1)槽式電纜橋架及其支吊架使用在有腐蝕性環(huán)境中，應采用耐腐蝕的剛性材料制造，或采取防腐蝕處理，防腐蝕處理方式應滿足工程環(huán)境和耐久性的要求。

　　1) trough type cable tray and its support and hangers should be made of corrosion-resistant rigid material or corrosive treatment. Corrosive treatment should meet the requirements of engineering environment and durability.

　　2)電纜橋架在有防火要求的區(qū)段內，可在電纜梯架、托盤內添加具有耐火或難燃性能的板、網等材料構成封閉或半封閉式結構，并采取在橋架及其支吊架表面涂刷防火涂層等措施，其整體耐火性能應滿足有關規(guī)范或標準的要求。

　　2) cable tray in a fire in the section, the cable tray ladder, added with fire or flame retardant properties of the plate, net material enclosed or semi enclosed structure, and take on the bridge and the support surface coated with fireproof coating and other measures, the overall performance should meet the requirements of the relevant national fire code or standard.

　　3)在工程防火要求較高的場所，不宜采用鋁合金電纜橋架。

　　3) aluminum alloy cable bridge should not be used in places with higher fire protection requirements.

　　4)槽式電纜橋架寬度和高度的選擇應符合填充率的要求，電纜的梯架和托盤內的填充率在一般情況下，電力電纜可取40%～50%，控制電纜可取50%～70%，且宜預留10%～25%工程發(fā)展裕量。

　　4) the choice of width and height of the trough cable bridge should meet the requirement of filling rate. In the general condition, the power cable should be 40% to 50%, and the control cable should be 50% to 70%, and the 10% to 25% engineering development allowance should be reserved.

　　5)在選擇電纜橋架的荷載等級時，電纜橋架的工作均布荷載不應大于所選電纜橋架荷載等級的額定均布荷載，如果電纜橋架的支吊架的實際跨距不等于2m 時，則工作均布荷載應滿足要求。

　　5) when selecting the load level of cable tray, the load distribution of the cable tray should not be greater than the rated load of the selected cable bridge load grade. If the actual span of the support and hanger of the cable bridge is not equal to 2m, the uniform load should meet the requirements.

　　6)各種組件及支吊架在滿足相應荷載的條件下，其規(guī)格尺寸應與托盤、梯架的直線段、彎通系列相匹配。

　　6) the specifications and sizes of various components and support frames should be matched with the line and bend series of the tray, the ladder frame and the staircase.

　　7)在選擇槽式電纜橋架的彎通或引上、引下裝置時，不應小于電纜橋架內電纜小允許彎曲半徑。

　　7) the minimum allowable bending radius of the cable in the cable bridge should not be less than that of the cable bridge.

　　8)對于跨距大于6m 的鋼制電纜橋架和跨距大于2m 或承載要求大于荷載等級D級的鋁合金電纜橋架，應按工程條件進行強度、剛度及穩(wěn)定性的計算或試驗驗證。

　　8) for the steel cable bridge with span greater than 6m and the span length greater than 2m or the load bearing requirement is greater than the load grade D grade aluminum alloy cable tray, the strength, stiffness and stability of the aluminum alloy cable bridge should be calculated or verified according to the engineering conditions.

　　9)幾組電纜橋架在同一高度平行敷設時，各相鄰電纜橋架之間應考慮維護、檢修距離。

　　9) the distance of maintenance and maintenance should be considered between the adjacent cable bridges when the cable bridges are laid at the same height parallel to the same height.

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