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    Sustainability Assessment of Hydrated Cement Treated Crushed Rock Base (HCTCRB)

    Access Status
    Fulltext not available
    Authors
    Yeo, Yang Sheng
    Jitsangiam, Peerapong
    Nikraz, Hamid
    Date
    2009
    Type
    Conference Paper
    
    Metadata
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    Citation
    Yeo, Yang Sheng and Jitsangiam, Peerapong and Nikraz, Hamid Reza. 2009. Sustainability Assessment of Hydrated Cement Treated Crushed Rock Base (HCTCRB), in Planning & Transport Research Centre (ed), The 5th PATREC Research Forum, Oct 1 2009. Curtin University, Perth: PATREC
    Source Title
    The Proceedings of the 5th PATREC Research Forum
    Source Conference
    The 5th PATREC Research Forum
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/3904
    Collection
    • Curtin Research Publications
    Abstract

    Hydrated Cement Treated Crushed Rock Base (HCTCRB), an advanced pavement material developed by Main Roads Western Australia in 2003 has experienced relative success in its application on major freeway projects in Western Australia. However, with its prematurity in the industry, its potential impact and long term benefits have yet to be assessed. The development of HCTCRB was motivated by reservation against the use of cement treated base (CTB) which is prone to cause reflective cracking induced by dry shrinkage of cementitious stabilisers. HCTCRB differs from the conventional CTB that it is stockpiled and retreated before construction. However, it has been presented that through proper shrinkage mitigation measures, CTB can be utilized with great success as seen in its extensive use in China, South Africa and the United States of America. This paper therefore investigates the sustainability, in terms of environmental and economical factors, surrounding HCTCRB and CTB and assesses a sustainable solution based on a multi criteria approach.

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    • Characterisation, Analysis and Design of Hydrated Cement Treated Crushed Rock Base as a Road Base Material in Western Australia
      Jitsangiam, Peerapong; Nikraz, Hamid; Siripun, Komsun; Chummuneerat, Suphat (2012)
      Hydrated Cement Treated Crushed Rock Base (HCTCRB) is widely used as a base course in Western Australian pavements. HCTCRB has been designed and used as a basis for empirical approaches and in empirical practices. These ...
    • Performance of Hydrated Cement Treated Crushed Rock Base as a Road Base Material in Western Australia
      Chummuneerat, Suphat; Jitsangiam, Peerapong; Nikraz, Hamid (2012)
      Hydrated Cement Treated Crushed Rock Base (HCTCRB) is produced by adding 2%-Portland cement with standard crushed rock base. The mixture is disturbed after the specific hydration period to prevent setting up and retain ...
    • Resilient modulus of hydrated cement treated crushed rock base (HCTCRB) for road base material in Western Australia
      Chummuneerat, Suphat; Jitsangiam, Peerapong; Nikraz, Hamid (2012)
      Hydrated Cement Treated Crushed Rock Base (HCTCRB) is a modified base course material, with anadditional of 2% Portland cement (by mass) to a standard crushed rock base. Based on the HCTCRB application protocol, the mix ...
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