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建筑防火墙必须使用被认可的不燃材料,并且必须满足其使用场合的特定空间,能够达到最小耐火等级极限的要求。图示为采用混凝土砌块砌体单叶墙体作为防火墙,并同时承载型钢梁结构楼板或屋顶的承重墙体。楼板和屋顶与砌块砌体墙体的连接,使用传统的砌筑施工构造详图。在2000版或2003版《国际建筑规范》(编辑注:美国建筑设计的强制性规范。其它细节的设计施工要求,
Building firewalls must use approved non-combustible materials and must meet specific spaces for their use, meeting the minimum fire rating requirements. The figure shows the use of concrete block masonry single leaf wall as a firewall, and at the same time bearing steel beam structure of the floor or roof load-bearing walls. Floors and roofs are connected to blocks of masonry walls, using traditional masonry construction details. In the 2000 edition or 2003 edition of the “International Building Code” (Editor’s Note: The United States architectural design of the normative. Other details of the design and construction requirements,