The paper analysed the human error mechanism of steel structure construction, pointed out that the main influence factors of human error of steel structure construction, combining with a specific engineering, summarized the statistical contents of human error and measures controlled the human error, in order to reduce the safety accidents in steel structure construction.%分析了钢结构施工人为失误机理，指出了钢结构施工人为失误的主要影响因素，并结合具体工程总结了人为失误的统计内容以及控制人为失误的措施，以减少钢结构施工安全事故的发生。
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