首先,设计内容不全面,未严格按照相关设计标准规范进行设计,是导致金属屋面风揭破坏的重要原因之一。设计时抗风等级不足,檐口、周边等局部风荷载敏感区域构造措施不当,使得金属屋面在突发大风的恶劣天气下,外部风压对屋面板形成极大的向上负风压,且瞬时阵风比平均 ...
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