Deformability of a glued wooden beam with pre-stressed composite reinforcement

Abstract

The article proposes a method for pre-stressing a reinforced glued wooden beam that involves placing steel reinforcement in the form of metal rods in the compressed zone and pre-stressed composite reinforcement in the form of tape in the tension zone. The procedure for pre-stressing is outlined, and experimental studies of such bending elements have been carried out. Graphs of the distribution of deformations in both wood and reinforcement along the height of the calculated cross-section during pre-stressing and without pre-stressing are provided. It was found that the load-bearing capacity of the reinforced glued wooden beam increased by 45% during the pre-stressing process with composite reinforcement in the tension zone.