Paper Title:
Creep Stress Analysis of PC Composed Box Girder Bridge with Corrugated Steel Webs
  Abstract

According to the forced load-bearing characteristics of the prestressed concrete girder bridge with corrugated steel webs, the cross-section internal forces and stress redistribution of box-girder were studied under the influence of concrete creep. And the internal force redistribution formula on concrete creep was derived through the establishment of the compatibility equation of bending deformation; the stress redistribution formulas of the top slab and the bottom slab of box-girder at any time were also derived, through the establishment of the compatibility equation of the axial displacement and angular deformation of the top slab and the bottom slab of box-girder under the influence of concrete creep at any time. These show that the creep stress is only related to the box height and it’s the geometric properties of top slab and bottom slab concrete section, but not to the steel web’s size.

  Info
Periodical
Advanced Materials Research (Volumes 163-167)
Edited by
Lijuan Li
Pages
1987-1990
DOI
10.4028/www.scientific.net/AMR.163-167.1987
Citation
C. L. Shan, L. Yan, "Creep Stress Analysis of PC Composed Box Girder Bridge with Corrugated Steel Webs", Advanced Materials Research, Vols. 163-167, pp. 1987-1990, 2011
Online since
December 2010
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Price
$32.00
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