解析消火栓全軟管的有效長度內容
來源：http://www.xintli.net/ 日期：2022-07-31
通常情況下，消防車通過軟管滅火劑（水）到火災現場。所以，軟管的有效長度對于滅火非常重要。下面就來講講消火栓全軟管的有效長度內容。
Usually, fire engines send fire extinguishing agents (water) to the fire scene through hoses. Therefore, the effective length of hose is very important for fire extinguishing. Now let's talk about the effective length of the whole hose of the fire hydrant.
在設計和施工過程中，軟管的有效長度通常有兩種選擇，一種是20m，另一種是25m，以保持建筑物外觀簡潔，通常為25m，這可以減少消防栓數量，節省消防費用。
In the process of design and construction, there are usually two choices for the effective length of the hose, one is 20m, the other is 25m, to keep the appearance of the building simple, usually 25m, which can reduce the number of fire hydrants and save fire-fighting costs.
在進行設計和布置時，消防設計師通常在消防栓周圍進行滅火工作。消火栓的半徑為25m，是消防栓的有效保護區。然而，在實踐中，該方法缺乏一些可操作性。
When designing and arranging, fire designers usually carry out fire fighting work around fire hydrants. The radius of the fire hydrant is 25m, which is an effective protection area for the fire hydrant. However, in practice, this method lacks some operability.
消防員必須從軟管前部的消防栓上取下噴嘴，然后迅速跑到火上。這意味著軟管的長度必須大于或等于消防員的距離。其次，當軟管裝滿時，消防員會跑得更快，錯過滅火的佳時間。
Firefighters must remove the nozzle from the fire hydrant in front of the hose and quickly run to the fire. This means that the length of the hose must be greater than or equal to the fireman's distance. Secondly, when the hose is full, firefighters will run faster and miss the good time to put out the fire.
另外，
川消小編認為軟管在工作過程中容易纏繞，減少了有效長度。例如，軟管在被水填滿后被拖到地上，與帶槍的消防員的高度有一定的無效距離。
In addition, Chuanxiao Xiaobian believes that the hose is easy to wind during the working process, reducing the effective length. For example, the hose is dragged to the ground after being filled with water, which has a certain invalid distance from the height of the fireman with a gun.
在牽引過程中，軟管將被其他物體擋住，從而繞過并進一步減少軟管的有效長度。根據相關的防火數據，可以發現軟管的有效長度乘以減小系數（0.8），即實際有效長度。換句話說，25m長的軟管實際上只有20m長。
During towing, the hose will be blocked by other objects, so as to bypass and further reduce the effective length of the hose. According to the relevant fire prevention data, it can be found that the effective length of the hose multiplied by the reduction factor (0.8), that is, the actual effective length. In other words, a 25m long hose is actually only 20m long.
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