The vertical loaded free frequencies for the different span simply supported beam Bridges are investigated with the vehicle bridge system model.
采用车-桥系统相互作用的计算模型，对不同跨度简支梁桥的竖向有载自振频率进行了深入研究。
Traditional methods treat each span segment as a simply-supported beam or clamped-clamped beam in practice.
传统方法是将悬跨管道简化为两端简支或者两端固支梁来处理。
Thus, when reinforcing the multi-span simply-supported T-beam by this method, enhancing the shear resistance of beam at intermediate support must be conducted yet.
建议在采用此方法加固多跨简支T梁的同时应对中间支点梁的抗剪能力进行加固。
Owing to consistent bridge span forms, similar sections and unified structures, simply supported girder bridges have been widely applied in the high speed railway.
简支梁桥以其桥跨外形一致、截面相同、构造布置统一的优点在高速铁路中得到了广泛的应用。
At present, the existing researches on interaction have mainly focused on the small span simply-supported Bridges, while there is not so much works on continuous Bridges.
针对现有梁轨相互作用研究主要集中于小跨度简支梁桥，而对于连续梁桥梁轨相互作用研究较少。
At present, the existing researches on interaction have mainly focused on the small span simply-supported Bridges, while there is not so much works on continuous Bridges.
针对现有梁轨相互作用研究主要集中于小跨度简支梁桥，而对于连续梁桥梁轨相互作用研究较少。
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