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Permanent link (DOI): https://doi.org/10.7939/R3QJ78185

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SER: Properties of Concretes and Wood Composites Using A Phosphate-Based Binder Open Access

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Author or creator
Hong, Luong T.
Lubell, Adam S.
Additional contributors
Subject/Keyword
mechanical properties
wood fibers
concrete
magnesium phosphate
glass fibers
Type of item
Report
Language
English
Place
Time
Description
Magnesium potassium phosphate ceramics are from the family of phosphate-based cements which can be used as alternatives to Portland cements. In this study, concretes and wood composites were produced using magnesium potassium phosphate ceramic binders and supplementary materials including fly ash, sand, silica fume and sawdust. Bentonite, Delvo Stabilizer and baking soda were used as additives to increase the workability and the setting time of the fresh mixutres and decrease the density of the hardened products. The materials were then reinforced with chopped glass-fibers or textile glass-fabrics to increase their hardened properties. At 50% fly ash by total mass of the binder, the concretes had compressive strength and density of 33 MPa and 2170 kg/m3, respectively, after 90 days of simple curing. At 20% fly ash by total mass of the binder, the wood composites had compressive strength and density of 13 MPa and 1320 kg/m3, respectively, after 90 days. The flexural strengths were about 10% to 47% of the corresponding cylinder compressive strengths for these mixes. Increases in both compressive and flexural strengths for these mixes were observed with the addition of chopped glass-fibers or textile glass-fabrics.
Date created
2013/05/30
DOI
doi:10.7939/R3QJ78185
License information
Creative Commons Attribution-Non-Commercial 3.0 Unported
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