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Characterization of Hydrated Cement Treated Crushed Rock Base (HCTCRB) As a Road Base Material in Western Australia

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Open access
Authors
Jitsangiam, Peerapong
Nikraz, Hamid
Siripun, Komsun
Date
2009
Type
Conference Paper

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Jitsangiam P. and Nikraz H. and Siripun K. 2009. Characterization of Hydrated Cement Treated Crushed Rock Base (HCTCRB) as a Road Base Material in Western Australia, in Steyn, W. and Jenkins, K. and Solaimanian, M. (ed), Road Pavement Material Characterization and Rehabilitation (GSP 191), Challenges and Recent Advances in Pavement Technologies and Transportation Geotechnics, GeoHunan International Conference, Aug 3 2009, Hunan, PRC: American Society of Civil Engineers.
Source Title
Road Pavement Material Characterization and Rehabilitation: Selected Papers From the 2009GeoHunan International Conference (GSP 191)
Source Conference
GeoHunan International Conference 2009 on Challenges and Recent Advances in Pavement Technologies and Transportation Geotechnics
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Department of Civil Engineering
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Abstract

Hydrated Cement Treated Crushed Rock Base (HCTCRB) is widely used as a base course material for Western Australian roads. HCTCRB has been designed and used based on an empirical approach and practical experience, respectively, but those are not capable of explaining behavior of HCTCRB. Presently, a mechanistic approach is considered more reliable in pavement design and analysis. Mechanistic methods also provide effective tools in better understanding of pavement performance. The study provides laboratory testing and the corresponding analysis so as to assess the mechanical characteristics of HCTCRB. Conventional triaxial tests and repeated load triaxial tests (RLT tests) were performed. Factors, which would affect the performance of HCTCRB such as hydration periods and the amount of added water, were also investigated.