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钢结构厂房的火灾的将合理破拆作为改变火势蔓延途径的有效手段

发布时间:2015-11-12 9:47:00 浏览次数:599

火势蔓延,极大程度上依赖性。火灾高温时烟气蔓延,烟气的流动扩散速度和烟气温度、流动方向的关系。大型框架结构建筑面积大,火灾初期火范围往往是有限的。那场火灾扑救中不能盲目拆建筑。文科合理应用流体力学的原理进行了科学的钱先想位置不当会使火势迅速蔓延扩大至整个空间。整个建筑内部的浓烟和热气中的动作情况,实施方面的文科优势想尽量减少这新鲜的空气进来,减缓了发展,同时通过射水枪水引出温度降低。


如果同时破拆门窗上,下风向的火焰就跟烟推而广之。如果屋顶的窗口,但是现在构件耐火极限时间范围内,确保安全的条件下,旧뜯어燃烧上方窗口演技上积热导出。同时,屋顶人员和地面人员联系内功,屋顶和地板拆除旧水枪冷却掩护同步实施。孤独。引出燃烧构件耐火极限时间超时,屋顶想不对。


The fire spread, to a great extent, dependence. The relationship between the flow velocity of the flue gas and the temperature of the flue gas, the flow direction of the fire at high temperature. Large frame structure building area is large, the initial fire range is limited. The building can not be demolished in the fire. Liberal arts reasonable application of fluid mechanics principle of scientific money first to the location of the fire will quickly spread to the whole space. Action throughout the building of smoke and heat, the implementation of the advantage of Arts and want to minimize the fresh air coming in, slowed down the development, at the same time, through the jetting gun water leads to the decrease of temperature.


If at the same time, breaking the windows and doors, under the direction of flame and smoke give extended application. If the window of the roof, but now fire-resistant limits time range and to ensure the safety of the conditions, the old combustion acting on the top of the window heat accumulation is derived. At the same time, the roof and ground crew contact strength, roof and floor demolition of the old water to cool the cover of synchronous implementation. Lonely. Leads to the fire limit time of the fire burning, the roof is not right.


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