The load of the cable tray is divided into static load, dynamic load and additional load.
The static load refers to the type, number, and outer diameter weight/unit length of the cables laid in the cable tray.
The dynamic load refers to the weight of the construction and maintenance personnel during the installation and maintenance of the cable tray. For light-duty cable trays, the dynamic load is generally not considered, that is, people are not allowed to stand (walk) on the bridge. If people need to be considered, the span should be appropriately reduced.
The additional load only refers to the load formed by ice, snow, wind and electromagnetic force outdoors. It is related to the natural meteorological conditions of the installation site and the nature of the charged body. It should be calculated according to various conditions in the design.
