All Parts Of The Bridge Are To Be Galvanised

Release time:

2025-06-13

Cable tray is divided into groove type, tray type and ladder rack type, grid format and other structures, by the bracket, arm and equipment accessories and other components. Can be independently erected, can also be laid in a variety of buildings (structures) and pipe corridors on the support, reflecting the structure of simple, beautiful shape, equipped with active and easy to repair and other characteristics, all the parts need to be galvanised.

Equipment in the building outside the open air bridge if it is in the neighbourhood of the seashore or belong to the corrosion area, it is necessary to have corrosion-resistant materials, moisture resistance, good adhesion, high impact strength physical characteristics in the selection of the bridge cover should pay attention to what aspects of the horizontal laying of the cable tray from the ground is generally not less than the height of the ground in 2.5m, vertically laying from the ground 1.8m below the part of the metal should be added to the cover to maintain.

But laid in the electrical special room outside. Cable trays laid horizontally in the equipment mezzanine or on the pavement and less than 2.5m, should be used to maintain the grounding method. In the engineering design, the cable tray should be based on the economic rationality, technical feasibility, safety and other elements of the general comparison, in order to acknowledge the best programme, but also to fully meet the requirements of construction equipment, maintenance and cable laying.

Cable tray in the fire requirements of the section, in the cable ladder frame, tray with fire-resistant or flame-retardant function of adding boards, nets and other materials constitute a closed or semi-closed structure, and the use of fire-resistant coatings on the surface of the bridge and its supports and hangers and other methods. The overall fire-resistant function should meet the requirements of the relevant national standards or criteria. In the engineering fire requirements of high places. It is not suitable to choose aluminium alloy cable bridge.

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