The paper analyzes the controllable shortages,such as some rule-breaking behaviors violating the technical regulation of the steel structure and the acceptance standards,illustrates all sorts of common diseases and their reasons,and points out the respective prevention measures,so as to direct the practice and to ensure the construction quality of the steel structure.%对违反钢结构技术规范和验收标准的一些违规行为作为可控缺陷进行分析,阐述了各种常见缺陷产生的原因,并制定相应的预防措施,以期指导实践,保证钢结构的施工质量。
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