Memorias de investigación
Communications at congresses:
Buckling instability of Web Plastifying Dampers: analytical and numerical approach
Year:2012
Research Areas
  • Engineering,
  • Civil engineering and architecture
Information
Abstract
This paper describes a numerical study on the instability of a brace-type seismic damper based on the out-ofplane yielding of the web of wide-flange steel sections (Web Plastifying Damper, WPD). The damper is intended to be installed in a framed structure as a standard diagonal brace. Under lateral forces, the damper is subjected to high axial forces, therefore its buckling instability is a matter of concern. Several finite element models representing WPDs with different axial stiffness and various geometries of their components were developed and analyzed taking into account both material and geometrical nonlinearities. The influence of several parameters defining the WPD in the load-displacement curve was examined. Furthermore, a simplified model to predict the buckling load is proposed.
International
Si
Congress
15 World Conference on Earthquake Engineering
960
Place
Lisboa
Reviewers
Si
ISBN/ISSN
0000000000
0000000000
Start Date
24/09/2012
End Date
28/09/2012
From page
1
To page
10
Proceedings of the 15 World Conference on Earthquake Engineering
Participants
Research Group, Departaments and Institutes related
  • Creador: Grupo de Investigación: Ingeniería Sísmica: Dinámica de Suelos y Estructuras
  • Departamento: Mecánica Estructural y Construcciones Industriales