|本期目录/Table of Contents|

[1]张园园,贡金鑫.混凝土结构钢筋构造对比分析[J].建筑科学与工程学报,2012,29(01):70-86.
 ZHANG Yuan-yuan,GONG Jin-xin.Comparative Analysis of Rebar Detailing for RC Structures[J].Journal of Architecture and Civil Engineering,2012,29(01):70-86.
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
29卷
期数:
2012年01期
页码:
70-86
栏目:
出版日期:
2012-03-30

文章信息/Info

Title:
Comparative Analysis of Rebar Detailing for RC Structures
作者:
张园园贡金鑫
大连理工大学 建设工程学部,辽宁 大连 116024
Author(s):
ZHANG Yuan-yuan GONG Jin-xin
Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China
关键词:
钢筋混凝土 钢筋 锚固长度 延伸长度 构造
Keywords:
reinforced concrete rebar anchorage length development length detailing
分类号:
TU375.1
DOI:
-
文献标志码:
A
摘要:
对比研究了中国规范GB 50010—2002、美国规范ACI 318-08和欧洲规范EN 1991-1-1:2004中钢筋锚固长度和搭接长度、受弯构件中钢筋的截断及框架梁柱节点的钢筋细部构造,分析了钢筋强度、钢筋直径、钢筋间距、混凝土强度和保护层厚度等因素对钢筋锚固和搭接长度的影响。结果表明:对于钢筋锚固长度,EN 1992-1-1:2004计算值最小,ACI 318-05简化方法的计算值最大,中国规范的居中; 对于钢筋搭接长度,在材料因素相同、钢筋搭接接头面积百分率较小的情况下,GB 50010—2002和ACI 318-08的计算结果较EN 1991-1-1:2004的要大; 对于钢筋的截断,EN 1991-1-1:2004考虑了斜裂缝引起的钢筋拉应力的增大,钢筋截断的延伸长度较GB 50010—2002和ACI 318-08的要大。
Abstract:
Anchorage length and splicing length of rebar, cut-off of tensile reinforcement and the detailing of beam-to-column joints of frames based on GB 50010—2002, ACI 318-08 and EN 1992-1-1:2004 were comparatively studied. Meanwhile, the effects of the rebar strength, rebar diameter, spacing of rebars, concrete strength and thickness of concrete cover on anchorage and splicing length calculated according to the aforementioned standard were analyzed. Results show that the anchorage length of rebar calculated according to EN 1992-1-1:2004 is smaller than Chinese code and ACI code, and ACI code is the greatest. With regard to the splicing length, based on the same material factors and low overlap ratio, calculations of Chinese code and ACI code are greater than European code. For cut-off of tensile rebar, the development length of rebar based on European code is greater than Chinese code and ACI code as a result of considering the increase of tensile stresses due to diagonal cracks into account.

参考文献/References:

[1] GB 50010—2002,混凝土结构设计规范[S]. GB 50010—2002,Code for Design of Concrete Structures[S].
[2]ACI 318-08,Building Code Requirements for Structural Concrete(ACI 318-08)and Commentary[S].
[3]EN 1992-1-1:2004,Eurocode 2:Design of Concrete Structures.Part 1-1:General Rules and Rules for Buildings[J].
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[9]沈在康.混凝土结构设计新规范应用讲评[M].北京:中国建筑工业出版社,1993. SHEN Zai-kang.Comment and Appraise of New Code for Design of Concrete Structures[M].Beijing:China Architecture & Building Press,1993.
[10]过镇海,方鄂华,庄崖屏.混凝土结构设计[M].北京:中国建筑工业出版社,2003. GUO Zhen-hai,FANG E-hua,ZHUANG Ya-ping.Design of Concrete Structures[M].Beijing:China Architecture & Building Press,2003.
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[12]The Institution of Structure Engineers.Standard Method of Detailing Structure Concrete[M].3rd ed.London:the Institution of Structure Engineers,2006.

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备注/Memo

备注/Memo:
收稿日期:2011-11-10
基金项目:“十一五”国家科技支撑计划项目(2006BAJ01B06-06)
作者简介:张园园(1987-),女,山东济南人,工学硕士研究生,E-mail:sofia19870108@163.com。
更新日期/Last Update: 2012-03-20