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Computers and Concrete
  Volume 6, Number 6, December 2009 , pages 437-450

Influence of extreme curing conditions on compressive strength and pulse velocity of lightweight pumice concrete
Khandaker M. Anwar Hossain

    The effect of six different curing conditions on compressive strength and ultrasonic pulse velocity (UPV) of volcanic pumice concrete (VPC) and normal concrete (NC) has been studied. The curing conditions include water, air, low temperature (4oC) and different elevated temperatures of up to 110oC. The curing age varies from 3 days to 91 days. The development in the pulse velocity and the compressive strength is found to be higher in full water curing than the other curing conditions. The reduction of pulse velocity and compressive strength is more in high temperature curing conditions and also more in VPC compared to NC. Curing conditions affect the relationship between pulse velocity and compressive strength of both VPC and NC.
Key Words
    volcanic pumice; curing; lightweight concrete; pulse velocity; compressive strength.
Khandaker M. Anwar Hossain: Department of Civil Engineering, Ryerson University, 350 Victoria Street, Toronto, Ontario M5B 2K3, Canada

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