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(7) Automatic water spraying fire extinguishing system is set up in this project. The setting place of fire danger rating for the dangerous level (Level 1), automatic sprinkler system design for wet type automatic water spraying fire extinguishing system, system uses a central water spray, head selects ZST-20 series of standards rapid response of glass ball sprinkler.
(8) The engineering anti smoke exhaust design to use the combination of natural and mechanical smoke exhaust, each layer of smoke preventing zoning in the span of fireproof subarea based on partition, underground layer 2, the first floor, two thousand three hundred forty-five each of the three fire partition. In the basement of the fire room, a pressurized air supply system is set up, and the fan is arranged on the ground.
(9) The fire automatic alarm system of the project is two level, and the centralized alarm system is set up. In the underground equipment room, water pump room and other relative humidity is higher in the choice of intelligent smoke detector, the first floor and above the floor of the room and the public places, choose intelligent smoke detector. Each fire partition set up a manual alarm button arranged at both ends of the corridor, the central corridor, stairs and other regions, installed on the wall, away from the bottom (floor) surface height of 1.3 ~ 1.4 m, and clearly marked.
Keywords: Emergency Building; Fire protection design; Safety evacuation; Fire extinguisher configuration; Fire hydrant system
目 录
1 绪论 11
1.1 设计目的和意义 11
1.2.1 国内对建筑防排烟技术研究 12
1.2.2 国外对建筑防排烟技术研究 13
1.2.3 防排烟技术发展方向的论述 14
1.3 研究内容和依据 15
1.3.1研究内容 15
1.3.2主要设计规范及依据 15
2 急诊楼总平面防火设计 16
2.1 工程概况 16
2.2 建筑物耐火等级 17
2.2.1 建筑材料的燃烧性能分级 17
2.2.2 建筑构件的燃烧性能和耐火极限及其关系 17
2.2.3 确定建筑的分类 17
2.2.4 建筑耐火等级设计 18
2.3 建筑总平面布置 19
2.3.1 防火间距设计依据 19
2.3.2 防火间距设计 19
2.4 消防车道设计 20
2.4.1 消防车道 20
2.4.2 消防车道设计 20
3 急诊楼平面防火设计 23
3.1 防火分区设计 23
3.1.1 防火分区划分依据 23
3.1.2 医院水平防火分区设计 24
3.1.3 医院垂直防火分区设计 24
3.2 设计小结 25
4 急诊楼安全疏散设计 26
4.1 安全疏散设计原则 26
4.2 安全疏散设计 26
4.2.1 疏散安全分区