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Structural Performance of Modern Timber Bridges in Japan

 Structural Performance of Modern Timber Bridges in Japan
Autor(en):
Beitrag für IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017, veröffentlicht in , S. 1926-1933
DOI: 10.2749/vancouver.2017.1926
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Author has experimented actual modern timber bridges used glulam timber to investigate structural rigidity and static and dynamic characteristic on structural performance over about 24 years, and t...
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Bibliografische Angaben

Autor(en): (Kanazawa Institute of Technology, Kanazawa, Ishikawa, Japan)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017
Veröffentlicht in:
Seite(n): 1926-1933 Anzahl der Seiten (im PDF): 8
Seite(n): 1926-1933
Anzahl der Seiten (im PDF): 8
Jahr: 2017
DOI: 10.2749/vancouver.2017.1926
Abstrakt:

Author has experimented actual modern timber bridges used glulam timber to investigate structural rigidity and static and dynamic characteristic on structural performance over about 24 years, and then has been evaluated structural performance of modern timber bridges based on field test data accumulated and three dimensional static and eigenvalue analyses. This study is investigated structural characteristics measured by field test immediately after the complation to modern 23modern timber bridges, and then evaluated actual structural performance for those bridges based on the static and dynamic characteristics such as static deflection static rigidity, natural frequency, damping coefficient, dynamic increment factor (impact factor), vibration serviceability and so on. As the results, the actual condition of modern timber bridges became clear that static flexural rigidity was bigger than the rigidity in the design, and that fundamental vertical natural frequency was almost equivalent to general highway bridges as steel and concrete bridges.

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