主梁截面面积变异对斜拉桥跨中挠度和尾索索力具有显著的影响。
The variation of sectional area of girders has influence to the deflection of cable-stayed Bridges at the middle of span and forces of cables anchored at the end of side span.
通过对加固梁荷载—跨中挠度曲线的分析，推导出了加固梁的短期刚度计算公式。
Through the load-deflection curves analysis of the reinforcement beams, this article also derived a short-term stiffness formula for calculating.
计算结果表明：跨中截面上下缘应力计算值与试验值误差在5%左右，跨中挠度误差在1%左右。
The result indicated that, the section upper and lower reason stress error is about 5% while stepping, the deflection error, about 1%.
结果表明：在匀速移动荷载作用下，带支座损伤的空心板桥跨中挠度的动力放大系数可以比支座未损伤时增大22%。
The results show that: In the uniform moving loads with bearing damage of the hollow cross-Panchiao deflection dynamic magnification factor of the bearing can not damage more than 22 percent increase.
在已建设的众多预应力混凝土空心板桥梁中，存在出现混凝土裂缝、跨中挠度过大及因施工质量问题而造成废梁等问题。
Some problems such as concrete cracking, bigger deflection of span and abandoned beams caused by construction quality have appeared in the completed prestressed concrete voided slab Bridges.
本文通过钢筋混凝土芯梁及粘贴钢板补强混凝土复合梁的疲劳试验，研究了它们在疲劳试验过程中载荷和加载线位移及跨中挠度的变化规律。
This paper deals with the load-deflection and load displacement curves of beams basedon the fatigue experiments of plated and unplated RC beams.
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.
并就弹性阶段，得到了试验梁跨中作用集中荷载时，弯曲挠度与剪切挠度之间的相对增长关系。
Furthermore, at the elastic stage, relationship between the bending deformation and shear deformation of test model under the inter-concentrated load was showed.
其次，实测单悬臂T梁跨中、四分点截面挠度横向分布与悬臂端牛腿处挠度横向分布基本接近。
The transverse distribution of load at midspan or quarter span obtained by tested deflections of beams approaches th…
其次，实测单悬臂T梁跨中、四分点截面挠度横向分布与悬臂端牛腿处挠度横向分布基本接近。
The transverse distribution of load at midspan or quarter span obtained by tested deflections of beams approaches th…
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