Freezing and Thawing Resistance of Cement Asphalt Mortar

Abstract:

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In this paper, freezing and thawing resistance of CA mortar was investigated and some influential factors such as the ratio between asphalt emulsion and cement (A/C), cement types, various additives were also explored. Results indicated that a gain of mass was observed for every mixture after the test; mixtures with a higher A/C performed better in terms of higher relative elastic moduli. Mixtures proportioned by partially replacing ordinary Portland cement (OPC) with sulfoalumninate cement (SAC) underperformed in freezing and thawing property. Addition of crumb rubber powder (CRP), redispersible polymer powder (RPP) and organic fiber (FR) improved the resistance of CA mortar to freezing and thawing while that of silica fume (SF) undermined it.

Info:

Periodical:

Key Engineering Materials (Volumes 400-402)

Edited by:

Jingsi Huo, Yan Xiao, Zongjin Li and Shuaib Ahmad

Pages:

163-167

DOI:

10.4028/www.scientific.net/KEM.400-402.163

Citation:

S. G. Hu et al., "Freezing and Thawing Resistance of Cement Asphalt Mortar", Key Engineering Materials, Vols. 400-402, pp. 163-167, 2009

Online since:

October 2008

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Price:

$35.00

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