Characterization of cement-modified base course materials for Western Australia roads
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The cement-modified soil (CMS) is described as a soil that has been treated with a relatively small amount of cement in order to improve its engineering properties so that it is suitable for construction. This soil stabilization technique is employed for the typical base course material in Western Australia named “Hydrated Cement Treated Crushed Rock Base (HCTCRB)”. In present, the mechanistic approach of pavement design and analysis become more important and widely used internationally but HCTCRB has been created from the empirical approach empirical approach point of view. In order to be able to use this material effectively relating to the new pavement design method, its shear strength, resilient modulus, and permanent deformation characteristics need to be more investigated and deeply understood. This study aimed to perform the results of the laboratory testing which was carried out to assess the mechanical characteristics of HCTCRB. Our findings show that HCTCRB can be characterized as a relevant cohesive granular material with significant shear strength parameters. Based on the laboratory results, the suitable models of the resilient modulus characteristics and the permanent deformation characteristics were determined and introduced.
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Engineering characteristics of cement modified base course material for Western Australian pavementsJitsangiam, Peerapong; Chummuneerat, Suphat; Nikraz, Hamid (2013)In North America, cement-modified soil (CMS) is described as a soil that has been treated with a relatively small amount of cement in order to improve its engineering properties and make it suitable for construction ...
Siripun, Komsun (2010)Western Australia (WA) has a road network of approximately 177,700 km, including a 17,800 km stage highway system (Main Roads Western Australia 2009). This infrastructure supports a population of only about two million, ...
Mechanical characteristics of hydrated cement treated crushed rock base for Western Australian road baseChummuneerat, S.; Jitsangiam, Peerapong; Nikraz, H. (2012)Hydrated Cement Treated Crushed Rock Base (HCTCRB) is a cement stabilized base course produced by adding 2% Portland cement to standard crushed rock base. The mix is stockpiled for specified hydration period and then ...