RESEARCH ON BEARING CAPACITY PERFORMANCE OF THE TRUSS GIRDER IN THE MODULAR PREFABRICATED STEEL STRUCTURE

Ni Zhen; Zhao Yue; Liu Xuechun; Zhang Ailin

Volume 44 Issue 08

Jul. 2015

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Ni Zhen, Zhao Yue, Liu Xuechun, Zhang Ailin. RESEARCH ON BEARING CAPACITY PERFORMANCE OF THE TRUSS GIRDER IN THE MODULAR PREFABRICATED STEEL STRUCTURE[J]. INDUSTRIAL CONSTRUCTION, 2014, 44(08): 14-18.

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Ni Zhen, Zhao Yue, Liu Xuechun, Zhang Ailin. RESEARCH ON BEARING CAPACITY PERFORMANCE OF THE TRUSS GIRDER IN THE MODULAR PREFABRICATED STEEL STRUCTURE[J]. INDUSTRIAL CONSTRUCTION, 2014, 44(08): 14-18.

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RESEARCH ON BEARING CAPACITY PERFORMANCE OF THE TRUSS GIRDER IN THE MODULAR PREFABRICATED STEEL STRUCTURE

Publish Date: 2014-08-20

Abstract

Abstract

Nonlinear finite element analysis of the steel truss girder in the fabricated steel structure of housing system was studied in this paper． Finite element models of steel truss girders were established with five different spans and different chord sizes． It was compared the load -displacement curves of the analysis results from different girders，the ultimate bearing capacity and deformation characteristic of the steel truss girder in the fabricated steel structure were studied． The plastic zone mainly occurs at midspan chord when the girder damaged，and webs at a relatively small force damaged after the chord，which could meet the design requirements ofstrong shear and weak bending． The big difference between yield load and ultimate load makes the member have certain safety margin space．
- fabricated steel structure,
- steel truss girder,
- nonlinear finite element

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