浅谈公路桥梁结构抗剪计算

On the calculation of shearing of road bridge structure

比较了公路桥梁结构抗剪计算的新旧规范,重点分析了异号弯矩影响系数α1,预加应力的提高系数α2及受压翼缘的影响系数α3,通过对国外和大量试验以及同类其他规范比较证明,我国现行桥梁规范中的抗剪计算是合理的、有足够安全储备的。

It compares the new and old criterion of the calculation of shearing of road bridge structure, analyses the affection coefficient a1 of different moment, the increasing coefficient a2 of pre-stress, and the affection coefficient a3 of stressed flange girth. Through the quantity ex- periment in and out of abroad and the ~ne kind of other criterion, it compares and illustrates that it is reasonable of the shearing calculation of actual bridge structure and has enough safety reservation.