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Steel truss bridge is an important form of bridge structure, which is mainly composed of the upper beam structure under bending and the lower column under pressure. This structural system combines beams and columns by rigid connection, so that the beam can be unloaded because of the flexural stiffness of the column, and the whole system becomes a flexural structure, but also has thrust.
The structural characteristics of steel truss bridge are obvious, and its structure is simple, easy to manufacture, install and maintain. In addition, steel truss Bridges can achieve the span of large spans, which is particularly important in the construction of large roads and railways. At the same time, because its design and manufacture meet the requirements of strong bearing capacity and light weight, it can withstand high strength loads.
Steel truss bridge is widely used in bridge engineering. Its excellent span and bearing capacity make it an important bearing structure for large Bridges, such as arched Bridges and cable-stayed Bridges. In addition, in the fields of construction, industrial construction and landscape engineering, steel trusses have also been widely used, such as large stadiums, exhibition centers, stations, large factories, warehouses and landscape Bridges.
Project Name: Jishang-shang High-speed Caihe Steel Truss Bridge
Project Location: Jining City
Project Content: K12+200 Caihe Bridge is designed for crossing the Caihe River. The central mileage pile number of the bridge is K12+200.0. The total length of the bridge is 295.0m, the width of the bridge is 2×16.5m, and the span layout is 2x30+108+4x30m. The first and third joints of the upper structure adopt prestressed concrete (post-tensioned) simple supported small box girder, and the bridge floor is continuous; The second link adopts simply supported steel truss, the substructure abutment adopts rib-plate abutment, the pier adopts column pier and rectangular solid pier, and the pier adopts pile foundation. The bridge plane is located on the straight line, the transverse slope of the bridge floor is 2% bidirectional, and the longitudinal section is located on the vertical curve of R=17000m. Pier and platform are arranged at equal angles. The steel truss bridge is composed of upper chord, lower chord, belly bar, crossbar, upper flat link and bridge portal frame, with a total steel volume of 4100 tons.
Project Name: Jizou Jiubiao Sihe Extra-large Truss Bridge
Project Location: Jining City
Project Content: The 35th link of Sihe River Bridge crosses the west embankment of Sihe River. The superstructure adopts 105m simply supported steel girder, the whole design, and the two main girder of the cross bridge, the distance between the girder is 28.5m. The transition of the substructure adopts three-column rectangular solid pier with equal section. Under each pier, four 1.6m pile foundations are connected, and the pile foundations are all bored piles. The total amount of steel used is 3500 tons.
Project Name: Dongying City Dongjin Yellow River Bridge project
Project Location: Lijin County, Dongying City
Project Content: The main bridge of Dongjin Yellow River Bridge is a cable-stayed bridge with twin towers and composite beams, with span arrangement (50+180+420+180+50)m, and the total length of the bridge is 880m.
Semi-floating system. The bridge tower adopts A-type bridge tower without lower beam, separate type cap, and the ground tie beam and tower column are arranged between the cap to form A closed frame. Auxiliary pier,
All the transition piers are rectangular solid piers, and the foundation is bored pile foundation. The total amount of steel used is more than 12,000 tons.
The company has domestic advanced heavy steel, steel bridge, pipe truss, grid, curtain wall, prefabricated building, aluminum magnesium and manganese plate and intelligent garage production line, the use of advanced numerical control technology, high degree of automation, It has CNC multi-head straight strip gas cutting machine, CNC drilling machine, H-type steel automatic welding production line, color tile press plate production line, C-type steel production line, Z-type steel production line, automatic assembly production line, door automatic welding production line, shot blasting and rust removal production line and other production equipment, and has advanced ultrasonic flaw detector, magnetic flaw detector, paint film thickness tester and other quality testing equipment. It can produce more than 300,000 tons of various steel structural parts annually, which can meet the needs of various prefabricated buildings and large-span, multi-storey, high-rise steel structures, tube trusses, grids, steel Bridges, including all kinds of standard workshops, airports, stations, sports venues, exhibition centers, comprehensive buildings, various steel Bridges and other construction projects. The company has strong scientific research strength, has market research, product planning, modeling design, structural design and other R & D capabilities, can provide from the design, processing and manufacturing, construction and installation, engineering consulting management one-stop service, over the years, the company with high-quality products, good reputation and patient and meticulous service, won the majority of users praise and love. Products and projects throughout the motherland, the great river north and south.
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