Effect of Freeze-Thaw Cycles on Mechanical Behaviors of Ceramsite Concrete under Impact Loading

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Abstract:

In order to study the influence of freezing and thawing on the dynamic behavior of ceramsite concrete, specimens with four kinds of ceramsite volume fraction including 0%, 15%, 30% and 45% which subjected to 0, 10, 20, 30 and 40 cycles of freezing and thawing respectively, are tested by means of the Spilt Hopkinson Pressure Bar technique. The experimental results showed that under dynamic loading the ceramisite concrete was weakened with increasing of the number of freeze-thaw cycles. Changes of dynamic compressive strength and damage evolution affected by freeze-thaw cycling and volume fraction of ceramsite are discussed in the paper.

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508-513

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August 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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