碳纤维网与短切丝协同增强混凝土梁试验研究

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发布时间：2020-01-06 00:00:00

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碳纤维网与短切丝协同增强混凝土梁试验研究

Experimental Study on Reinforced Concrete Beam with Carbon Fiber Mesh and Short-cut Wire

2021年第1期

碳纤维网；碳纤维短切丝；混凝土；协同作用；抗折性能

Carbon fiber mesh; Carbon fiber short-cut wire; Concrete; Synergy; Flexural performance

2021年第1期

10.19761/j.1000-4637.2021.01.061.06

国家自然科学基金青年项目（41807267）；2018年度安徽理工大学教学改革研究项目（2018066）。

雷小磊，黄国栋，崔玉龙

安徽理工大学土木建筑学院，安徽淮南232001

雷小磊，黄国栋，崔玉龙

雷小磊,黄国栋,崔玉龙.碳纤维网与短切丝协同增强混凝土梁试验研究[J].混凝土与水泥制品,2021(1):61-66.

LEI X L,HUANG G D,CUI Y L.Experimental Study on Reinforced Concrete Beam with Carbon Fiber Mesh and Short-cut Wire[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(1):61-66.

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摘要：分析了碳纤维网的密度、层数与预埋位置以及碳纤维短切丝的长度与掺量对混凝土梁抗折性能的影响。结果表明：预埋碳纤维网与掺入碳纤维短切丝均能显著提升混凝土梁的抗折性能；碳纤维网密度为20 mm×20 mm时，距混凝土梁上表面125 mm时的增强效果最佳；双层碳纤维网的增强效果明显优于单层碳纤维网；同时掺入碳纤维短切丝可继续提升混凝土梁的抗折性能，且掺量2%、长度6 mm的碳纤维短切丝提升效果最佳。 Abstract: The weakness of flexural and crack resistance has seriously affected the wide application of concrete in engineering. The influence of the density, the number of layers and the embedded position of carbon fiber mesh, and the length and content of carbon fiber short-cut wire on the flexural performance of concrete beams were analyzed. The results show that both the embedded carbon fiber mesh and the incorporation of carbon fiber short-cut wire can significantly improve the flexural performance of concrete beams. When the density of carbon fiber mesh is 20 mm× 20 mm, the reinforcement effect is the best when it is 125 mm away from the upper surface of the concrete beam. The reinforcement effect of adding double carbon fiber mesh is better than that of single layer. At the same time, adding carbon fiber short-cut wire can continue to improve the flexural performance of concrete beam, and 2% content of carbon fiber short-cut wire with the length of 6 mm is the best.

英文名 : Experimental Study on Reinforced Concrete Beam with Carbon Fiber Mesh and Short-cut Wire

刊期 : 2021年第1期

关键词 : 碳纤维网；碳纤维短切丝；混凝土；协同作用；抗折性能

Key words : Carbon fiber mesh; Carbon fiber short-cut wire; Concrete; Synergy; Flexural performance

刊期 : 2021年第1期

DOI : 10.19761/j.1000-4637.2021.01.061.06

文章编号 :

基金项目 : 国家自然科学基金青年项目（41807267）；2018年度安徽理工大学教学改革研究项目（2018066）。

作者 : 雷小磊，黄国栋，崔玉龙

单位 : 安徽理工大学土木建筑学院，安徽淮南232001

雷小磊，黄国栋，崔玉龙

雷小磊,黄国栋,崔玉龙.碳纤维网与短切丝协同增强混凝土梁试验研究[J].混凝土与水泥制品,2021(1):61-66.

LEI X L,HUANG G D,CUI Y L.Experimental Study on Reinforced Concrete Beam with Carbon Fiber Mesh and Short-cut Wire[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(1):61-66.

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结论

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引用本文

Abstract: The weakness of flexural and crack resistance has seriously affected the wide application of concrete in engineering. The influence of the density, the number of layers and the embedded position of carbon fiber mesh, and the length and content of carbon fiber short-cut wire on the flexural performance of concrete beams were analyzed. The results show that both the embedded carbon fiber mesh and the incorporation of carbon fiber short-cut wire can significantly improve the flexural performance of concrete beams. When the density of carbon fiber mesh is 20 mm× 20 mm, the reinforcement effect is the best when it is 125 mm away from the upper surface of the concrete beam. The reinforcement effect of adding double carbon fiber mesh is better than that of single layer. At the same time, adding carbon fiber short-cut wire can continue to improve the flexural performance of concrete beam, and 2% content of carbon fiber short-cut wire with the length of 6 mm is the best.

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