The arch axis of arciform aqueducts formed by the continuum topology optimization method was compared with the circular arch axis and the parabolic arch axis of the same span.

• 结果表明，由结构拓扑优化方法生成的拱轴线，自重作用下的弯矩值以及相同均布荷载作用下的应力值都比相同矢跨值的圆弧拱轴线和二次抛物线拱轴线小。