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Mar 30, 2017
The Influence of a Curing Regime on the Geotechnical Properties of Ladle Furnace Slag as Used in Pavement Applications
Authors: Farshid Maghool [email protected], Arul Arulrajah, Ph.D. [email protected], Hamed Haghighi [email protected], Suksun Horpibulsuk, Ph.D. [email protected], and Yan-Jun Du, Ph.D. [email protected]Author Affiliations
Publication: Geotechnical Frontiers 2017
Abstract
Ladle furnace slag (LFS) is a solid waste by-product from the secondary stage of steel making process in ladle refining furnace. An extensive suite of engineering and geotechnical tests was undertaken on LFS aggregates to evaluate its potential to use as a road construction material. The chemical composition and microstructure of LFS samples were evaluated using X-ray fluorescence analysis (XRF) and scanning electron microscopy (SEM). The effect of different curing regimes on the strength of unbound LFS was also investigated. It was found that both duration and temperature of the curing had a vital role in the strength development of LFS samples, which could be attributed to the relatively high lime content of the LFS material. The suitable engineering properties of LFS materials could make it a reliable substitute for quarry produced pavement materials, which may result in diverting large amount of LFS from landfills.
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Published In
Geotechnical Frontiers 2017
Pages: 324 - 333
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© 2017 American Society of Civil Engineers.
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Published online: Mar 30, 2017
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Affiliations
Dept. of Civil and Construction Engineering, Swinburne Univ. of Technology, P.O. Box 218, Hawthorn, VIC 3122, Australia. E-mail: [email protected]
Dept. of Civil and Construction Engineering, Swinburne Univ. of Technology, P.O. Box 218, Hawthorn, VIC 3122, Australia. E-mail: [email protected]
Dept. of Civil and Construction Engineering, Swinburne Univ. of Technology, P.O. Box 218, Hawthorn, VIC 3122, Australia. E-mail: [email protected]
School of Civil Engineering, Suranaree Univ. of Technology, Nakhon Ratchasima 30000, Thailand. E-mail: [email protected]
Institute of Geotechnical Engineering, Jiangsu Key Laboratory of Urban Underground Engineering and Environmental Safety, Southeast Univ., Nanjing 210096, China. E-mail: [email protected]
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