|本期目录/Table of Contents|

[1]屈文俊,方瑾,周国全.混凝土受弯构件受拉钢筋最小配筋率[J].建筑科学与工程学报,2011,28(01):6-10.
　QU Wen-jun,FANG Jin,ZHOU Guo-quan.Minimum Reinforcement Ratio of Tensile Reinforcement for Concrete Flexural Members[J].Journal of Architecture and Civil Engineering,2011,28(01):6-10.
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
28卷
期数:
2011年01期
页码:
6-10
栏目:
出版日期:
2011-03-20

文章信息/Info

Title:
Minimum Reinforcement Ratio of Tensile Reinforcement for Concrete Flexural Members
作者:
屈文俊,方瑾,周国全
同济大学 土木工程学院,上海 200092
Author(s):
QU Wen-jun, FANG Jin, ZHOU Guo-quan
School of Civil Engineering, Tongji University, Shanghai 200092, China
关键词:
钢筋混凝土;  受弯构件;  受拉钢筋;  最小配筋率;  抗震框架梁
Keywords:
reinforced concrete;  flexural member;  tensile reinforcement;  minimum reinforcement ratio;  seismic frame beam
分类号:
TU352.1
DOI:
-
文献标志码:
A
摘要:
简述了中国不同时期的混凝土设计规范对非抗震情况和抗震情况下受拉钢筋最小配筋率的取值及确定原则,同时对比分析了各国混凝土设计规范中2种情况下混凝土受弯构件受拉钢筋最小配筋率的规定及确定方法; 通过实例对各国规范的最小配筋率取值进行了比较,建议了最小配筋率的确定原则。结果表明:各国规范多以“截面开裂后,构件不致立即失效”为确定最小配筋率的原则,但对非抗震构件所取的最小配筋率相差较大,对抗震区最小配筋率的取值,除中国规范偏低外,其他国家规范大体相当。
Abstract:
Authors simply analyzed the minimum reinforcement ratio and its determination principles under the non-seismic-resistance and seismic-resistance situations, which were referred to the Chinese concrete design codes in different periods. Meanwhile, the values and determinations of the minimum reinforcement ratio of tensile reinforcement for concrete flexural members under two circumstances were comparative analyzed. Limiting values of the minimum reinforcement ratios in different codes were compared through an example, and the method to determine the minimum reinforcement ratios was suggested. The results show that the concrete design codes of different countries described “the member is not failure immediately after cracking” as the principle to determine the minimum reinforcement ratio. There is a big difference on the minimum reinforcement ratio for non-seismic-resistance member in each code, but for seismic-resistance area, the reinforcement ratio is quite similar in each code, except that the reinforcement ratio in Chinese code is lower than the others.

参考文献/References:

[1] 徐友邻,周 氐.混凝土结构设计规范理解与应用[M].北京:中国建筑工业出版社,2002. XU You-lin,ZHOU Di.Comprehension and Application on Code for Design of Concrete Structures[M].Beijing:China Architecture & Building Press,2002.
[2]GB 50010—2002,混凝土结构设计规范[S]. GB 50010—2002,Code for Design of Concrete Structures[S].
[3]顾祥林.混凝土结构基本原理[M].上海:同济大学出版社,2004. GU Xiang-lin.Basic Principles of Concrete Structures[M].Shanghai:Tongji University Press,2004.
[4]ACI 318-05,Building Code Requirements for Structural Concrete(ACI 318-05)and Commentary[S].
[5]CSA A23.3-04,Design of Concrete Structures[S].
[6]CEB-FIP,Model Code 1990[S].
[7]EN 1992-1-1:2004,Eurocode 2:Design of Concrete Structures.Part 1-1:General Rules and Rules for Buildings[S].
[8]EN 1998-1-1:2004,Eurocode 8:Design of Structures for Earthquake Resistance.Part 1:General Rules,Seismic Actions and Rules for Buildings[S].
[9]DIN 1045-1,Plain,Reinforced and Presressed Concrete Structures.Part-1:Design and Construction[S].
[10]BS 8110-1:1997,Structural Use of Concrete.Part 1:Code of Practice for Design and Construction[S].

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备注/Memo

备注/Memo:
收稿日期:2010-12-28
基金项目:国家自然科学基金项目(50678127)
作者简介:屈文俊(1958-),男,河南辉县人,教授,博士研究生导师,工学博士,E-mail:quwenjun@online.sh.cn。
更新日期/Last Update: 2011-03-20