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ANALYSIS OF THE SHEAR LAG EFFECT ON A BOX GIRDER IN A PRESTRESSED CONCRETE STAYED GIRDER BRIDGE WITH SINGLE CABLE PLANE

Qiwei Zhang, Zhang Shihuo

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Abstract

The shear lag effect on the box girder in a P.C. (Prestressed Concrete) stayed girder bridge with single cable plane is analyzed under dead load in this paper. As an example, the shear lag effect on the box girder of the third bridge on Qiantang River is calculated by using 3-bar simulation method. The method has also been applied to the prototype as well as a plexiglass model in order to calculate the shear lag coefficients, and the results accorded well with test data. It is shown that the shear lag effect on the box girder in a P.C. stayed girder bridge with single plane is acute and should be given emphasis.

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What this paper is about

The shear lag effect on the box girder in a P.C. (Prestressed Concrete) stayed girder bridge with single cable plane is analyzed under dead load in this paper. As an example, the shear lag effect on the box girder of the third bridge on Qiantang River is calculated by using 3-bar simulation method. The method has also been applied to the prototype as well as a plexiglass model in order to calculate the shear lag coefficients, and the results accorded well with test data. It is shown that the shear lag effect on the box girder in a P.C. stayed girder bridge with single plane is acute and should be given emphasis.

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Available abstract

The shear lag effect on the box girder in a P.C. (Prestressed Concrete) stayed girder bridge with single cable plane is analyzed under dead load in this paper. As an example, the shear lag effect on the box girder of the third bridge on Qiantang River is calculated by using 3-bar simulation method. The method has also been applied to the prototype as well as a plexiglass model in order to calculate the shear lag coefficients, and the results accorded well with test data. It is shown that the shear lag effect on the box girder in a P.C. stayed girder bridge with single plane is acute and should be given emphasis.

Key concepts: Box girder, Girder, Structural engineering, Prestressed concrete, Lag, Shear (geology), Engineering, Bridge (graph theory)

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ANALYSIS OF THE SHEAR LAG EFFECT ON A BOX GIRDER IN A PRESTRESSED CONCRETE STAYED GIRDER BRIDGE WITH SINGLE CABLE PLANE — Research Paper | ScholarLens