2001•Qiaoliang jiansheRequires access

Design for the Strengthening of the Main Girder with a Span Length of 49.5m of the Main Bridge of Zhaobaoshan Bridge in Ningbo

Hua Zhu

Abstract

Many regular cracks were found during the construction of 49.5 m span main girder of the main bridge of Zhaobaoshan birdge. The cause of the crack formation and the method of strengthening are introduced. The cracked girder was strengthened with longitudinal stringers and cross beams built in it and external prestressed tendons to insure its bearing capacity.

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Available abstract

Key concepts: Girder, Structural engineering, Bridge (graph theory), Span (engineering), Engineering, Beam bridge, Girder bridge, Prestressed concrete