Four double deck bridges for highway and railway over changjiang river 长江上的4座公路铁路两用桥
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It is a new form of the structure of the steel deck bridge 在桥梁工程中，它是钢桥桥面结构的一种新形式。
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Two - deck bridge 双层甲板桥楼
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At north pieces of railway deck bridge at tongji university way , treasure it designs to be at new urban thingseses at backbone of city distance by yang way yang project treasure , the red line of road is 45 meters wide , ward off the way of urban backbone built once 宝杨路、铁山路拓宽改建工程：宝杨路工程由北段铁路跨线桥西至同济路，宝杨路设计为新城区东西向城市主干路，道路红线宽45米，一次辟筑的城市主干路。
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It calculate 60 driving speed kilometers / hour , it design 30 kilometers of speed of deck bridges road , ground of offices / hour , road calculate and load type standard cars standard bzz - 100s , iron do distance to city one for new urban north and southses by mountain path by road surface structure , calculation 40 driving speed kilometer / hour 计算行车速度60公里/小时，跨线桥处地面道路设计车速30公里/小时，道路路面结构计算荷载标准bzz - 100型标准车，铁山路为新城区南北向城市次干路，计算行车速度40公里/小时。
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