Effects of Length of CFS on Flexural Behavior for RC Beam

Guo Yong-chang; XIE Zhi-hong

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Effects of Length of CFS on Flexural Behavior for RC Beam

更新时间：2026-05-27

- Effects of Length of CFS on Flexural Behavior for RC Beam
- Vol. 22, Issue 2, Pages: 89-95(2005)
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- Online First：01 June 2005，
  
  Published：2005
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郭永昌, 谢志红. 碳纤维布长度对RC加固梁抗弯性能的影响研究[J]. 广东工业大学学报, 2005, 22(2): 89-95.

Guo Yong-chang, XIE Zhi-hong. Effects of Length of CFS on Flexural Behavior for RC Beam[J]. 2005, 22(2): 89-95.
郭永昌, 谢志红. 碳纤维布长度对RC加固梁抗弯性能的影响研究[J]. 广东工业大学学报, 2005, 22(2): 89-95. DOI：

Guo Yong-chang, XIE Zhi-hong. Effects of Length of CFS on Flexural Behavior for RC Beam[J]. 2005, 22(2): 89-95. DOI：

摘要

通过7根碳纤维布加固补强钢筋混凝土梁的试验

研究了粘贴不同层数、不同长度碳纤维布对钢筋混凝土梁受弯性能的影响和作用.试验研究了加固梁初裂荷载、极限荷载、刚度以及纤维布应力变化规律.通过比较试验结果与有限元计算结果

验证了有限元法对纤维布加固RC梁计算结果的可靠性与通用性

结果表明加固梁受弯承载力及刚度明显提高

裂缝形态得到改善

碳纤维布受弯加固是便捷的、高效的.

Abstract

Based on the tests of seven simply supported reinforced concrete beams strengthened with continuous carbon fiber sheet

the influence and effect on flexural strength in different layers and lengths of carbon fiber sheet are analyzed

including cracking load

ultimate load

stiffness and stress distribution of carbon fiber sheet. The conclusions of the tests and the results calculated with finite element method are compared and can prove the credibility and generality of finite element method for reinforced concrete beams strengthened with carbon fiber sheet. The results show that the bearing capacity

stiffness and modality of crack are obviously improved. Strengthening method with carbon fiber sheet is convenientand efficient.

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references

岳清瑞,杨勇新. 《碳纤维片材加固修复混凝土结构技术规程》(CECS146:2003)介绍[J]. 建筑结构. 2003(06)

田水,朱暾. 碳纤维布加固钢筋混凝土圆柱的试验研究[J]. 混凝土与水泥制品. 2001(03)

吴刚,安琳,吕志涛. 碳纤维布用于钢筋混凝土梁抗弯加固的试验研究[J]. 建筑结构. 2000(07)

赵彤,谢剑,戴自强. 碳纤维布加固钢筋混凝土梁的受弯承载力试验研究[J]. 建筑结构. 2000(07)

郭永昌. 碳纤维布加固钢筋混凝土梁有限元分析及试验研究[D]. 广东工业大学 2003

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