Resistant Behavior of Composite Rubber Wood Beams under Impact Loads

Abstract

The research is aimed to study about the resistant action of assembled rubber wooden beams under their impact and another one of rubber wooden beams supplemented by carbon fiber sheet, by for testing the beam which has the length of 1.00 m, 1.50 m and 2.00 m by free fall drop the weight of 15 kg at 0.60 m, 0.80 m and 1.00 m height. The study of the resistant action of assembled rubber wooden beams under their impact is investigated between before and after they are supplemented by carbon fiber sheet. The result demonstrated that the rubber woods are considered as softwood following Thailand Engineering Standard (EIT). The information of impact testing when free fall drop the weight of beam just once showed the differences of deflection of assembled rubber wooden beams with carbon fiber and the ones with no carbon fiber. The deflection increasingly happened following to the height of the weight left. In the group of the length beams at 1.00 m, 1.50 m and 2.00 m found that rubber wooden beams with carbon fiber deflected less that found that rubber wooden beams with no carbon fiber at the percent of 30.43 to 33.33, 30.23 to 35.29 and 33.17 to 35.38 respectively. For testing the beams until blooming, it would find the aspect of the blooming of assembled rubber wooden beams with carbon fiber way tougher than the ones with no carbon fiber.