Properties of pervious concrete made with air-cooling electric arc furnace slag as aggregates

•Pervious concrete made with EAFS aggregates had a better mechanical strength and a greater permeability coefficient than that made with gravels.•The expansion characteristic of EAFS becomes not so significant for pervious concrete due to the voids inside the system.•The pervious concrete made with...

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Bibliographic Details
Published in:Construction & building materials 2015-09, Vol.93, p.737-745
Main Authors: Yeih, Weichung, Fu, Tun Chi, Chang, Jiang Jhy, Huang, Ran
Format: Article
Language:English
Subjects:
Analysis
Concrete
Dimension stability
Electric arc furnace slag
Mechanical properties
Permeability
Pervious concrete
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Summary:•Pervious concrete made with EAFS aggregates had a better mechanical strength and a greater permeability coefficient than that made with gravels.•The expansion characteristic of EAFS becomes not so significant for pervious concrete due to the voids inside the system.•The pervious concrete made with EAFS provides a greater anti-skid capability than that made with gravels. In this paper, properties of pervious concrete made with air-cooling electric arc furnace slag (EAFS) as aggregates are investigated. Test results showed that under the same condition, pervious concrete made with EAFS aggregates had a better mechanical strength and a greater permeability coefficient than that made with natural river gravels. In addition, pervious concrete made with EAFS aggregates had a lower weight loss than that made with natural river gravels for the soundness tests. The dimension stability test showed that the possible expansion characteristic of EAFS became not so significant for pervious concrete due to the voids inside the system. It is concluded that pervious concrete made with EAFS aggregates is a good alternative in many ways.
ISSN:0950-0618
DOI:10.1016/j.conbuildmat.2015.05.104