Experimental Research on Pore Structure of RCA and its Impact on Drying Shrinkage

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Abstract:

Pore structure is one of the main influencing factors of materials drying shrinkage. C30 natural mix proportion is used as reference, the impact of replacement rate of recycled aggregate, the mixing amount of fly ash, water reducer, expansion agent and water-cement ratio on recycled aggregate concrete’s porosity and pore characteristics was studied. Based on the pore structure theory, the influence of porosity and pore characteristics on recycled aggregate concrete’s drying shrinkage is analyzed.

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Advanced Materials Research (Volumes 335-336)

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1141-1144

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September 2011

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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