Steel rebar corrosion and corrosion-induced cracking in reinforced foamed concrete

Yongheng Luo; Qilin Zhu; Depeng Chen; Chunlin Liu; Suiwei Pan

doi:10.3389/fmats.2022.1054662

Frontiers in Materials (Oct 2022)

Steel rebar corrosion and corrosion-induced cracking in reinforced foamed concrete

Yongheng Luo,
Qilin Zhu,
Depeng Chen,
Chunlin Liu,
Suiwei Pan

Affiliations

Yongheng Luo: School of Architectural and Civil Engineering, Anhui University of Technology, Ma’anshan, China
Qilin Zhu: Shanghai Jianke Engineering Consulting Co. Ltd, Shanghai, China
Depeng Chen: School of Architectural and Civil Engineering, Anhui University of Technology, Ma’anshan, China
Chunlin Liu: School of Architectural and Civil Engineering, Anhui University of Technology, Ma’anshan, China
Suiwei Pan: School of Construction Engineering, Maanshan University, Ma’anshan, China

DOI: https://doi.org/10.3389/fmats.2022.1054662
Journal volume & issue: Vol. 9

Abstract

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This study investigated the corrosion behavior of steel rebar in foamed concrete and the effects of water-cement ratio, fly ash, and fiber on reinforced foamed concrete’s corrosion rate and crack width. It was found that the corrosion rate of steel rebar and crack width of foamed concrete increased slowly with time and then developed rapidly, finally growing slowly. The higher the density of foamed concrete, the stronger the corrosion resistance of steel rebar. The best corrosion resistance of steel rebar in foamed concrete is achieved when the water-cement ratio is 0.5, fly ash and fiber are 20% and 0.6%, respectively.

Published in Frontiers in Materials

ISSN: 2296-8016 (Online)
Publisher: Frontiers Media S.A.
Country of publisher: Switzerland
LCC subjects: Technology
Website: https://www.frontiersin.org/journals/materials

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