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Recycling fine sandcrete block waste (FSBW)as fine Aggregate in the production of sandcrete Block

Joshua, Opeyemi and Olusola, K. O and Amusan, L. M. and Omuh, I. O. (2013) Recycling fine sandcrete block waste (FSBW)as fine Aggregate in the production of sandcrete Block. IJRRAS 15, 15. pp. 359-364.

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The study investigated the use of Fine Sandcrete Block Waste (FSBW) as fine aggregate in the production of sandcrete blocks with a view of controlling waste and decongesting block molding production sites. Standard sandcrete blocks of size 450mmX225mmX225mm were prepared from a mix ratio 1:6 (cement: fine aggregate) containing sand and FSBW as fine aggregates. The sand was partially replaced by FSBW in the mix within the range 0% - 90% in steps of 10%. The blocks were cured for 28 days and then tested for compressive strength. The physical properties of both the sand and FSBW were also determined. The results of the study revealed that the physical properties of FSBW compares favorably with those of conventional sand with the exception of water absorption. It further showed that the density and the compressive strength of the tested blocks decrease as the percentage replacement of sand with FSBW increases. The density of the blocks varied linearly with the compressive strength. Blocks prepared for mixes having 50% FSBW content or less were found to satisfy the minimum recommended compressive strength of 3.45N/mm2 (NIS 87:2000).

Item Type: Article
Subjects: T Technology > TH Building construction
Divisions: Faculty of Engineering, Science and Mathematics > School of Civil Engineering and the Environment
Depositing User: Mrs Patricia Nwokealisi
Date Deposited: 14 Oct 2013 09:04
Last Modified: 14 Oct 2013 09:04

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