高温后钢筋与混凝土局部黏结滑移关系_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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高温后钢筋与混凝土局部黏结滑移关系

Relationship between Rebar and Concrete Subjected to Bond-slip after High Temperature

２０15年第11期

黏结滑移；钢筋；混凝土；高温

Bond-slip；Rebar；Concrete；High temperature

２０15年第11期

1000-4637（2015）11-34-03

国家自然科学基金项目（51378397）

廖杰洪

中铁上海设计院集团有限公司，200070

廖杰洪

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1000

摘要：对高温后钢筋和混凝土之间黏结强度的既有试验数据进行统计分析，给出了不同温度作用后带肋钢筋与混凝土之间相对残余黏结强度的均值和均方差。分析结果表明，其数据符合正态分布，在此基础上建立了高温作用后钢筋与混凝土相对黏结残余强度均值和具有95%保证率的分位值随温度变化的表达式。统计了光圆钢筋与混凝土之间残余黏结强度随所经历最高温度的表达式，给出了高温后钢筋与混凝土局部黏结滑移本构关系模型。 Abstract：The existing test data on the residual bonding strength between fire-damaged concrete and rebar were collected and analyzed. The mean values and variances of the residual bonding strength between ribbed bars and concrete subjected to different temperature are presented. The analysis shows that the data conforms to normal distribution, thus two formulas are established for relationship between the elevated temperature and the mean value as well as the value with a guarantee rate of 95%. The relationship of temperature and the residual bonding strength between round bar and concrete is also presented. At last the local bond-slip constitutive relationship model is put forward.

英文名 : Relationship between Rebar and Concrete Subjected to Bond-slip after High Temperature

刊期 : ２０15年第11期

关键词 : 黏结滑移；钢筋；混凝土；高温

Key words : Bond-slip；Rebar；Concrete；High temperature

刊期 : ２０15年第11期

DOI :

文章编号 : 1000-4637（2015）11-34-03

基金项目 : 国家自然科学基金项目（51378397）

作者 : 廖杰洪

单位 : 中铁上海设计院集团有限公司，200070

廖杰洪

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

摘要

参数

结论

参考文献

引用本文

Abstract：The existing test data on the residual bonding strength between fire-damaged concrete and rebar were collected and analyzed. The mean values and variances of the residual bonding strength between ribbed bars and concrete subjected to different temperature are presented. The analysis shows that the data conforms to normal distribution, thus two formulas are established for relationship between the elevated temperature and the mean value as well as the value with a guarantee rate of 95%. The relationship of temperature and the residual bonding strength between round bar and concrete is also presented. At last the local bond-slip constitutive relationship model is put forward.

关键词:

黏结滑移；钢筋；混凝土；高温

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高温后钢筋与混凝土局部黏结滑移关系

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