鋼質普通型橋架的防腐年限的時間
In the cable laying, in addition to the use of floor trench and wall buried pipe way, in the shaft and ceiling inside the house should also use the cable tray. Selection of cable tray types and varieties:
1、需屏蔽電氣干擾的電纜網路或有防護外部(如：有腐蝕液休，易燃粉塵等環(huán)境)影響的要求時，應選用(FB)類槽式復合型防腐屏蔽電纜橋架(帶蓋)
1, the need to shield the electric cable network interference or external protection (such as: corrosion liquid, flammable dust and other environmental impact) requirements, should choose (FB) groove composite anti-corrosion shielding cable bridge (with cover)
2、強腐蝕性環(huán)境應采用(F)類復合環(huán)氧樹脂防腐阻燃型電纜橋架。托臂、支架也要選用同樣材料，提高橋架及附件的使用壽命，電纜橋架。在容易積灰和其它需遮蓋的環(huán)境或戶外場所宜加蓋板。
2, strong corrosive environment should adopt (F) composite epoxy resin anti-corrosion flame retardant cable tray. The bracket will choose the same material, improve the service life of the bridge and annex, cable tray. Cover the floor in easy to dust and other environment or outdoor places that need to be covered.
3、除上述情況外，可根據現(xiàn)場還環(huán)境及技術要求選用山東電纜橋架型式及品種的選擇托盤式、槽式、梯級式、玻璃防腐阻燃電纜橋架或鋼質普通型橋架。在容易積灰和其它需遮蓋的環(huán)境或戶外場所宜加蓋板。
3, in addition to the above, according to the requirements of site environment and technology selection of Shandong cable tray type and selection of varieties of tray type, channel type, ladder type, corrosion retardant glass or steel cable tray type bridge. Cover the floor in easy to dust and other environment or outdoor places that need to be covered.
4、在公共通道或戶外跨越道路段，底層梯級的底部宜加墊板或在該段使用托盤 。大跨距跨越公共通道時，可根據用戶要求提高橋架的載荷能力或選用行架。 5、大跨距(>3m)要選用復合型橋架(FB)。
4, in the public channel or outdoor crossing the road section, the bottom of the bottom of the ladder should be added to the plate or in the use of pallets. When the large span spans the public channel, the load capacity of the bridge or the frame can be improved according to the requirements of the users. 5, large span (>3m) to choose composite bridge (FB).
電纜橋架作為承載各種電纜敷設的載體，在從屬于布線的需要，同樣也要遵循上述原則并且加以實施，由于在一些大型的建筑物內，比如說大型的寫字樓和金融辦公樓等等.
As the carrier of all kinds of cable bridge cable laying, from which belongs to the wiring, also follow the above principles and to be implemented, because in some large buildings, such as a large office building and financial office buildings and so on.
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