Experimental study on the natural vibration characteristics of a steel composite girder bridge before and after reconstruction of the RC slab
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Bibliografische Angaben
| Autor(en): |
Masato Komuro
Norimitsu Kishi Ryoji Kawase |
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| Medium: | Tagungsbeitrag | ||||
| Sprache(n): | Englisch | ||||
| Tagung: | IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014 | ||||
| Veröffentlicht in: | IABSE Symposium Madrid 2014 | ||||
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| Seite(n): | 2705-2712 | ||||
| Anzahl der Seiten (im PDF): | 8 | ||||
| Jahr: | 2014 | ||||
| DOI: | 10.2749/222137814814070145 | ||||
| Abstrakt: |
In order to investigate the natural vibration characteristics of a steel composite girder bridge before and after replacement of the RC slab, micro-tremor measurement tests after traffic passing were conducted. Here, 51 high-sensitive servo-type vibration meters and a wireless LAN system were used to measure the vibration acceleration of the bridge. The results obtained from this study were as follows: 1) natural vibration frequencies and modes can be appropriately evaluated by conducting the proposed micro-tremor measuring test; and 2) since natural vibration frequencies were increased and all vibration modes were improved to be more symmetrical and/or anti-symmetrical, it is seen that the bridge stiffness is upgraded by replacing the RC slab. |
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