Compressive stress-strain behavior of RFAC after high temperature

Jiongfeng Liang , Liuhaoxiang Wang , Zhibin Ling , Wei Li , Wenrui Yang

Abstract

This paper discusses the effect of high temperatures (Ts) on the compressive strength and stress-strain curve of recycled fine aggregate concrete (RFAC), based on the experimental results. A total of 90 prisms (100 mmx100 mmx300 mm) were tested. The results show that the compressive strength and elastic modulus of RFAC specimens decreased significantly with increasing T values. As T increased, the strain corresponding to peak stress decreased first when T

Key Words

compressive strength; concrete; recycled fine aggregate; stress-strain relationship; temperature

Address

Jiongfeng Liang — Jiangsu Province Key Laboratory of Structure Engineering, Suzhou, China; State Key Laboratory of Green Building in Western China, Xian University of Architecture & Technology, Xian, China; Faculty of Civil & Architecture Engineering, East China University of Technology, Nanchang, China
Liuhaoxiang Wang — Faculty of Civil & Architecture Engineering, East China University of Technology, Nanchang, China
Zhibin Ling, Wei Li — Jiangsu Province Key Laboratory of Structure Engineering, Suzhou, China
Wenrui Yang — College of Civil Engineering and Architecture, Wenzhou University, Wenzhou 325035, Zhejiang, China

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