Fire Rating Selection Of Cable Bridge

In the section with fire protection requirements, the cable bridge can be closed or semi-closed structure by adding fire-resistant or flame-resistant plates, nets and other materials in the cable ladder and tray, and measures such as fire-resistant coating can be taken on the surface of the bridge and its supports and hangers. The overall fire-resistance performance should meet the requirements of relevant national codes or standards. Aluminum alloy cable bridge is not suitable for places with high fire protection requirements.
Under the same specifications, the flame-retardant cable bridge is 2.2 times more expensive than the steel cable bridge, the service life is more than 5 times that of the steel cable bridge, and the weight is 30% heavier than the steel cable bridge. Fireproof cable bridge is slightly more expensive than steel cable bridge, its service life is more than 3 times that of steel cable bridge, and its weight is basically the same as that of steel cable bridge.