According to the features of the high-rise buildings,the paper classifies the hazardous factors of the architectural projects,analyzes the significance for the safety risk assessment,introduces the methods of the assessment,and sums up the prevention measures for those hazards, including the falling accident from high places,contact incidents,object strikes,and mechanical injury,so as to ensure the safety in the con-struction.%针对高层建筑的特点，对建筑工程的危害因素进行了分类，分析了安全风险评价的意义，介绍了安全风险评价的方法，总结归纳了高处坠落、触电事故、物体打击、机械伤害等主要危害因素的防治措施，以确保施工安全。
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