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Bending Creep Performance of Domestic Wood-Concrete Hybrid Laminated Materials
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 Title & Authors
Bending Creep Performance of Domestic Wood-Concrete Hybrid Laminated Materials
Cho, Young-june; Byeon, Jin-Woong; Lee, Je-Ryong; Sung, Eun-Jong; Park, Han-Min;
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In order to develop materials with a low environmental load for restoring the destroyed forest, seven types of wood-concrete hybrid laminated materials were manufactured with four softwoods, three hardwoods and concrete, and the effect of wood density on bending creep property was investigated. The bending creep curves showed a shape to considerably increase at the upper right side, and the curves were found to show a linear behavior beyond about 30 min - 1 hour, as behaviors of solid woods and wood-based materials. The initial compliances of wood-concrete hybrid-laminated materials decreased with an increase in the wood density, and those values showed 0.9 - 1.2 times of the concrete one. The creep compliances of hybrid laminated materials showed very low values, which were 0.4 - 0.8 times of the concrete ones. The relative creep were very low with a range from 8.2% to 17.0% range, which were 0.3 - 0.7 times of the concrete ones. These results indicate that these materials can be applied for restoring the destroyed forest to reduce creep deformation of the conventional concrete materials by hybrid-laminating concrete and woods.
wood density;concrete;hybrid laminated materials;initial compliance;creep compliance;
 Cited by
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