Development of Predictive Model for Cement Stabilized Roadbase

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Title Development of Predictive Model for Cement Stabilized Roadbase
Author Chai, Gary; Oh, Yan-Nam Erwin; Smith, Warren
Publication Title Proceedings Volume I The 5th International Conference on Road and Airfield Pavement Technology and Exhibition on Road and Airfield Construction and Management
Editor Kawng W. Kim
Year Published 2005
Place of publication Korea
Publisher Korean Society of Road Engineers
Abstract Cement stabilisation is a common method for stabilising recycled road base material and provides a longer pavement life. With cement effect, the increment of stiffness in the stabilized layer would provide better load transfer to the pavement foundation. The recycling method provides an environmentally option as the existing road base materials will not be removed. This paper presents a case study of a trial section along the North-South Expressway in West Malaysia, where the Falling Weight Deflectometer (FWD) was implemented to evaluate the compressive strength and in-situ stiffness of the cement stabilized road base material. The improvement in stiffness of the cement stabilized base layer was monitored, and samples were tested during the trial. FWD was found to be useful for the structural assessment of the cement-stabilized base layer prior to placement of asphalt layers. Results from the FWD were applied to verify the assumed design parameters for the pavement. Using the FWD, an empirical correlation between the deflection and the stiffness modulus of the pavement foundation is proposed.
Peer Reviewed Yes
Published Yes
ISBN 89-956678-0-X
Conference name 5th International Conference on Road and Airfield Pavement Technology
Location Seoul, Korea
Date From 2005-05-10
Date To 2005-05-12
URI http://hdl.handle.net/10072/2702
Date Accessioned 2006-01-06
Date Available 2009-09-15T07:34:56Z
Language en_AU
Research Centre Centre for Infrastructure Engineering and Management
Faculty Faculty of Engineering and Information Technology
Subject PRE2009-Geotechnical Engineering
Publication Type Conference Publications (Full Written Paper - Refereed)
Publication Type Code e1

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