Epoxy Repair of a Glulam Beam

by R. Richard Avent, Louisiana State Univ, Baton Rouge, LA, USA,
Vijaya K. A. Gopu, Louisiana State Univ, Baton Rouge, LA, USA,
Randy Boudreaux, Louisiana State Univ, Baton Rouge, LA, USA,

Document Type: Proceeding Paper

Part of: Evaluation and Upgrading of Wood Structures: Case Studies


The repair of timber structures by epoxy injection techniques is a recently developed repair alternative. Theoretical and experimental studies have resulted in the formulation of design criteria and guidelines for the use of epoxy repair on timber structures. However, relatively little documentation is available on the application of the epoxy repair method, and most of the current repair examples have involved lap joint repair of timber trusses. Described here is the repair of a deteriorated glulam arch using epoxy injection. For this repair, a large portion of the arch was replaced by a new section and epoxy bonded to the existing arch. The discussion includes the evaluation of the damage, the design of the repair, a step-by-step account of the repair, and an assessment of the repair success.

Subject Headings: Epoxy | Synthetic materials | Rehabilitation | Laminated materials | Beams | Wood and wood products | Wood structures | Trusses

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