On Improvements of Rubberized Concrete with Organosulfur Compounds

Abstract:

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Crumb rubbers have been investigated as additives to concrete and promising results have been observed. Organosulfur compounds from a petroleum-refining factory were used to modify the surface properties of crumb rubbers. The intermolecular interaction forces between cement hydration products (C-S-H) and rubber crumbs were measured directly by an atomic force microscope (AFM) equipped with a colloid probe. Experimental data indicate that crumb rubber surface is more hydrophilic after the treatment with organosulfur compounds and the intermolecular interaction forces between C-S-H and rubber increase with the treatment of crumb rubbers with organosulfur compounds. Furthermore, these increased interaction forces lead to an increased concrete strength.

Info:

Periodical:

Advanced Materials Research (Volumes 156-157)

Edited by:

Jingtao Han, Zhengyi Jiang and Sihai Jiao

Pages:

1459-1462

DOI:

10.4028/www.scientific.net/AMR.156-157.1459

Citation:

L. H. Chou "On Improvements of Rubberized Concrete with Organosulfur Compounds", Advanced Materials Research, Vols. 156-157, pp. 1459-1462, 2011

Online since:

October 2010

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Price:

$35.00

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