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Corrugated Steel Web Prestressed Composite Box Girder

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Corrugated Steel Web Prestressed Composite Box Girder
Corrugated Steel Web Prestressed Composite Box Girder

Prestressed concrete box girder bridge with corrugated steel web, also known as corrugated steel web PC bridge, refers to box girder with corrugated steel plate instead of concrete web of prestressed concrete box girder as web. Its remarkable feature is 10~ A 20 mm thick steel plate replaces a concrete web having a thickness of 30 to 80 cm.

 

Origin
In the 1980s, France first designed and built a new composite bridge-cognac bridge with corrugated steel webs instead of ordinary concrete box girder webs. Later, several Maupre viaducts, Asterix bridges and Dole corrugated steel were built. Web bridge.

 

Development
Since the 1990s, Japan has also studied this type of bridge. Based on the similar bridges in France, it has built a series of bridges such as the New Bridge, the Bengu Bridge [1], and the Pine No. 7 Bridge. There are continuous beam bridges and continuous rigid frame bridges, which widen the scope of use of such bridges and develop design and construction techniques.

 

Domestic
There are no real bridges for corrugated steel web prestressed concrete composite box girder. At the same time, several bridges of this type have been built in France/Germany, especially in Japan. Design and construction techniques are increasingly mature. Prestressed concrete composite box girder with corrugated steel web is especially suitable for continuous box girder with medium and large span. With the development and deepening of the analysis and research of this structure in China, as well as the reference to foreign engineering practice experience, the prestressed concrete composite box girder with corrugated steel web will be applied in the construction of bridges in China.

Pub Time : 2019-04-26 14:07:57 >> News list
Contact Details
Jiangsu Jiuzhou Bridge Engineering Co., Ltd.

Contact Person: Mr. Tomy.Gao

Tel: 86-571-87688170

Fax: 86-571-56389287

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