A NUMERICAL INTEGRATION METHOD FOR COMPUTING THE FLUTTER SPEEDS OF SUSPENSION BRIDGES IN ERECTION CONDITIONS

A numerical method is described for calculating the flutter speeds of suspension bridges in the erection condition without recourse to an eigenvalue solution. The method is based on numerical integration and does not require a priori determination of the structural stiffness matrices. The technique can be applied to other structures which exhibit similar aeroelastic phenomena. The method requires as initial data the equilibrium geometry of the suspension bridge. The deflexions of a suspension bridge in the erection condition from the complete bridge dead load geometry are usually in the finite deflexion range. A method of determining the equilibrium geometry of the bridge in the erection condition using dynamic relaxation is presented. /Author/TRRL/

Media Info

  • Features: Figures; References; Tables;
  • Pagination: p. 785-802
  • Serial:
    • Volume: 63

Subject/Index Terms

Filing Info

  • Accession Number: 00173333
  • Record Type: Publication
  • Source Agency: Transport and Road Research Laboratory (TRRL)
  • Report/Paper Numbers: Proceeding
  • Files: ITRD, TRIS
  • Created Date: Jun 28 1978 12:00AM