Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/88933
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Type: Conference paper
Title: Effects of freeze-thaw action and composition on compression strength of WFS-FA-EPS fills
Author: Deng, A.
He, Z.
Wang, H.
Citation: Proceedings of sessions of GeoShanghai 2010: Paving materials and pavement analysis, June 3-5, 2010, Shanghai, China / Baoshan Huang, Erol Tutumluer, Imad L. Al-Qadi, Jorge Prozzi and Xiang Shu (eds.): pp.364-371
Publisher: American Society of Civil Engineers
Publisher Place: Virginia, US
Issue Date: 2010
Series/Report no.: Geotechnical special publication, no. 203
ISBN: 9780784411049
ISSN: 0895-0563
Conference Name: GeoShanghai International Conference (2010 : Shanghai, China)
Editor: Huang, B.
Tutumluer, E.
Al-Qadi, I.
Prozzi, J.
Shu, X.
Statement of
Responsibility: 
An Deng, Zhongyi He, and Haibo Wang
Abstract: A frost-resistant earth fill was proposed by mixing waste foundry sand (WFS), fly ash (FA), expandable polystyrene (EPS) beads, Portland cement and water in proportions, which was known as WFS-FA-EPS fill. This study examined the unconfined compressive strength (UCS) weakening susceptibility of a range of WFS-FA-EPS specimens prepared at designated compositions which were exposed to freeze-thaw (F-T) cycling from 20 ºC to −15 ºC and up to 5 times. It was found that the inclusion of EPS reduced the unit weight of the fill materials by 20-40%. The majority of UCS loss was found suffered in the first F-T impact. Cement component clearly enhanced the anti-frost capability of materials. Components of EPS and FA also improved the F-T resistance of materials. Water was the main factor leading to F-T impairment, and should be prudentially added into the mixture. Inclusion of EPS beads was able to mitigate the frost impact by the means of reducing UCS loss. The optimal contents were 1.08% for EPS bead and 30% for FA.
Rights: Copyright © 2010 by the American Society of Civil Engineers
DOI: 10.1061/41104(377)45
Description (link): http://ascelibrary.org/doi/book/10.1061/geoshanghai2010
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Civil and Environmental Engineering publications

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