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Laboratory study on the mechanical behavior of tire chip-sand mixture
Lok, Thomas M. H.1,2; Yu, H.J.3
2006
Conference NamePavement Mechanics and Performance
Source PublicationGeotechnical Special Publication
Issue154
Pages157-164
Conference Date6 6, 2006 - 6 8, 2006
Conference PlaceShanghai, China
Author of SourceAmerican Society of Civil Engineers
AbstractStockpiling of scrap tires in Macao brings out environmental and economical problems which may be resolved by using them as lightweight backfill material. The objective of this study is to investigate the mechanical behavior of tire chip-sand mixture, as a potential backfill material, based on laboratory testing. The tire chips are pieces of scrap tires cut into about 3 cm with specific gravity of 1.17-1.25. The stress-strain-strength and volumetric behavior and the strength parameters of the tire chip-sand mixture were determined in consolidated-undrained and drained triaxial tests. The variation of mechanical behavior with respect to the chip/mix ratio suggested the optimum mixing ratio to be about 40%. The test results were also used to determine the modeling parameters and to compare with the numerical simulations using the hyperbolic model. Recommendations for modeling the behavior of tire chip-sand mixture are provided. Copyright ASCE 2006.
DOI10.1061/40866(198)20
Language英语
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Document TypeConference paper
专题DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Affiliation1.ASCE;
2.University of Macau, Av. Padre Tomás Pereira S.J., Taipa, China;
3.University of Macau
First Author AffilicationUniversity of Macau
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Lok, Thomas M. H.,Yu, H.J.. Laboratory study on the mechanical behavior of tire chip-sand mixture[C]//American Society of Civil Engineers,2006:157-164.
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