Description
Generally speaking, the bridge consists of five parts and five small parts. The five part refers to the bridge under vehicle loads of upper and lower bridge span structure, including: the upper structure, support system, pier, abutment, pier foundation, is the bridge structure safety guarantee. The five part refers to the bridge service directly related to the function of components, including: bridge deck pavement, drainage system, railings, expansion joints, lighting. These are the key nodes of the bridge for continuous innovation. From simple single plank bridge to today's steel bridge; bridge, bridge, arch bridge, the garden bridge, bridge, the path along the cliff from the towpath bridge girder bridge single; from the bridge, Ishihashi, and then to the bridge of steel and reinforced concrete, historical mean giving each time representative techniques and works represent the best, steel structure the bridge is the mainstream of the bridge construction. It longer to load, larger span, superior stability, function combination, superior and creative shape, and has a compact structure, short construction period, recycled, wind, fire, corrosion, shock and many other outstanding features.