can provide a theoretical and practical way for the different fire situation designs of SPSW structures.
- narrow steel plate shear wall /
- post bucking bearing property /
- multi-tension temperature string model?(TSM) /
- upper bound plastic limit analysis /
- fire design

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参考文献(19)

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文章访问数: 328
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火灾下复杂拉力场钢板剪力墙屈曲后的上限塑性极限分析

通讯作者: 张荣钢 (1961-), 男, 鞍山人, 教授级高工, 博士生, 从事石化建筑结构设计和结构抗火研究 E-mail: zrg09@mails.tsinghua.edu.cn

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POST BUCKLING UPPER BOUND PLASTIC-LIMIT ANALYSIS OF FIRE RESISTANCE FOR MULTI-TENSION STEEL PLATE SHEAR WALLS

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目录

通讯作者:
张荣钢 (1961-), 男, 鞍山人, 教授级高工, 博士生, 从事石化建筑结构设计和结构抗火研究 E-mail: zrg09@mails.tsinghua.edu.cn