The experiment results prove that the stiffness and the ultimate strength of the steel-concrete composite box beam are increased by 54.15 % and 27.72 %, respectively, through using external tendons.
试验证实,体外索钢箱-混凝土组合梁比普通的钢箱-混凝土组合梁的刚度提高54.15%,极限强度提高27.72%。