Experimental Investigation of the Shrinkage Performance of Small Blocks Made by Rock Chips Concrete

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Abstract:

A new type of small concrete blocks with high strength performance was generated in this study, and the main component of this kind of small blocks were made by the MU15.0 that was extracted from the waste rock chips. The effect of content of stone powder and the different curing methods on the shrinkage of the proposed concrete blocks, was investigated by using the experimental method. The results showed that (i) with the increase of the amount of stone power, the drying shrinkage of rock chips concrete went up at first, and then the opposite change was generated; (ii) The small hollow blocks made by the rock chips concrete after steam curing kiln, under the condition of enough water curing and seal environment, had higher compressive strength and smaller shrinkage comparing with other curing methods.

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64-69

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December 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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