| 1. | The modified formulae derived from the simplified models , the one of which is the continuous beam on the elastic supports , the other is articulated beam , have been established . being analyzed , the later one is prove more reasonable 文中以弹性支承连续梁和铰接梁为基础建立计算模型,并对这两种方法进行修正,经比较后最终推导出简化的三跨铰接梁为计算模型。 |