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2010•Technology of Highway and TransportRequires access

Analysis of Shear Lag Effect of Extra-wide Single-box and Single-cell Box Girder

Huang Gan

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Abstract

In Fuling Wujiang No.2 Bridge the box girder is 25.5m wide and the girder adopts large-can-tilever single-box and single-cell cross section.This paper employs the simulation bar method and the fi-nite element method to solve the shear lag effect of girder with box section and obtains the elastic analysis result of shear lag effect line of the box girder at the root of tower and cables under constant load and live load so as to provide a reference for analysis on the shear lag effect of extra-wide single-box and sin-gle-cell box girder.

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What this paper is about

In Fuling Wujiang No.2 Bridge the box girder is 25.5m wide and the girder adopts large-can-tilever single-box and single-cell cross section.This paper employs the simulation bar method and the fi-nite element method to solve the shear lag effect of girder with box section and obtains the elastic analysis result of shear lag effect line of the box girder at the root of tower and cables under constant load and live load so as to provide a reference for analysis on the shear lag effect of extra-wide single-box and sin-gle-cell box girder.

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Available abstract

In Fuling Wujiang No.2 Bridge the box girder is 25.5m wide and the girder adopts large-can-tilever single-box and single-cell cross section.This paper employs the simulation bar method and the fi-nite element method to solve the shear lag effect of girder with box section and obtains the elastic analysis result of shear lag effect line of the box girder at the root of tower and cables under constant load and live load so as to provide a reference for analysis on the shear lag effect of extra-wide single-box and sin-gle-cell box girder.

Key concepts: Box girder, Lag, Structural engineering, Shear (geology), Tower, Finite element method, Engineering, Girder

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