| 预应力碳纤维薄板增强钢筋混凝土梁疲劳破坏模式及疲劳寿命研究 |
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| 引用本文： | 周昊,黄培彦,郭馨艳.预应力碳纤维薄板增强钢筋混凝土梁疲劳破坏模式及疲劳寿命研究[J].公路交通技术,2011(1):77-81. |
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| 作者姓名： | 周昊 黄培彦 郭馨艳 |
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| 作者单位： | 招商局重庆交通科研设计院有限公司;华南理工大学土木与交通学院; |
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| 摘 要： | 将预应力碳纤维片材粘贴到需要补强的钢筋混凝土梁上,可有效改善结构力学性能,提高加固效率.以预应力碳纤维薄板增强钢筋混凝土粱为研究对象,时其进行抗弯疲劳试验,发现预应力碳纤维薄板增强钢筋混凝土梁的破坏模式主要有受压区混凝土疲劳压碎、钢筋疲劳断裂以及界面疲劳剥离.针对不同的疲劳破坏模式,推导预应力碳纤维薄板增强钢筋混凝土梁...
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| 关 键 词： | 碳纤维薄板 预应力 疲劳试验 寿命分析 |
Research on Failure Modes and Fatigue Lifetime of Prestressed Carbon Fiber Laminate Strengthening Reinforced Concrete Beams |
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| ZHOU Hao,HUANG Peiyan,GUO Xinyan.Research on Failure Modes and Fatigue Lifetime of Prestressed Carbon Fiber Laminate Strengthening Reinforced Concrete Beams[J].Technology of Highway and Transport,2011(1):77-81. |
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| Authors: | ZHOU Hao HUANG Peiyan GUO Xinyan |
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| Institution: | ZHOU Hao1,2,HUANG Peiyan2,GUO Xinyan2 |
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| Abstract: | Pasting the prestressed carbon fiber laminates onto the reinforced concrete beams that need strengthening can effectively improve mechanical properties of structure and enhance strengthening efficiency.This paper carries out bending fatigue test for the prestressed carbon fiber laminate(CFL) strengthening reinforced concrete beams as its research object and finds that the failure modes of the prestressed CFL strengthening reinforced concrete beams mainly include crushing of concrete in compressive zone due ... |
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| Keywords: | carbon fiber laminate(CFL) prestress fatigue test lifetime analysis |
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