The bamboo I-shaped beam was made of flange plate and web plate which were sawed and cut from bamboo curtain plywood, and connected and fixed by equilateral angle steel and screws. The loading experiments of the bamboo I-shaped beam were carried out by using simply supported at both ends beam, and loading at three dividing point along the direction of beam span. Theresults indicate that the reliability and effectiveness of the screw fastening between the flanges and web of the I-shaped beam were not high;and the shearing force between the edges of the web plate and the flange plate can not be ...