Based on viaduct over airport expressway in Zhengzhou, this paper mainly expounds supervising measures about full-welding construction of steel box girder.

结合郑州跨机场路高架桥，主要阐述了全焊接钢箱梁施工的监理措施。

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At present, there is not special technological criterion or specification in China for manufacturing and welding steel structure of railway bridge girder erecting machine.

目前，国内在铁路架桥机钢结构的制造及焊接工艺方面，还没有专门的规范或规程。

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Pit-less type platform scale, checked iron surface plate (surface plate of SST models is smooth plate) combined with welding U-shaped steel girder formed a higher strength and reliable platform scale.

台面采用花纹面板（不锈钢系列为光板面板），U型钢梁焊接，强度高。

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