Repair and strengthening of LVL beams with carbon FRP

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Conference Proceeding
Incorporating Sustainable Practice in Mechanics of Structures and Materials - Proceedings of the 21st Australian Conference on the Mechanics of Structures and Materials, 2011, pp. 921 - 925
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Existing timber structures may require repair or strengthening due to reasons such as age-related deterioration, damage caused by overloading, design deficiencies due to changes in design codes and increases in loading due to functional changes. Fibre reinforced polymer (FRP) composites feature properties which make them ideal for repair and strengthening purposes. Past research has focused on the use of FRP on timber primarily for strengthening purposes. Less emphasis has been placed on the use of FRP to repair damaged timber members. This paper presents the results from a preliminary investigation on laminated veneer lumber (LVL) beams either repaired or strengthened with carbon FRP. The test results indicated that FRP strengthening allowed the repaired specimens to recover up to 68% of their original strength, while the strengthened specimen showed an improvement in ductility. © 2011 Taylor & Francis Group, London.
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