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电缆穿越不同的防火分区

网址:www.fanghuodianlan.cn  2022-07-02  作者:admin    阅读:

电缆穿越不同的防火分区;
(1) Cables passing through different fire zones;
(2) 电缆沿竖井垂直敷设穿越楼板处,超高层建筑应每层进行封堵,其他建筑可每隔2~3层进行封堵;
(2) Where the cable is laid vertically along the shaft and passes through the floor slab, each layer of super high-rise building shall be blocked, and other buildings can be blocked every 2-3 layers;
(3) 电缆隧道、电缆沟、电缆间的隔墙处;
(3) Cable tunnel, cable trench and partition between cables;
(4) 穿越耐火极限不小于1h的隔墙处;
(4) Passing through the partition wall with fire resistance limit not less than 1h;
(5) 穿越建筑物的外墙处;
(5) Crossing the outer wall of the building;
(6) 至建筑物入口处,或至配电间、控制室的沟道入口处;
(6) To the entrance of the building, or to the channel entrance of the power distribution room and control room;
(7) 电缆引至电气柜、盘或控制屏、台的开孔部位。
(7) The cable is led to the opening part of the electrical cabinet, panel or control panel and platform.
14. 电缆防火封堵,可根据不同情况,分别采用防火胶泥、耐火隔板、填料阻火包、防火帽等方式方法。
14. According to different situations, fire-proof cement, fire-resistant partition, filler fire-retardant package, fire-proof cap and other methods can be used for fire-proof plugging of cables.

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