slab and girder

The interface between concrete slab and steel girder was simulated as Goodman nonlinear elastic sandwich. The relationship between the slip, deflection and load of double composite beam in elastic state was analyzed by Goodman elastic sandwich method.

将混凝土板与钢梁的接触面模拟成Goodman非线性弹性夹层，用Goodman弹性夹层法分析双层组合梁在弹性工作阶段的滑移及挠度与荷载之间的关系。

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This paper introduces the material requirement and technical target of PPC low depth box girder, and compare with the material requirement of hollow slab.

本文主要介绍我省开发的PPC低高度箱梁系列的材料用量和技术指标，同时与我省高速公路采用的空心板系列材料用量进行比较，并根据我省某大桥采用不同结构形式进行经济分析。

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Combined with the result of a bridge with 20 ° oblique angle test, the author has analyzed the hollow slab girder bridge through 2 models of space grillage analogy unit and space entity unit separately. The analytical result of different section stress and defection are put forward.

结合一座斜交角为20°实桥的试验结果，分别利用空间梁格单元模型和空间实体单元模型对该空心板梁桥进行了理论分析，给出了不同截面应力、挠度的对比分析结果。

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The slab-on-girder bridge is modeled as orthotropic plate, and the vehicles are modeled as a group of loads moving on top of the bridge deck at fixed distance and constant speed.

将板梁桥等效为正交异性板，车辆等效为等间距常速度在正交异性板上移动的一组荷载。

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Through integrating the steel girder and the concrete slab with shear connectors, steel-concrete composite beam has been widely used in the structural and bridge engineering.

钢-混凝土组合梁是钢梁和混凝土板通过剪力连接键连接而成的组合结构，在现代结构和桥梁工程中得到了广泛的应用。

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