Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 27, Issue 1, Pages 382-389Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2011.07.033
Keywords
Magnesium oxychloride (MOC) cement; Extrusion; Die swell; Wood-cement composite; Nailing ability; Perlite; Sawdust
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Funding
- China Ministry of Science Technology [2009CB623200]
- European Commission
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Magnesium oxychloride (MOC) cement is a type of non-hydraulic cement with yellowish color in nature and low alkalinity exhibiting many other properties superior to Portland Cement (PC). In this study, lightweight wood-MOC cement composite building products, with sawdust and/or perlite as aggregate, were made through extrusion. Physical, nailing and mechanical properties of these composites were investigated. It was found that the specific dry densities of the wood-MOC cement composites were close to 1.0 and they were nailable like hard natural wood. Their flexural strength decreased as temperature increased. By replacing 50% sawdust in weight by perlite, the composite exhibited less die swell and better performance in resisting high temperature. (C) 2011 Elsevier Ltd. All rights reserved.
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