Possibilities of Recycled Concrete Aggregate in Cement-Based Flowscreed

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This paper presents some test-results of using fine recycled concrete as a partial replacement of natural aggregates in cement-based flowscreed. Special attention is given to describing and studying rheological characteristics and mechanical properties of cement-based flowscreed. Experimental results indicate that it is possible to prepare flowscreed with partial replacement of natural aggregates by recycled aggregates and obtain a quality that meets the requirements. This study was partially connected to the research-project RecyFlowscreed [1].

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247-251

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February 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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[1] Boehme, L. et al, RecyFlowScreed: Use of fine recycled aggregates as a substitute for sand in cement bound flow screeds for subflooring, Research Report TETRA-project funded by the Flemish Government, Internal document (in Dutch), December (2011).

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[2] VÝBORNÝ, J., Recyklace betonu, Waste utilization, recycled materials in the building industry, České učení technické v Praze, Fakulta stavební, Česká republika, http: /www. udrzitelnavystavba. cz/WP3_papers/06_Vyborny. pdf (opened 19. 4. 2012).

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