Strengthening of Prestressed Concrete Continuous Curved Girder Bridge
Zhou Shi-hao
Abstract
Zhou Shi-hao
Abstract
The Ramp Bridge CD2~# of Huanghe Interchange is a prestressed concrete continuous curved girder bridge. At the early stage of operation, cracks occurred in the Bridge. The causes of the cracks are analyzed on the basis of load tests and design check, and feasible strengthening schemes are prepared. The further calculations and load tests of the Bridge after strengthening indicate that the Bridge can satisfy the requirements for operation.
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The Ramp Bridge CD2~# of Huanghe Interchange is a prestressed concrete continuous curved girder bridge. At the early stage of operation, cracks occurred in the Bridge. The causes of the cracks are analyzed on the basis of load tests and design check, and feasible strengthening schemes are prepared. The further calculations and load tests of the Bridge after strengthening indicate that the Bridge can satisfy the requirements for operation.
Key concepts: Bridge (graph theory), Structural engineering, Prestressed concrete, Girder, Engineering, Box girder, Beam bridge, Load testing