GB 50116-2013 第4.6.2条
| | Linked control of fire shutter doors: For fire shutter doors installed in evacuation routes, the alarm signal from any two independent smoke fire detectors within the fire compartment or from any single smoke fire detector dedicated to linked control of the fire shutter door shall serve as the linked trigger signal for lowering the shutter to 1.8 m above the floor slab; the alarm signal from any single heat fire detector dedicated to linked control of the fire shutter door shall serve as the linked trigger signal for lowering the shutter fully to the bottom. |