INTRODUCTION OF THE MAIN CONTENTS OF STRUCTURAL FIRE DESIGN IN EUROCODE OF DESIGN OF CONCRETE STRUCTURES(Ⅱ)——SIMPLIFIED CALCULATION METHOD FOR FIRE DESIGN BASED ON MEMBERS AND SIMPLIFIED JUDGMENT METHOD FOR CONCRETE SPALLING SUBJECTED TO FIRE
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摘要: 简要介绍了欧洲混凝土抗火设计规范(EC2-1-2)提供的基于构件分析的简化抗火计算方法与火灾下结构构件混凝土爆裂的简化判别方法,并指出需进一步研究的问题,供我国混凝土与预应力混凝土结构抗火设计及相关标准修订时参考。Abstract: The contents of simplified calculation method for fire design based on members and simplified judgment method for concrete spalling subjected to fire in EC2-1-2 are briefly introduced.Some issues that to be further investigated are presented.It can be served as reference for reinforced concrete(RC) and prestressed concrete(PC) structural fire design and for revising relevant standards in China.
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Key words:
- RC and PC structures /
- EC2 /
- simplified calculation method for fire design /
- spalling
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[2] 侯晓萌,郑文忠. 欧洲规范中混凝土结构抗火设计主要内容(1)--火灾下荷载效应、材料性能与基于表格的抗火设计方法[J].工业建筑,2008,(04):98-103. Eurocode 2 (2003).Design of Concrete Structures,Part 1-2:General Rules--Structural Fire Design.prEN[Z].1992. [3] Lie T T,Woollerton J L. Fire resistance of Reinforced Concrete Columns[M].Quebec:National Research Council of Canada,1988. [4] Bratina S,Saje M,Planinc I. The Effects of Different Strain Contributions on the Response of RC Beams in Fire[J].Engineering Structures,2006,(07):1236-1249.doi: 10.1016/j.engstruct.2006.05.008. [5] 郑文忠,许名鑫,石东升. 火灾下预应力板混凝土爆裂规律试验研究[J].土木工程学报,2006,(10):48-53.doi: 10.3321/j.issn:1000-131X.2006.10.008. [6] Eurocode 2 (2005):Design of Concrete Structures,Part 1:General Rules and Rules for Buildings.prEN[Z].1992. [7] DG/TJ 08-008-2000.上海市工程建设规范-建筑钢结构防火技术规程[S].
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