Length classification
1, according to the total length of perforated span: extra large bridge (L>1000 m); Bridges (100m ≤ l ≤1000m); Medium bridge (30m
2. According to single span: extra large bridge (LK>150m); Bridge (40m
Extended data:
Structural classification of bridges
1. Bridges are divided into five basic types according to their mechanical characteristics: beam bridge, arch bridge, rigid frame bridge, suspension bridge and composite system bridge (cable-stayed bridge).
2. Beam bridges are generally built in places with large spans and shallow waters, and are composed of bridge columns and bridge slabs, and the weight of objects is transferred from the bridge slabs to the bridge columns.
3. Arch bridges are generally built on the water with small span, and the bridge body is arched. There are usually several bridge holes, which have the function of flood discharge. The weight in the middle of the bridge is transferred to both ends of the bridge, and both ends are transferred to the middle.
Suspension bridge is the most practical bridge today. Bridges can be built in places with large span and deep water. It consists of bridge columns, iron cables and bridge decks. Early suspension bridges can withstand wind and rain without breaking. When the storm comes, the suspension bridge can basically stand.
Baidu encyclopedia-bridge
Baidu Encyclopedia-Bridge Length