The material of cable bridge is another common problem in the design of cable bridge. According to the material, the cable bridge is mainly made of steel, glass steel and aluminum alloy. Glass fiber reinforced plastic cable bridge is characterized by light weight and only 1/4 of carbon steel. It is well resistant to water and corrosion resistance and is suitable for chemical plants.
Not easy to burn, flame retardant oxygen index = type glass steel cable tray 32. The service life is long and the general design life is 20 years, but the price is 3 times that of the steel cable bridge. The superiority of the construction is convenient cutting and flexible assembly, installation without fire, the chemical explosion hazardous environment and engineering significance of plant engineering construction period is especially important, because in the explosion hazardous environment, fire engineering installation of chemical plant must be discontinued, the economic benefit will be affected.
The size and load characteristics of the aluminum alloy cable bridge are almost similar to that of the steel bridge. As far as the cost is concerned, the cost of the aluminum alloy bridge is 20% higher than that of the galvanized steel cable bridge, and the service life is more than 5 times that of the steel cable bridge.
In the engineering design documents in general will usually cable bridge called "bridge", did not indicate the specific structural features, different types and different materials of the cable tray price difference is large, and the structure type of chaos will bring the work site heat, mechanical protection problems.
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