【摘要】 介绍了某门式刚架轻型房屋钢结构火灾事故的起因及后果 ,并对主体结构进行了检测和分析 ,本着安全经济的原则 ,提出了相应的加固改造方法。更多还原

【Abstract】 This paper introduces the cause and consequence of fire accident to a light steel mill building with portal frames Test and theoretical analysis are performed for the main structure,and the strengthening methods are also proposed under the principle of safety and economy更多还原