Volume 6, Issue 10 (November 2009)

    Use of Isothermal Conduction Calorimetric Method for Measuring the Heat of Hydration of Cement

    (Received 5 February 2009; accepted 28 August 2009)

    Published Online: 2009

    CODEN: JAIOAD

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    Abstract

    In the present study, an extensive test program is conducted to measure and compare the heat of hydration obtained from both calorimeter and ASTM C186-05 test methods. A statistical analysis is performed to evaluate the variations of the test data. The results indicate that the isothermal conduction calorimeter method is a more reliable, less time-consuming, and less labor-intensive method than the ASTM C186-05 test method. The heat of hydration at 3 days showed the least variation in all calorimeter tests. These suggest that ASTM shall consider adopting the isothermal conduction calorimeter method for measuring the heat of hydration of cement. The 3-day heat of hydration value can be used for specifying the limit of heat release for type II cements.


    Author Information:

    Wang, Hugh
    Director, CEMEX Technical Center, Riverview, FL

    Qi, Chengqing
    Senior Scientist, CEMEX Technical Center, Riverview, FL

    Lopez, Waltter
    Director, Product Development and Cement Operations Support, CEMEX Technical Center, Riverview, FL

    Farzam, Hamid
    Vice President, Technical Services and Quality Assurance, CEMEX USA, Houston, TX


    Stock #: JAI102364

    ISSN: 1546-962X

    DOI: 10.1520/JAI102364

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    Author
    Title Use of Isothermal Conduction Calorimetric Method for Measuring the Heat of Hydration of Cement
    Symposium , 0000-00-00
    Committee C01