1、濟(jì)南電纜橋架經(jīng)過建筑物變形縫和直線段超過30m，設(shè)補(bǔ)償裝置處，橋架間斷兩端應(yīng)用軟銅導(dǎo)線跨接，并留有伸縮余量。對(duì)于振動(dòng)場所，在接地部位的連接處應(yīng)裝置彈簧圈。

　　1, the bridge through the building deformation and straight line section more than 30m, set the compensation device, the bridge gap at both ends of the soft copper conductor cross, and leave telescopic margin. For vibration sites, spring loops shall be installed at the connections to the ground.

　　2、若設(shè)計(jì)要求把橋架作為接地干線的一部分，則要求遵守電纜橋架安裝規(guī)范在接頭處的連接電阻不應(yīng)大于0.00033Ω。若利用橋架連接板達(dá)不到這個(gè)要求，即使是鍍鋅橋架，也應(yīng)用符合設(shè)計(jì)要求的軟銅導(dǎo)線跨接。

　　2, if the design requirements of the bridge as part of the ground line, then comply with the requirements of the cable bridge installation specifications, the joint resistance shall not be greater than 0.00033. If the bridge connecting plate does not meet this requirement, even the galvanized bridge, also meet the requirements of the design of soft copper wire jumper.

　　3、需屏蔽電氣干擾的電纜網(wǎng)路或有防護(hù)外部(如：有腐蝕液休，易燃粉塵等環(huán)境)影響的要求時(shí)，應(yīng)選用(FB)類槽式復(fù)合型防腐屏蔽電纜橋架(帶蓋)

　　Cable network 3, shielding electrical interference or external protection (such as: a corrosive liquid Hugh, flammable dust and other environmental effects) requirements, should choose (FB) type groove type composite type anti-corrosion shielding cable tray (with cover)

　　4、強(qiáng)腐蝕性環(huán)境應(yīng)采用(F)類復(fù)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。

　　4, 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 panels in easy ash and other environment or outdoor areas that need to be covered.

　　5、除上述情況外，可根據(jù)現(xiàn)場還環(huán)境及技術(shù)要求選用托盤式、槽式、梯級(jí)式、玻璃防腐阻燃電纜橋架或鋼質(zhì)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。

　　5, in addition to the above circumstances, according to the site environment and technical requirements, choose pallet, trough, step type, glass anti-corrosion flame retardant cable bridge or steel ordinary type bridge. Cover panels in easy ash and other environment or outdoor areas that need to be covered.

　　6、在公共通道或戶外跨越道路段，底層梯級(jí)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(shí)，可根據(jù)用戶要求提高橋架的載荷能力或選用行架。

　　6, in public 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 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.

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