本文简介了美国国家标准《钢结构焊接规范》的主要内容和规范的特点。
In this paper, the main content and the feature of the code- the American National Standard "Structural Welding Code-Steel" are introduced.
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。
At present, there is not special technological criterion or specification in China for manufacturing and welding steel structure of railway bridge girder erecting machine.
KK型圆钢管搭接节点，搭接处隐藏焊缝焊接与否的问题，现行钢结构设计规范（GB50017-2003）未作明确要求。
The question whether hidden weld in unstiffened overlapped CHS KK-joints is welded or not is not clearly metioned in current code for design of steel structures(GB50017-2003).
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