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author:

Zheng, Jianlan (Zheng, Jianlan.) [1] | Ding, Jinwei (Ding, Jinwei.) [2] | You, Fan (You, Fan.) [3]

Indexed by:

EI Scopus

Abstract:

Recycled aggregate concrete (RAC) technology is one of the important measures for the development of green concrete, which can realize the sustainable development of architecture, resources and environment. Steel corrosion has great influence on the safety and durability of reinforced concrete structure, the research problem of bonding between corroded steel bars and RAC has important significance and engineering value. The effect of carbonized recycled fine aggregate (C-RFA) on bond behaviour between corroded rebars and RAC was studied through 28 sets of pull-out tests, were performed on RAC with recycled coarse aggregate (RCA) replacement percentage of 70%. Four carbonized recycled fine aggregate replacement percentages (0%, 20%, 30% and 40%) and four corrosion rates (0%, 1%, 2% and 4%) were considered in this study. The results show that carbonized RFA improved the peak pull-out strength of the specimens. The peak pull-out strength of the specimens with 20% C-RFA replacement percentage had only 1.02% decrease compared with those of unincorporated of RFA. When rebar corrosion rates was less than 4%, the corrosion of rebar improved peak pull-out strength of the specimen. It was found that 2% corrosion rate had the most significant effect. © Published under licence by IOP Publishing Ltd.

Keyword:

Aggregates Concrete aggregates Corrosion rate Recycling Reinforced concrete Self compacting concrete Steel corrosion Sustainable development

Community:

  • [ 1 ] [Zheng, Jianlan]School of Engineering, Fujian Jiangxia University, Fuzhou; 350108, China
  • [ 2 ] [Ding, Jinwei]College of Civil Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 3 ] [You, Fan]Fujian Province Collaborative Innovation Center for Environment, Friendly and Energy-Saving High Performance Concrete, Fuzhou; 350108, China

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ISSN: 1757-8981

Year: 2018

Issue: 10

Volume: 431

Language: English

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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