The 3M method to determine the strength development of HSC in the first 10 hours

H.W. Bennenk, C.S. Kleinman, J. Ketelaars

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Abstract

In the precast concrete industry it's important to know wether the concrete strength is high enough to demould and to lift an element or to prestressed an element. Traditionally this is checked by a Schmidt hammer. Time, temperature and cementtype determine the maturity, the factor to predict the actual concrete strength. Maturity is also related to the rate of hydration. Maturity testing for normal and accelerated hardened Normal Strength Concrete is nowadays our daily practice, using temperature sensors in the element and a computerprogram to calculate the maturity. For the actual strength of young high strength concrete the method used has to be modified into the 3.M method; the Modified Maturity Method.
Original languageEnglish
Title of host publicationProceedings of the XIII FIP on Challenges for Concrete in the Next Millennium, Amsterdam, Netherlands
Pages107-110
Volume1
Publication statusPublished - 1998

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    Bennenk, H. W., Kleinman, C. S., & Ketelaars, J. (1998). The 3M method to determine the strength development of HSC in the first 10 hours. In Proceedings of the XIII FIP on Challenges for Concrete in the Next Millennium, Amsterdam, Netherlands (Vol. 1, pp. 107-110)