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Shandong Hongfeng Electric Group Co., Ltd.

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What is the national standard for the thickness of trough cable tray?

Release time:

2023-12-08

The main structure of the trough cable tray consists of a floor and a side. The number of the bottom plate is

The main structure of the trough cable tray consists of a floor and a side. The number of the bottom plate is 1 and the number of the side is 2. When the length of the trough cable tray is 2 meters, the bottom plate and side plate can be pressed by a bending machine, because the bottom plate and side plate are flat, and when the length of the trough cable tray is 3 meters, 4 meters and 6 meters, in order to ensure the safe load of the bridge, enhance the load-bearing capacity of the side plate.
The side plate needs to be corrugated, and the two side plates are fixed with the base plate by welding process.
The material of trough cable tray can be metal material or non-metal material.
The types of metal materials include steel, stainless steel and aluminum alloy.
Non-metallic materials include glass fiber reinforced plastic, polymer materials, composite materials and so on.
The national standards of trough cable tray are "CECS 31-2006 Steel Cable Bridge Engineering Technical Specification Standard" (referred to as 2006 Bridge Bridge National Standard) and "T/CECS 31-2017 Steel Cable Bridge Engineering Technical Specification Standard" (referred to as 2017 Bridge Bridge National Standard). The chief editor of 2006 Bridge National Standard is China Construction Engineering Standards Association and Electrical Professional Committee, and the implementation date is August 1st, 2006.
The national standard of 2017 bridge is also edited by the above units and came into effect on March 1, 2018. It is used to replace the national standard of 2016 bridge.
The thickness of the trough cable tray includes the thickness of the tray, the thickness of the cover plate and the thickness of the connecting plate. The thickness of the cover plate of the trough cable tray can be one level lower than that of the tray. For example, if the thickness of the tray tray is 1.2mm, the thickness of the tray cover plate can be 1.2mm or 1.0mm.
The thickness of the connecting piece of the trough cable tray is at least consistent with the thickness of the tray, and can be one grade thicker than the thickness of the tray. For example, if the thickness of the tray is 1.2mm, the thickness of the connecting plate of the bridge can be 1.2mm, or it can be 1.5mm.
When the cable tray manufacturers produce the trough cable tray, considering the cost factor, the thickness of the bridge cover plate is generally thinner than that of the bridge tray, and the bridge connecting plate is the same thickness as the bridge tray.

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