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在无桥台斜腿刚架桥的静力计算方面提出了一种数值计算方法,即把高次线性方程组简化为低次线性方程组,大大节省了计算机内存空间及运算机时,方便了科研及设计人员快速了解该桥型的受力特性。数值算例表明,所提出的计算方法不仅计算结果可靠,而且采用此法对无桥台斜腿刚架桥进行静力分析十分方便。
A new method of numerical calculation is proposed in the static calculation of bridge without bridge abutment. The method simplifies the high-order linear equations into low-order linear equations, saves the space of computer memory and the computer, which is convenient Research and design personnel to quickly understand the bridge-type stress characteristics. Numerical examples show that the proposed method is not only reliable, but also it is very convenient to use this method to do static analysis of bridge without bridge abutment.