|本期目录/Table of Contents|

[1]陈俊宏,傅军,熊厚仁,等.废弃碳纤维混凝土力学性能及表面应变演化特性试验研究[J].浙江理工大学学报,2025,53-54(自科五):688-696.
　CHEN Junhong,FU Jun,XIONG Houren,et al.An experimental study on mechanical properties and surface strain evolution characteristics of waste carbon fiber reinforced concrete[J].Journal of Zhejiang Sci-Tech University,2025,53-54(自科五):688-696.
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废弃碳纤维混凝土力学性能及表面应变演化特性试验研究()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第53-54卷
期数:
2025年自科第五期
页码:
688-696
栏目:
出版日期:
2025-09-20

文章信息/Info

Title:
An experimental study on mechanical properties and surface strain evolution characteristics of waste carbon fiber reinforced concrete
文章编号:
1673-3851 (2025) 09-0688-09
作者:
陈俊宏; 傅军; 熊厚仁; 单鸿猷
1.浙江理工大学建筑工程学院，杭州 310018；2.嘉兴大学建筑工程学院，浙江嘉兴 314000
Author(s):
CHEN Junhong; FU Jun; XIONG Houren; SHAN Hongyou
1.School of Civil Engineering and Architecture, Zhejiang Sci-Tech University, Hangzhou 310018,China; 2.School of Civil Engineering and Architecture, Jiaxing University, Jiaxing 314000, China
关键词:
1.浙江理工大学建筑工程学院; 杭州 310018; 2.嘉兴大学建筑工程学院; 浙江嘉兴 314000
分类号:
TU599
文献标志码:
A
摘要:
为实现废弃碳纤维的资源化利用并提升混凝土力学性能，将废弃碳纤维与混凝土相结合，分析废弃碳纤维的纤维长度、体积掺量对不同水胶比混凝土的抗压强度、劈裂抗拉强度的影响；采用数字图像相关(Digital image correlation method，DIC)法对混凝土表面应变场的损伤演变过程进行监测，并结合正交实验法，对混凝土试件的抗压强度、劈裂抗拉强度试验结果进行极差分析，以确定废弃碳纤维混凝土的最佳配比；通过场发射扫描电镜对废弃碳纤维混凝土微观结构进行表征。结果表明：废弃碳纤维通过桥接裂缝和物理填充效应提升混凝土密实度，28 d 抗压强度和劈裂抗拉强度最高分别提高19.5%和44.7%；影响废弃碳纤维混凝土抗压强度及劈裂抗拉强度的因素，按影响程度由大到小依次为水胶比、体积掺量、纤维长度，最优配比为水胶比0.45、体积掺量0.2%与纤维长度6 mm；抗压条件下，试件表面存在明显的端部效应以及回弹效应，劈裂抗拉条件下，试件表面的最大横向应变集中于试件中部。该研究结果可为废弃碳纤维的绿色再生利用及高性能混凝土开发提供数据支撑。

参考文献/References:

［1］Wang F, Kan L L, Yu J T, et al. Systematic studies on behaviors of ultra-high performance concrete subject to freezing and thawing cycles combining DIC technology［J］. Construction and Building Materials, 2023, 388: 131580.
［2］Huang H L, Peng C H, Luo J, et al. Micromechanical properties of interfacial transition zone between carbon fibers and UHPC matrix based on nano-scratching tests［J］. Cement and Concrete Composites, 2023, 139: 105014.
［3］Zhao C G, Wang Z Y, Zhu Z Y, et al. Research on different types of fiber reinforced concrete in recent years: An overview［J］. Construction and Building Materials, 2023, 365: 130075.
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［6］Van De Werken N, Reese M S, Taha M R, et al. Investigating the effects of fiber surface treatment and alignment on mechanical properties of recycled carbon fiber composites［J］. Composites Part A: Applied Science and Manufacturing, 2019, 119: 38-47.
［7］Zheng H, Zhang W J, Li B W, et al. Recent advances of interphases in carbon fiber-reinforced polymer composites: A review［J］. Composites Part B: Engineering, 2022, 233: 109639.
［8］胡侨乐, 端玉芳, 刘志, 等. 碳纤维增强聚合物基复合材料回收再利用现状［J］. 复合材料学报, 2022, 39(1): 64-76.
［9］Wang Y, Li A, Zhang S, et al. A review on new methods of recycling waste carbon fiber and its application in construction and industry［J］. Construction and Building Materials, 2023, 367: 130301.
［10］刘尧, 吴震华, 张芝芳, 等. 回收碳纤维复合材料用于增强水泥基材料的研发现状［J］. 复合材料科学与工程, 2022(8): 110-116.

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备注/Memo

备注/Memo:
收稿日期： 2025-01-25
网络出版日期： 2025-04-29
基金项目： 嘉兴市科技计划项目（2023AY40013）
作者简介： 陈俊宏（2001—），男，湖南邵东人，硕士研究生，主要从事纤维混凝土方面的研究
通信作者： 傅军，E-mail:fujun@zstu.edu.cn
更新日期/Last Update: 2025-09-15