托盤式電纜橋架、線槽及其支吊架運(yùn)用在有腐蝕性環(huán)境中，應(yīng)選用耐腐蝕的剛性資料制作，或采納防腐蝕處理，防腐蝕處理方式應(yīng)滿意工程環(huán)境和耐久性的要求。

Tray type cable trays, cable trays, and their supports and hangers should be made of corrosion-resistant rigid materials or treated with anti-corrosion measures when used in corrosive environments. The anti-corrosion treatment method should meet the requirements of the engineering environment and durability.

電纜橋架在有防火要求的區(qū)段內(nèi)，可在電纜梯架、托盤內(nèi)增加具有耐火或難燃功能的板、網(wǎng)等資料構(gòu)成關(guān)閉或半關(guān)閉式結(jié)構(gòu)，并采納在橋架及其支吊架外表涂刷防火涂層等辦法，其全體耐火功能應(yīng)滿意國家有關(guān)規(guī)范或規(guī)范的要求。

In sections with fire protection requirements, cable trays can be equipped with fire-resistant or flame-retardant plates, nets, and other materials in cable ladders and trays to form closed or semi closed structures. Methods such as applying fire-resistant coatings on the surface of cable trays and their supports and hangers should be adopted, and their overall fire resistance function should meet the requirements of relevant national regulations or norms.

在工程防火要求較高的場所，不宜選用鋁合金電纜橋架。

Aluminum alloy cable trays should not be used in places with high fire prevention requirements.

電纜梯架、托盤寬度和高度的挑選應(yīng)契合填充率的要求，電纜的梯架和托盤內(nèi)的填充率在一般情況下，電力電纜可取40%～50%，操控電纜可取50%～70%，且宜預(yù)留10%～25%工程開展裕量。

The selection of cable ladder and tray width and height should meet the requirements of filling rate. In general, the filling rate inside the cable ladder and tray can be 40% to 50% for power cables and 50% to 70% for control cables, and a 10% to 25% engineering allowance should be reserved.

在挑選電纜橋架的荷載等級時(shí)，電纜橋架的作業(yè)均布荷載不該大于所選電纜橋架荷載等級的額外均布荷載，假如電纜橋架的支吊架的實(shí)踐跨距不等于2m時(shí)，則作業(yè)均布荷載應(yīng)滿意要求。

When selecting the load level of cable tray, the uniformly distributed load of the cable tray should not exceed the additional uniformly distributed load of the selected cable tray load level. If the practical span of the support and hanger of the cable tray is not equal to 2m, the uniformly distributed load of the operation should meet the requirements.

各種組件及支吊架在滿意相應(yīng)荷載的條件下，其規(guī)范尺度應(yīng)與托盤、梯架的直線段、彎通系列相匹配。

Under satisfactory load conditions, the standard dimensions of various components and support hangers should match the straight sections and bending series of pallets and ladders.

在挑選電纜橋架的彎通或引上、引下設(shè)備時(shí)，不該小于電纜橋架內(nèi)電纜非常小答應(yīng)曲折半徑。

When selecting cable tray bends or equipment for leading up and down, the minimum allowable bending radius of the cables inside the cable tray should not be less than.

關(guān)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(yīng)按工程條件進(jìn)行強(qiáng)度、剛度及穩(wěn)定性的核算或?qū)嶒?yàn)驗(yàn)證。

For steel cable trays with a span greater than 6m and aluminum alloy cable trays with a span greater than 2m or load-bearing requirements greater than load level D, the strength, stiffness, and stability should be calculated or experimentally verified according to the engineering conditions.

幾組電纜橋架在同一高度平行敷設(shè)時(shí)，各相鄰電纜橋架之間應(yīng)考慮保護(hù)、檢修間隔。

When several sets of cable trays are laid in parallel at the same height, protection and maintenance intervals should be considered between adjacent cable trays.

鋼制托盤、梯架的寬度與高度常用規(guī)范尺度拜見CESC31∶91《鋼制電纜橋架工程設(shè)計(jì)規(guī)范》第2.2.2條。

The commonly used standard dimensions for the width and height of steel trays and ladders can be found in Article 2.2.2 of CESC31:91 "Design Specification for Steel Cable Tray Engineering".

鋁合金托盤、梯架的寬度與高度常用規(guī)范尺度拜見CECS106∶2000《鋁合金電纜橋架技術(shù)規(guī)程》第3.1.2條。

The commonly used standard dimensions for the width and height of aluminum alloy trays and ladders can be found in Article 3.1.2 of CECS106:2000 "Technical Specification for Aluminum Alloy Cable Trays".

鋼制托盤、梯架及鋁合金托盤、梯架的直通單件規(guī)范長度可為2、3、4、6m。

The standard length for straight through single pieces of steel pallets, ladders, and aluminum alloy pallets and ladders can be 2, 3, 4, or 6 meters.

鋼制電纜橋架外表防腐處理方式拜見CECS31∶91《鋼制電纜橋架工程設(shè)計(jì)規(guī)范》第3.4.2條。

The anti-corrosion treatment method for the exterior of steel cable trays can be found in Article 3.4.2 of CECS31:91 "Design Specification for Steel Cable Tray Engineering".

鋁合金電纜橋架外表防腐處理方式見表CECS106∶2000《鋁合金電纜橋架技術(shù)規(guī)程》第4.4.1條。

The anti-corrosion treatment method for the surface of aluminum alloy cable trays is shown in Article 4.4.1 of the Technical Specification for Aluminum Alloy Cable trays (CECS106:2000).

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