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[1]成小飞,吴相豪,曾春华.混凝土徐变对碳纤维布加固钢筋混凝土梁的挠度影响[J].中国安全生产科学技术,2009,5(2):19-23.
　CHENG Xiao Fei,WU Xiang Hao,ZENG Chun Hua.The Concretes Creep Effects the deflection of reinforced concrete beams strengthened with carbon fiber sheet[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2009,5(2):19-23.
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混凝土徐变对碳纤维布加固钢筋混凝土梁的挠度影响()
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
5
期数:
2009年2
页码:
19-23
栏目:
出版日期:
2009-04-30

文章信息/Info

Title:
The Concretes Creep Effects the deflection of reinforced concrete beams strengthened with carbon fiber sheet
文章编号:
1673-193X(2009)-02-0019-05
作者:
成小飞; 吴相豪; 曾春华
上海海事大学
Author(s):
CHENG XiaoFei;  WU XiangHao;  ZENG ChunHua
Shanghai maritime university
关键词:
碳纤维布; 加固; 徐变; 中和轴; 刚度; 挠度
Keywords:
Carbon Fiber Reinforced Plastics;  strengthened;  creep;  neutral axis;  rigidity;  deflection
分类号:
X947
DOI:
-
文献标志码:
A
摘要:
根据混凝土徐变规律，推导CFRP加固钢筋混凝土梁的徐变计算公式，分析混凝土徐变对CFRP加固钢筋混凝土梁中和轴的影响，建立CFRP加固钢筋混凝土梁的挠度计算模型；通过实例分析、验证计算模型的有效性，研究成果可供碳纤维布加固钢筋混凝土结构设计参考。
Abstract:
By means of a concrete creep model deduced to a formula for calculating the creep of reinforced concrete beams strengthened with CFRP. Analysising the creep basis on this formula and setting down the concrete beam neutral axis, and its the impact of the deflection of the concrete beam. The results of this study have practical value to the application and design safe of CFRP for concrete structure in future.

参考文献/References:

［1］岳清瑞.CFRP加固修补混凝土结构新技术及应用［J］.高科技纤维与应用,1998,23(5). Yue Qingrui. New Technology and Application of Carbon Fiber Reinforced Plastics on Strengthening & Repairing Concrete Structures［J］.HITECH FIBER & APPLICATION,1998,23(5).［2］《碳纤维片材加固修复混凝土结构技术规程》(CECS146:2003). Introduction of the Technical Specification for Strengthening Concrete Structure with Carbon Fiber Reinforced Polymer Laminate(CECS146:2003).［3］CEBFIP Model Code for Concrete Structures 1990.Comite Eurointernational du Beton/Federation International de la Preconstrainte. Paris,1990.［4］惠荣炎,黄国兴,易若冰.混凝土的徐变［M］.北京:中国铁道出版设,1994. Hui Rongyan, Huang Guoxing, YI Ruobing. Concrete Creep［M］. Beijing:China Railway Publishing House, 1994.［5］Nikolaos Plevris,Thanasis C Triantafillou.Timedependent beahavior of RC members strengthened with FRP laminates［J］. Journal of structural Engineering.1994,120(3):1016～1041.［6］混凝土结构设计规范GB500102002［M］,北京：中国建筑工业出版社. Code For Design Of Concrete Structures GB500102002［M］, China Architecture & Building Press.［7］饶欣频.外贴碳纤维布加固钢筋混凝土梁的徐变试验研究:［湖南大学硕士论文］.长沙:湖南大学土木工程学院,2006. Rao Xinpin. Experimental Research on Creep Behavior Of Reinforced Concrete Beams Strengthened With CFRP Laminates:［Hunan University masters thesis］. Changsha:Civil Engineering College of Hunan University,2006.［8］Bemard Espion, Pierre Halleux. Longterm deflections of reinforced concrete beams:Reconsideration of their vriability［J］. ACI Structural Journal,1990,87(2):232～236.

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备注/Memo

备注/Memo:
收稿日期：2009-02-16
更新日期/Last Update: