| 1. | It shows that the method suggested in the paper is simple , applicable for engineering and has good precision . on the bases of the formulas deduced , and combining with relative test datas , it studies in the paper several factors influencing the bearing performance of the simple beams , such as shape of the external tendons , the equal moment segment length , span - to - depth ratio of the beam , valid initial prestress of the external tendons , area of the internal tension reinforcement , strength of the concrete , vertical distance between
在公式推导的基础上,结合相关试验资料,研究了体外筋的形状、等弯矩区长度、梁跨高比、有效张拉预应力、体内受拉筋配筋率、混凝土强度、锚固点到梁上边缘在垂直方向上的距离、体外预应力筋水平段长度(双折线型体外筋的情况)以及荷载类型等对体外预应力混凝土简支梁受力性能的影响。 |
