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What is the national standard thickness of 50: 50 cable tray, refer to different bridge standards

Release time:

2023-12-07

50: 50 cable tray refers to different national standards of cable tray, the thickness of cable tray is

50: 50 cable tray refers to different national standards of cable tray, the thickness of cable tray is different, the following Beijing Beijing Weiye cable tray editor will introduce the relevant knowledge of the thickness of 50: 50 cable bridge under different standards.
The yellow-green wire or copper braided wire should be used to connect the two ends of the connection of the two sections of cable tray or movable connecting plate, and the cross-sectional area of the connecting line should not be less than 16 square millimeters.
When entering and leaving the building, the cable tray shall be connected with the nearest total equipotential grounding device.
The cable tray has a good protective effect on the communication cable and can effectively shield the external signal interference.
The cover plate of the cable tray is generally supplied with the trough body, and other accessories are commonly used with pallet and ladder tray.
The 2000 national standard includes the calculation method of strength and stability of bridge structure, uniformly distributed load and conductivity experiment.
The 2013 national standard includes the number of ex-factory inspection samples and the determination array and the classification of unqualified type inspection.
The 2013 national standard refers to the standards of energy saving and environmental protection, adds the relevant national standards of mesh / composite cable tray, adds VCR bimetallic coating to the surface treatment method, and increases the standard requirements for the manufacturing accuracy of the tray.
The bridge thickness standard includes the bridge plate thickness standard and the bridge protection layer thickness standard, the bridge plate thickness standard includes the thickness of tray, cover plate and connecting plate, and the bridge protection layer thickness includes zinc layer thickness and coating thickness and so on.
According to the 2013 bridge standard, the thickness of the connecting plate should be consistent with that of the pallet and ladder frame, or one grade of thickness can be selected, and the thickness of the cover plate can be one level lower than that of the bridge plate.
According to the 2013 tray thickness standard, the plate thickness of 50: 50 cable tray is 1.0mm.
According to the 2000 tray thickness standard, the plate thickness of 50: 50 cable tray is also 1.0mm.

Keywords：

Steel cable bridge engineering design code standard, bridge thickness standard definition

Does the steel cable tray have a cover by default?

Steel cable bridge engineering design code standard, bridge thickness standard definition

Does the steel cable tray have a cover by default?