• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 25 Issue 1
Mar.  2012
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Article Contents
WEI Xing, QIANG Shizhong. Limit Bearing Capacity of Longitudinal Clapboard of Long-Span Single Pylon Cable-Stayed Bridge[J]. Journal of Southwest Jiaotong University, 2012, 25(1): 57-62. doi: 10.3969/j.issn.0258-2724.2012.021.01.010
Citation: WEI Xing, QIANG Shizhong. Limit Bearing Capacity of Longitudinal Clapboard of Long-Span Single Pylon Cable-Stayed Bridge[J]. Journal of Southwest Jiaotong University, 2012, 25(1): 57-62. doi: 10.3969/j.issn.0258-2724.2012.021.01.010

Limit Bearing Capacity of Longitudinal Clapboard of Long-Span Single Pylon Cable-Stayed Bridge

doi: 10.3969/j.issn.0258-2724.2012.021.01.010
  • Received Date: 10 Sep 2010
  • Publish Date: 25 Feb 2012
  • In order to investigate the limit bearing capacity of longitudinal clapboard, nonlinear buckling analysis and model test on the longitudinal clapboard used in streamlined steel-box girder of Pearl River Huangpu bridge in Guangzhou were performed. Based on the ANSYS software, a refined finite element model for one section of the steel-box girder was founded. Stress distribution and elastic buckling coefficient of the longitudinal clapboard under a designed load were obtained by FEM (finite element method) analysis. By considering initial disfigurement, geometrical and material non-linearities, limit bearing capacity of the longitudinal clapboard was get. A static test on a specimen for a part of the steel-box girder with a scale of 1 to 2.5 was carried out to obtain stress and deformation of the longitudinal clapboard under the designed load. Nonlinear buckling coefficient of the longitudinal clapboard under the designed load was achieved through a test on the ultimate bearing capability of the specimen. The research results show that the stability of the longitudinal clapboard used in the Pearl River Huangpu bridge in the whole construction meets the need of design. Nonlinear FEM considering initial disfigurement can be used to investigate the local stability of the longitudinal clapboard of steel-box girder.

     

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