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Tension Force Measurement of Sagged Cable with an Intermediate Support

Autor(en):


Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: 35th Annual Symposium of IABSE / 52nd Annual Symposium of IASS / 6th International Conference on Space Structures: Taller, Longer, Lighter - Meeting growing demand with limited resources, London, United Kingdom, September 2011
Veröffentlicht in:
Jahr: 2011
Abstrakt:

The vibration method based on the string vibration theory is often used to estimate cable forces from measured natural frequency, and it is widely applicable to the construction control, performance evaluation and long-term health monitoring of cable-stayed bridge and tied arch bridge as well. However, the string vibration theory ignores the effects of flexural rigidity, sag of inclined cable and the intermediate support such as anchor tube or attached damper, which will cause unacceptable errors in practical applications. This paper proposed a practical explicit expression for vibration-based cable-force measurement by using energy principle. The capabilities of the method are verified by a numerical simulation on three cables with intermediate supports.

Stichwörter:
Seilkraft Zwischenauflager
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  • Reference-ID
    10065610
  • Veröffentlicht am:
    03.10.2011
  • Geändert am:
    05.07.2021
 
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