Fig. 7From: Study on the flexural behavior of poplar beams externally strengthened by BFRP stripsTypical failure of tested beams: a for JGL(B50-1100)-01; b for JGL(B50-1100)-02; c for JGL(B50-1700)-01; d for JGL(B50-1700)-02; e for JGL(B50-1900)-01&02Back to article page