VIBRATION TESTS ON THE BIRCHERWEID FOOT-BRIDGE

A NEW METHOD OF BUILDING BRIDGES - WITH STRESS RIBBON AS THE BEARING STRUCTURE - WAS APPLIED FOR THE FIRST TIME TO THE CONSTRUCTION OF THE BIRCHERWEID FOOT-BRIDGE. TESTS WERE MADE TO ASCERTAIN THE PERFORMANCE OF THE BRIDGE UNDER A LIVE LOAD AND TO DETERMINE THE CORRESPONDING DATA OF NATURAL FREQUENCY, AMPLITUDE OF THE VIBRATION, AND DAMPING EFFECT. THE FUNDAMENTAL VIBRATION OF THE BRIDGE OF 1.59 HZ IS WITHIN THE RANGE OF THE FREQUENCY OF PACES OF A PEDESTRIAN MARCHING NORMALLY. THE AMPLITUDES MEASURED IN CASE OF RESONANCE WERE PLUS OR MINUS 5 MM (0.2 IN.) FOR A SINGLE PEDESTRIAN AND PLUS OR MINUS 17.5 MM (0.69 IN.) FOR A GROUP OF 5 PEDESTRIANS. THESE VALUES ARE PLOTTED TOGETHER WITH THE VARIOUS CURVES WHICH CAN BE CONSIDERED AS DECISIVE FOR THE EVALUATION OF THE EFFECT OF MECHANICAL VIBRATION ON HUMAN BEINGS. /AUTHOR/

  • Supplemental Notes:
    • Vol 87, No 8, PP 137-138
  • Corporate Authors:

    Schweizerische Bauzeitung /Switz

    ,    
  • Authors:
    • Scatazzini, P
  • Publication Date: 1969-2

Subject/Index Terms

Filing Info

  • Accession Number: 00209618
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Apr 10 1972 12:00AM