Structural restoration of wooden beams by means of epoxy resin
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The structural restoration of deteriorated beam ends by means of epoxy mortar is discussed. The results of a test programme are presented: determination of bond strength as a function of the degree of humidity of the wood; anchoring strength of glass-fibre reinforced polyester bars and steel bars, glued in wood or in epoxy mortar. A comparison is made between the results of these elementary tests, and the behaviour of restored full-size beams. The phenomena leading to rupture of the structural element are described, in order to define the direction of future research.
KeywordsEpoxy Bond Strength Cohesion Strength Longitudinal Crack Wooden Beam
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