|本期目录/Table of Contents|

[1]蒋丽忠,汤裕坤.钢-混凝土组合框架梁的稳定设计方法[J].建筑科学与工程学报,2007,24(04):29-33.
　JIANG Li-zhong,TANG Yu-kun.Approach for Design of Stability of Steel-concrete Composite Frame Beam[J].Journal of Architecture and Civil Engineering,2007,24(04):29-33.
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
24卷
期数:
2007年04期
页码:
29-33
栏目:
出版日期:
2007-12-20

文章信息/Info

Title:
Approach for Design of Stability of Steel-concrete Composite Frame Beam
作者:
蒋丽忠1,汤裕坤1,2
1. 中南大学 土木建筑学院,湖南 长沙 410075; 2. 安徽省港航勘测设计院,安徽 合肥 230011
Author(s):
JIANG Li-zhong1, TANG Yu-kun1,2
1. School of Civil Engineering and Architecture, Central South University, Changsha 410075, Hunan, China; 2. Survey and Design Institute of Harbor Channel of Anhui Province, Hefei 230011, Anhui, China
关键词:
钢-混凝土组合框架梁;  塑性角;  半刚性连接;  调幅系数
Keywords:
steel-concrete composite frame beam;  plastic angle;  semi-rigid connection;  amplitude modulation parameter
分类号:
TU398.2
DOI:
-
文献标志码:
A
摘要:
在已有的钢-混凝土组合梁和钢框架理论研究基础上,分析了影响组合梁负弯矩区转动能力的主要因素,建立了组合梁连续和钢柱连续两种组合框架结构体系的节点塑性极限转角的求解方法,提出了相应的计算公式及一种简化的组合框架梁稳定设计方法,并得出了组合梁负弯矩极限调幅系数的计算方法。结果表明,该设计方法可以使组合框架塑性铰处的内力充分重分布,使梁柱连接的转动刚度合理,也能使组合梁的设计达到充分利用组合效应及节点延性的目的。
Abstract:
Based on the theoretical basis of steel-concrete composite beam and composite frame and the analysis of main influencing factors of negative bending moment rotation capacity, authors established an approach for design of stability of composite beams in composite frames and deduced the bending moment amplitude modulation parameter for both beam-continuate and column-continuate composite frames. The corresponding computation formulae were proposed and a simplified stability design method for composite frame beams was introduced. The results show that roational stiffness is designed reasonably by redistributing internal force in plastic hinge of composite frames, and composite action and joint ductility can be used sufficiently

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2007-09-28
基金项目:国家自然科学基金项目(50438020); 国家自然科学基金项目(50778177)
作者简介:蒋丽忠(1971-),男,湖南衡山人,教授,博士生导师,工学博士,E-mail:lzhjiang@mail.csu.edu.cn。
更新日期/Last Update: 2007-12-20