近年来由于空心板梁桥的各种优点，在桥梁建设中应用非常广泛。

In recent years, because of its various advantages, hollow plank girder Bridges are widely used in bridge constructions.

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同时，简支板梁桥又是小跨径桥梁最常用的桥型之一，因此，移动车辆荷载引起的简支板梁桥动力效应越来越被工程技术界所关注。

So the dynamic response of the plate girder bridge under moving loads are the problem which is concerned about all along, and also a project to be studied deeply.

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介绍了五座城市立交桥或高架桥的钢筋混凝土连续箱梁翼板横向开裂的情况。

The cases of transverse cracking in the flange slabs of reinforced concrete continuous box girders of five urban flyovers or viaducts are introduced.

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