矢高指拱桥中的矢高 矢高即拱桥主拱圈从拱顶到拱脚的高差。具体分为计算矢高和净矢高两种。净矢高即拱顶下沿与拱脚间高差,用f0表示,计算矢高即拱轴线上拱顶与拱脚(起拱线)间高差,用f表示。
对于矢跨比较小的坦拱,矢高与截面回转半径的比值将决定拱的屈曲形式。
Secondary buckling mode of shallow arches depended on the ratio of rise to gyration radius.
这些参数为索预应力、索垂度、拱矢高、拱竖向抗弯刚度以及索和拱的轴向刚度比。
These are prestress in cables, sag of cables, rise of arches, the vertical flexible stiffness of arches and the axial stiffness ratio between the cable and the arch.
根据光束传输的能量分配守恒法则和折射定律建立方程组,通过数学软件数值求解方程组,解得非球面矢高表达式。
The expression of aspheric surface is obtained by solving numerically equations based on law of conservation of energy and refraction law by mathematical software.
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