Finite element analysis on torsional behavior of PC composite box-girder with corrugated steel webs

2017 ◽  
Author(s):  
D Z Shi ◽  
Q Wang ◽  
S Wan ◽  
H C Liu
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Element Analysis ◽  
Box Girder ◽  
Torsional Behavior

Fatigue Evaluation of Flat Steel Box Girders with Closed Stiffeners of Large-Span Suspension Bridges under Different Heavy Trucks

2011 ◽  
Vol 147 ◽  
pp. 157-160 ◽  
Author(s):  
Yong Zeng ◽  
Hong Mei Tan
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Cross Section ◽  
Suspension Bridges ◽  
Box Girders ◽  
Element Analysis ◽  
Box Girder ◽  
Fatigue Assessment ◽  
Steel Box Girder ◽  
Flat Steel

Due to its outstanding aerodynamic shape and light weight, the trapezoidal cross-section flat steel box girder with orthotropic decks and thin-walled longitudinal stiffeners of trapezoidal cross section are widely used in long-span suspension bridges in the world. However, because of the geometrical characteristics and the relative flexibility of their components, these structures may be quite susceptible to traffic loadings that fatigue cracks tend to appear in these structures. In this paper, Jiangyin Bridge is used as a case study to investigate the fatigue performance of the steel girders of suspension bridge Jiangyin Bridge is the second longest bridge in China, which has the main span of 1385m. The stress analysis of steel box girders is firstly carried out based on the analysis of fatigue life. Fatigue assessment method is proposed on the basis of in-situ measurement data combined with finite element analysis. A complete fatigue assessment is made in this paper. Key words: flat steel box girder; orthotropic decks; finite element analysis; fatigue assessment

Some Benchmark Problems for FEA from Torsional Behavior of Rubber

2003 ◽  
Vol 76 (5) ◽  
pp. 1212-1227 ◽  
Author(s):  
O. H. Yeoh
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Theoretical Solution ◽  
Specimen Geometry ◽  
Benchmark Problems ◽  
Element Analysis ◽  
Material Models ◽  
Torsional Behavior

Abstract Two commercial finite element analysis (FEA) programs, ANSYS and FLEXPAC, were compared in benchmark problems involving torsion of cylindrical rubber specimens. The effects of using different element types, material models, bulk moduli and specimen geometry were studied and compared with Rivlin's theoretical solution. This was done as an exercise to help build confidence in the analyst's ability to use these codes properly and in the reliability of the results. Some problems with certain element types were identified. With suitable choices, FEA results consistent with the theoretical solution were obtained.

Verification calculation of the Cortenoeverse bridge using finite element analysis

2021 ◽  
Author(s):  
Y. Dai ◽  
K.W. Riemens
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Structural Safety ◽  
Residual Service Life ◽  
Structural Behaviour ◽  
Element Analysis ◽  
Box Girder ◽  
Fem Model ◽  
Shell Elements ◽  
Girder Bridge

<p>The Cortenoeverse bridge is a multi-span pre-stressed concrete box girder bridge near Zutphen, the Netherlands. Following the discovery of certain damages at the sides of the bridge where post- tensioned tendons are stressed, several repairs have already taken place. The Dutch agency Rijkswaterstaat (RWS) still deemed it desirable to further investigate the structural safety and usability of the whole bridge during the residual service life. Subsequently. ABT was commissioned to perform a verification calculation. Finite element analysis (FEA) was applied to analyse the structural behaviour of the bridge. Compared to analytical methods, FEA can simulate the occurring forces more accurately and give more insights into the structural behaviour of the bridge. The bridge was modelled using 2.5D curved shell elements with embedded reinforcements subjected to post- tensioning loads. An overview is given for the FEM model, the calculation procedure and the results.</p>

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