Properties of Reactive Powder Concrete and Its Application in Highway Bridge

A high-performance reactive powder concrete (RPC) was prepared with river sand, and the maximum particle size is 1.25 mm, under the 80°C steam curing condition. It is tested completely in terms of strength, uniaxial compressive stress-strain relation, flexural load-deflection relation, and frost res...

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Main Authors: Junwei Song, Shuhua Liu
Format: Article
Language:English
Published: Wiley 2016-01-01
Series:Advances in Materials Science and Engineering
Online Access:http://dx.doi.org/10.1155/2016/5460241
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author Junwei Song
Shuhua Liu
author_facet Junwei Song
Shuhua Liu
author_sort Junwei Song
collection DOAJ
description A high-performance reactive powder concrete (RPC) was prepared with river sand, and the maximum particle size is 1.25 mm, under the 80°C steam curing condition. It is tested completely in terms of strength, uniaxial compressive stress-strain relation, flexural load-deflection relation, and frost resisting durability, and the results indicate that the concrete is suitable to RPC200. The uniaxial compressive stress-strain curve shows a linear-elastic behaviour up to explosive failure, which is different from that of conventional concrete. High postpeak load carrying capacity shows high toughness and reinforcing effect of the steel fibers. The RPC has not only much higher limit strain than conventional concrete, but also excellent frost resisting durability at the fifth day of age exceeding F300. Furthermore, the RPC satisfactorily meets the requirement of practical application for Xialouzi Bridge built with the RPC totally according to the calculation with finite element analysis software MIDAS/Civil. And the static loading testing result suggests that design of the bridge meets the utilization requirements.
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spelling doaj-art-5d9ca483d0874d90ba6cd183ff6a66bf2025-02-03T01:32:59ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422016-01-01201610.1155/2016/54602415460241Properties of Reactive Powder Concrete and Its Application in Highway BridgeJunwei Song0Shuhua Liu1Nanchang Key Laboratory of Material and Structure Detection, Jiangxi University of Technology, Nanchang 330098, ChinaNanchang Key Laboratory of Material and Structure Detection, Jiangxi University of Technology, Nanchang 330098, ChinaA high-performance reactive powder concrete (RPC) was prepared with river sand, and the maximum particle size is 1.25 mm, under the 80°C steam curing condition. It is tested completely in terms of strength, uniaxial compressive stress-strain relation, flexural load-deflection relation, and frost resisting durability, and the results indicate that the concrete is suitable to RPC200. The uniaxial compressive stress-strain curve shows a linear-elastic behaviour up to explosive failure, which is different from that of conventional concrete. High postpeak load carrying capacity shows high toughness and reinforcing effect of the steel fibers. The RPC has not only much higher limit strain than conventional concrete, but also excellent frost resisting durability at the fifth day of age exceeding F300. Furthermore, the RPC satisfactorily meets the requirement of practical application for Xialouzi Bridge built with the RPC totally according to the calculation with finite element analysis software MIDAS/Civil. And the static loading testing result suggests that design of the bridge meets the utilization requirements.http://dx.doi.org/10.1155/2016/5460241
spellingShingle Junwei Song
Shuhua Liu
Properties of Reactive Powder Concrete and Its Application in Highway Bridge
Advances in Materials Science and Engineering
title Properties of Reactive Powder Concrete and Its Application in Highway Bridge
title_full Properties of Reactive Powder Concrete and Its Application in Highway Bridge
title_fullStr Properties of Reactive Powder Concrete and Its Application in Highway Bridge
title_full_unstemmed Properties of Reactive Powder Concrete and Its Application in Highway Bridge
title_short Properties of Reactive Powder Concrete and Its Application in Highway Bridge
title_sort properties of reactive powder concrete and its application in highway bridge
url http://dx.doi.org/10.1155/2016/5460241
work_keys_str_mv AT junweisong propertiesofreactivepowderconcreteanditsapplicationinhighwaybridge
AT shuhualiu propertiesofreactivepowderconcreteanditsapplicationinhighwaybridge