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防火间隔的尺度应根据建筑的重要性而定

来源:http://www.sdyingxu.com/news/83.html 发布时间:2017-06-14

外墙外保温系统的防火保温有四个方面:防火隔离带、挡火梁、无空腔构造和防火维护面层。

There are four aspects of fire prevention and insulation in exterior wall insulation system: fire isolation belt, fire suppression beam, no cavity structure and fire protection surface layer.

需要特别指出的是关于运用热塑性可燃、易燃材料的外墙外保温系统,由于发生火灾时易发作滴落、流动火灾,即便设置防火隔离带也容易发作火灾“跳跃 式”延伸,因而运用防火隔离带方法,必需还对外墙外保温材料做出必定的约束。防火间隔的尺度应根据建筑的重要性和保温材料的焚烧机能断定并在标准中予以明 确划定。

Of particular note is on the wall to use thermoplastic flammable and combustible materials of external thermal insulation system, because the fire prone to dropping, flow of fire, even set fire belt to fire the "leap" extension, so the use of fire belt method must also on the exterior insulation material to make certain constraints. The scale of fire prevention intervals shall be determined according to the importance of the building and the burning function of the insulation materials, and shall be clearly defined in the standard.

一体化保温板生产厂家

防火隔离带应挑选不燃材料,在空腔构造中应是损坏空腔构造的全体技能,而且在笔直方向和水平方向都应该设置。防火隔离带可以有效地阻碍火焰延伸,防 止外墙外保温系统墙面全体焚烧,起到“防火分区”和“防火间距”的作用,在外墙保温系统特别在空腔构造的幕墙构造中应很多运用。A级防火保温材料

Fire isolation strips shall be made of non combustible materials. In the cavity structure, all the skills that damage the cavity structure shall be provided, and shall be set in both straight and horizontal directions. Fire belt can effectively prevent flame extension, prevent the burning system of exterior insulation wall, to "fire" and "fire prevention space", in the external wall insulation system especially in curtain wall structure in the use of a lot of cavity structure.

此外,为防止建筑内部火灾向外卷吸延伸点燃外墙保温材料,应划定运用非a级外保温材料的建筑物外墙启齿部位上方应设置挡火梁。然而,这种隔火构造方 法原理与防火隔离带相似,不燃材料的挡火梁水平设置于门窗洞口的上边缘,并伸出门窗洞口竖向边缘必定长度,以防止室内火焰向上卷吸延伸。

In addition, in order to prevent the construction of internal fire, the external suction and extension of the external wall insulation materials should be designated, the use of non - class insulation materials outside the building, the outer wall should be located above the fire suppression beam. However, the fire principle and construction method of fire belt is similar to that of non combustible material fire on the edge of beam is horizontally arranged on the windows and doors, windows and doors and a vertical edge length must, in order to prevent indoor flame up suction extension.

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Company all-round service to customers, with high quality, reasonable price and perfect after-sales service and customer work hand in hand, and common development. Quality assurance, welcome to consult and negotiate.

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