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- W2392245879 abstract "The main bridge of Zhengzhou Huanghe River Rail-cum-Road Bridge employs the spatial steel truss girder with three main trusses and inclined side trusses without vertical members and the structural formation and force conditions of the joints of the truss girder are complicated.To understand the local force conditions at the structure of the new type joint plates of the girder,the finite element software was used to analyze the local stress of the typical joint(E20) of the second unit continuous girder of the main bridge and the influences of handling ways of boundary conditions for the local model on the calculation results were discussed.The results of the calculation show that when the principal force combination is considered only in the load combination,the Von Mises stress of various members connected with the joint E20 is great,but is not greater than the yield strength of Q370qE steel and the structural strength can satisfy the safety requirement.When the local stress is analyzed by using the deformation or internal force obtained from the global analysis as the boundary conditions for the local model only,the results of the analysis have considerable difference with the calculation based on the Saint Venant′s principle.It is therefore required that the boundary conditions should be provided strictly in accordance with the Saint Venant′s principle in order to come to rational conclusions." @default.
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- W2392245879 date "2012-01-01" @default.
- W2392245879 modified "2023-09-24" @default.
- W2392245879 title "Analysis of Local Stress of Joint of a Spatial Steel Truss Girder Rail-cum-Road Bridge with Three Main Trusses and Inclined Side Trusses" @default.
- W2392245879 hasPublicationYear "2012" @default.
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