CFRP 加固再生红砖混凝土的机械损伤机理研究

IF 3.6 4区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Reviews on Advanced Materials Science Pub Date : 2024-02-09 DOI:10.1515/rams-2023-0178

Yongcheng Ji, Zheng Li, Wenyuan Xu, Wei Li

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引用次数: 0

摘要

本研究选择了三种碳纤维增强塑料（CFRP）增强比率（0、50 和 100%）来改善再生砖混凝土的力学性能。通过轴向压缩试验和 X 射线衍射仪分析，分析了再生混凝土抗压强度、峰值应力和弹性模量等参数的变化。揭示了再生砖混凝土的应力分布和破坏机理。讨论了骨料内部破坏和 CFRP 加固效应机理。建立了 CFRP 加固的红砖混凝土在单轴压缩条件下的有限元模型。提出了 CFRP 加固再生砖混凝土的组成模型。

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Mechanical damage mechanism investigation on CFRP strengthened recycled red brick concrete

Three reinforcement ratios (0, 50, and 100%) of carbon fiber reinforced plastics (CFRP) were selected to improve the mechanical properties of recycled brick concrete in this study. Utilizing axial compression test, X-ray diffractometer analysis, the evolution of parameters such as compressive strength, peak stress, and elastic modulus of reclaimed concrete were analyzed. The reclaimed brick concrete’ stress distribution and damage mechanism were revealed. The aggregate internal failure and CFRP reinforcement effect mechanism are discussed. The finite element model of red brick concrete reinforced by CFRP under uniaxial compression is established. The constitutive model for CFRP-reinforced recycled brick concrete is proposed.

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来源期刊

Reviews on Advanced Materials Science 工程技术-材料科学：综合

CiteScore

5.10

自引率

11.10%

发文量

审稿时长

3.5 months

期刊介绍： Reviews on Advanced Materials Science is a fully peer-reviewed, open access, electronic journal that publishes significant, original and relevant works in the area of theoretical and experimental studies of advanced materials. The journal provides the readers with free, instant, and permanent access to all content worldwide; and the authors with extensive promotion of published articles, long-time preservation, language-correction services, no space constraints and immediate publication. Reviews on Advanced Materials Science is listed inter alia by Clarivate Analytics (formerly Thomson Reuters) - Current Contents/Physical, Chemical, and Earth Sciences (CC/PC&ES), JCR and SCIE. Our standard policy requires each paper to be reviewed by at least two Referees and the peer-review process is single-blind.