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http://dx.doi.org/10.14190/JRCR.2019.7.2.93

Evaluation of Mechanical Properties of Early-age Concrete Containing Electric Arc Furnace Oxidizing Slag  

Kwon, Seung-Jun (Department of Civil and Environmental Engineering, Hannam University)
Hwang, Sang-Hyeon (Department of Civil and Environmental Engineering, Hannam University)
Lim, Hee-Seob (Department of Civil and Environmental Engineering, Hannam University)
Publication Information
Journal of the Korean Recycled Construction Resources Institute / v.7, no.2, 2019 , pp. 93-100 More about this Journal
Abstract
In this study, the mechanical properties of early-age concrete were evaluated by mixing the electric arc furnace oxidizing slag fine aggregate with 30% and 50% replacement ratio. Slump test, air content test and unit volume weight test were performed for fresh concrete, and compressive strength test and chloride penetration experiments were carried out in hardened concrete. The compressive strength increased up to 7 days of curing age with increasing replacement ratio of the electric furnace oxidizing slag, but the strength decreased to 90% level of OPC concrete at 28 days of age. Regarding the result of chloride penetration test, no significant differences from OPC concrete were evaluated, which shows a feasibility of application to concrete aggregate.
Keywords
Fine aggregate; Concrete; Electric arc furnace oxidizing slag; Compressive strength; Chloride penetration test;
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Times Cited By KSCI : 4  (Citation Analysis)
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