Compared with prestressed rebar concrete beam, its stiffness is more little. Especially in the-big-span bridge, its deflection is a important control factor which influence its application.
与预应力钢筋混凝土梁相比，其刚度较小，特别是在大跨径桥梁中，其挠度变形是影响其应用的重要控制因素。
Compared with prestressed rebar concrete beam, its stiffness is more little. Especially in the-big-span bridge, its deflection is a important control factor which influence its application.
与预应力钢筋混凝土梁相比，其刚度较小，特别是在大跨径桥梁中，其挠度变形是影响其应用的重要控制因素。
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