Steel beam which is used in city walking platform bridge welding, assembly, processing and main points of construction are introduced.

介绍了城市人行天桥钢梁焊接装配工艺流程及施工要点。

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The flat steel plate wall shall be strengthened by the vertical stiffeners and horizontal webs, and provided with walking platform with handrails.

平板围壁应该使用垂直扶强材和水平桁加强并且提供有扶手的步行平台。

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The utility model is characterized in that the feeding body is parallel to the track walking direction and is positioned on the side of the walking platform;

特点是给进机身与履 带行走方向平行并位于行走平台的侧边；

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Surveillance video shows him walking slowly toward the platform's edge and then over it.

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