《桥梁与隧道工程英文简介》由会员分享，可在线阅读，更多相关《桥梁与隧道工程英文简介（21页珍藏版）》请在金锄头文库上搜索。
1、Bridge and tunnel engineering,What is bridge?,Bridges is a kind of architectural structures for railways, roads, channels, pipeline, vehicles, pedestrians to cross rivers, valleys, lakes or other obstacles,The composition of the bridge,Bridge span structure (Superstructure) Bridge pier and abutment
2、(infrastructure) Pier foundation,The classification of the bridge,-According to the basic classification system of the bridge Beam bridge, arch bridge, steel bridge, suspension bridge, slab bridge,The other classification of the bridge, Materials used in the bridge:,masonry bridge, reinforced concre
3、te bridge, prestressed concrete bridge and steel bridge Bridge application: highway bridge, railway bridge, iron bridge, pedestrian bridge, and pipeline bridge, etc,The basic purpose of bridge construction,Generally speaking, the bridge construction is the basic goal of safe, applicable, economic, b
4、eautiful. On the basic goals, it should be reflected in the development of bridge technology: Bridges with large span capacity and carrying capacity; Vehicle safety and passenger comfort.,In 1969,China has attracted worldwide attention of Nanjing Yangtze river bridge which designed, constructed by o
5、ursleves. Railway bridge part is 6772 m and Highway bridge section is 4589 m. Nanjing Yangtze river bridge shows the Bridges in China has reached the advanced world level, also is another important symbol on our bridge history.,The trend of the development of the bridge,Bridge Span increasing More a
6、nd more kinds of Bridge Structure light-duty,What is tunnel?,A engineering structures which build in the formation of underground. It is widely used in highway, railway, mining, hydropower, municipal engineering and national defense, etc,Tunnel development technology,The fourteenth century -The inve
7、ntion of gunpowder used in tunnel excavation In 1818, Tunnel Boring Machine(TBM) was invented in Brussels In 1896, The British used compressed air and TBM for the first time to build underwater tunnel,The classification and function of the tunnel,According to the stratigraphic points: rock tunnel, s
8、oil tunnel According to the position: mountain tunnel, the urban tunnel, underwater tunnel According to the purpose: traffic tunnel, the hydraulic tunnel, municipal tunnel, the mine tunnel,The tunnel structure,The main body structure: In order to maintain the stability of rock mass and driving safet
9、y and built artificial permanent structure, usually refers to the hole body lining and tunnel portal structure Affiliated construction: Build for power generation, storage, maintenance, ventilation, lighting and other building construction,The main types of tunnel construction method,Generally,tunne
10、l construction can be divided into the open cut method and undercutting method,Open cut method,Characteristic:first,dig all soil which in above of tunnel, and then build a tunnel lining, when necessary, laying type waterproof layer is stuck outside, and backfill it. Such as open hole and the method
11、used in shallow buried tunnel or underground railway,Undercutting methods,Characteristic:Do not dig all soil which in above of tunnel, all projects are conducted in underground,Has been completed & under construction,Tunnel Boring Machine,Terraced tunnel portal figure,Pillar tunnel portal figure,Ring frame tunnel portal figure,Thank you!,
