Paper Title:
Dynamic Elasto-Plastic Analysis on the Steel Spatial Arch Truss with 30 m Span and 0.1 Rise-Span Ratio
  Abstract

Abstract. In this paper, the elasto-plastic dynamic analysis on the steel spatial arch truss with 30 m span and 0.1 rise-span ratio is carried out under earthquake wave with SAP2000. In the analyses, the geometric and material nonlinear effects are considered at the same time based on the plastic-hinge theory. Under the action of EL wave with the peak increasing gradually, its elasto-plastic dynamic responses have been obtained. The results show that its failure mode under the earthquake action is elasto-plastic dynamic buckling; that its critical peak acceleration of EL earthquake wave when applied in horizontal direction is 517 gal, and is 387 gal when applied in vertical direction; The ratio of its maximal node horizontal displacement and its structural height is 1/96, and its displacement ductility coefficient is 2.636; The ratio of its maximal node vertical displacement and its structural span is 1/589, and its displacement ductility coefficient is 1.08.

  Info
Periodical
Chapter
Chapter 7: Building Materials
Edited by
Paul P. Lin and Chunliang Zhang
Pages
1620-1623
DOI
10.4028/www.scientific.net/AMM.105-107.1620
Citation
H. W. Li, Z. W. Wang, J. Liu, "Dynamic Elasto-Plastic Analysis on the Steel Spatial Arch Truss with 30 m Span and 0.1 Rise-Span Ratio", Applied Mechanics and Materials, Vols. 105-107, pp. 1620-1623, 2012
Online since
September 2011
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$32.00
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