Paper Title:
Dynamic Elasto-Plastic Analysis on the Steel Arch Truss under Earthquake Action
  Abstract

In this paper, the elasto-plastic dynamic analysis on the steel spatial arch truss with 120m span and 0.1 rise-span ratio is carried out under with SAP2000. The plasticity development level and failure mode of the structure are estimated by the method of increasing the peak acceleration gradually and the plastic hinge theory. The results show that the structure displacement response changed nonlinearly with the increased peak acceleration of the earthquake; Its critical peak acceleration of EL earthquake wave when applied in horizontal direction is 222gal, and is 274gal when applied in vertical direction; The ratio of its maximal node horizontal and its structural height is 1/783 when EL-Centro waves applied on structure in horizontal direction; The ratio of its maximal node vertical and its structural span is 1/751, when EL-Centro waves applied in vertical direction; The failure mode of the truss under the earthquake action is elasto-plastic dynamic buckling.

  Info
Periodical
Chapter
Chapter 1: Vibration Engineering
Edited by
Paul P. Lin and Chunliang Zhang
Pages
356-359
DOI
10.4028/www.scientific.net/AMM.105-107.356
Citation
H. W. Li, C. H. Guo, J. Liu, "Dynamic Elasto-Plastic Analysis on the Steel Arch Truss under Earthquake Action", Applied Mechanics and Materials, Vols. 105-107, pp. 356-359, 2012
Online since
September 2011
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Price
$32.00
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