EXPERIMENTS ON WIND-RESISTIVITY OF CABLE-STAYED GIRDER BRIDGES

WHILE WIND EFFECTS AGAINST USUAL STRUCTURES HAVE BEEN, IN GENERAL, TREATED AS ONE OF THE SUBORDINATE LOADS, THE FACT IS THERE ARE LARGE EFFECTS ON CERTAIN FLEXIBLE STRUCTURES, SUCH AS SUSPENSION BRIDGES WHICH HAVE RATHER A LOW RESISTANCE TO HORIZONTAL LOADS AND TEND TO VIBRATE EASILY. THE CABLE-STAYED GIRDER BRIDGE HAS KINETIC CHARACTERS BETWEEN THOSE OF A SUSPENSION BRIDGE AND A GIRDER BRIDGE, AND IS CONSIDERABLY FLEXIBLE COMPARED WITH USUAL GIRDER BRIDGES. FROM THIS POINT OF VIEW, THE CABLE-STAYED GIRDER BRIDGE REQUIRES A DETAILED EXAMINATION ON THE WIND-RESISTIVITY OF THE STRUCTURE. STATIC AND DYNAMIC EFFECTS OF WIND ARE EXPLAINED AND VIBRATION PROPERTIES OF CABLE STAYED GIRDER BRIDGES ARE OUTLINED. THE RESULTS OF WIND TUNNEL EXPERIMENTS WHICH USED MODELS OF ONOMICHI BRIDGE AND ARAKAWA BRIDGE ARE DISCUSSED. SEVERAL CONCLUSIONS ON THE DESIGN OF CABLE-STAYED GIRDER BRIDGES ARE DESCRIBED. /JRA/

  • Authors:
    • Okubo, T
    • Enami, Y
  • Publication Date: 1970

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  • Accession Number: 00209716
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Aug 7 2000 12:00AM