Low density HSLC reduced mid-span deflection, attenuated stress difference and negative moment more at section on top of frusta. 3.

• 低密度等级的高强轻集料混凝土可更大幅度降低连续刚构桥跨中挠度、减小墩顶截面上下缘应力差值和墩顶区段负弯矩值。