NDLI: Study of Mechanical Properties of an Eco-Friendly Concrete Containing Recycled Carbon Fiber Reinforced Polymer and Recycled Aggregate

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Study of Mechanical Properties of an Eco-Friendly Concrete Containing Recycled Carbon Fiber Reinforced Polymer and Recycled Aggregate

Content Provider	MDPI
Author	Xiong, Chen Lan, Tianhao Li, Qiangsheng Li, Haodao Long, Wujian
Copyright Year	2020
Description	This study investigates the feasibility of collaborative use of recycled carbon fiber reinforced polymer (RCFRP) fibers and recycled aggregate (RA) in concrete, which is called RCFRP fiber reinforced RA concrete (RFRAC). The mechanical properties of the composite were studied through experimental investigation, considering different RCFRP fiber contents (0%, 0.5%, 1.0%, and 1.5% by volume) and different RA replacement rates (0%, 10%, 20%, and 30% by volume). Specifically, ten different mixes were designed to explore the flowability and compressive and flexural strengths of the proposed composite. Experimental results indicated that the addition of RCFRP fibers and RA had a relatively small influence on the compressive strength of concrete (less than 5%). Moreover, the addition of RA slightly decreased the flexural strength of concrete, while the addition of RCFRP fibers could significantly improve the flexural performance. For example, the flexural strength of RA concrete with 1.5% RCFRP fiber addition increased by 32.7%. Considering the good flexural properties of the composite and its potential in reducing waste CFRP and construction solid waste, the proposed RFRAC is promising for use in civil concrete structures with high flexural performance requirements.
Starting Page	4592
e-ISSN	19961944
DOI	10.3390/ma13204592
Journal	Materials
Issue Number	20
Volume Number	13
Language	English
Publisher	MDPI
Publisher Date	2020-10-15
Access Restriction	Open
Subject Keyword	Materials Characterization and Testing of Materials Recycled Carbon Fiber Reinforced Polymer Recycled Aggregate Mechanical Properties Flexural Performance Eco-friendly Concrete
Content Type	Text
Resource Type	Article

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