Study on Bonding Capacity of Modified Glued Structural Lumber for Bridge Deck Based on China Southern Plantation

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Abstract:

In order to select the optimal modification method of fire-retardant preservative formulationtion ratio for glued structural lumber of wood-based bridge deck by analysing the bonding strength of experimental samples. Through range analysis, the experiment results showed that: the mode of the best fire-retardant preservative formulationtion ratio was 45ml/(40cm×40cm) preservative, 1g/(40cm×40cm) flame retardant and 18h soaking time of adhesion. And the glued structural lumber had enough bonding strength under high flame-retardant properties, which was fit to make glued structural lumber for wood bridge.

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142-146

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May 2011

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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