建筑电气设计毕业英文翻译内容摘要:

disastrous fire aroused profound consideration of the fire safety of highrise residential buildings in China. This disaster was caused by the energysaving project of the building, not because of the design of the highrise building itself, however, how to improve the fire safety of highrise residential buildings and to safeguard the life safety of the residents has bee the most important issue that must be considered seriously during the fire safety design of this kind of building. Therefore, analysis of the problems in the fire safety design of a highrise building in the north part of China has been done as an example to provide references for the fire safety design of the same kind of buildings in the other areas of China. 2. Fire risks of the highrise residential building Fire risks of the highrise residential building usually include the followings. (1) Rapid fire and smoke spread. Because of the “chimney effect” of the highrise building, fire and smoke can spread to the upper floors very rapidlythrough staircases, elevator shafts and ducts in a very short time if the fire and smoke control measures are not adequate. (2) Difficult fire fighting and rescue. Factors like the height of the building, the inadequate fire fighting equipment and fire fighting at an elevated heightcertainly increase the difficulties of the fire fighting in a highrise building. Moreover, the current cladding systems of mosthighrise buildings in China are bustible, which contribute a lot to the vertical spread of fire. In this case, fire covers thebuilding from outside and it increases the difficulties for fire fighters to do fire fighting and rescue. (3) Difficult safe evacuation of the occupants. Generally speaking, there will be more occupants in a highrise residential building than those of a low building. In addition, the vertical travel distance for a highrise building is quite long, which makes the evacuation more difficult. Furthermore, the fire safety sense of the public in China needs to be improved. The lack of mon sense of fire safety and 第 9 页 信息与控制工程学院毕业设计(论文)英文翻译 ability of escaping safely from the building in case of fire increases the safe evacuation time. (4) Fire usually lasts for a quite long time. Fire lasts longer in a highrise building because highrise buildings are usually large in area and heavy in fire load. Therefore, highrise building fire often lasts longer and sometimes it may spread to the adjacent buildings. 3. Highrise building fire distribution mon Fire Distribution Program Fire distribution methods are monly used in radiation type, tree type, chain, four kinds of hybrid (1) The radial distribution of the failure of any one line to each other affect each other, the equipment is easy to manage a high supply reliability. However, more than qualify ing nonferrous metals consumed in large quantities, switching equipment, and more investment in higher operating costs for a single piece of equipment of large capacity, power supply reliability high. (2) The trunktype distribution when the route failure, a larger sphere of influence, but coupled w。
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