Experimental Study on Lateral Resistance of Timber Post and Beam Structures Strengthened with Carbon Fiber Reinforced Polymer

Abstract:

In order to study the lateral resistance of glued laminated timber post and beam structures strengthened with carbon fiber reinforced polymer, cyclic tests on three full scale one storey, one bay timber post and beam construction specimens were carried out. The experimental program includes cyclic test, retrofitted by carbon fiber reinforced polymer (CFRP) at the end of post and beam and retest of using the same protocol of cyclic loading. The test result shows that the CFRP retrofitting approach can restrain the development of crack, recover the lateral resistance such as strength, stiffness and ductility of the damaged structures and improve energy dissipation capacity.

Key words:seismic strengthening; timber post and beam structures; carbon fiber reinforced polymer; cyclic test