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Structural Performance of Modern Timber Bridges in Japan

 Structural Performance of Modern Timber Bridges in Japan
Auteur(s):
Présenté pendant IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017, publié dans , pp. 366-373
DOI: 10.2749/vancouver.2017.0366
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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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Détails bibliographiques

Auteur(s): (Kanazawa Institute of Technology, Kanazawa, Ishikawa, Japan)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017
Publié dans:
Page(s): 366-373 Nombre total de pages (du PDF): 8
Page(s): 366-373
Nombre total de pages (du PDF): 8
Année: 2017
DOI: 10.2749/vancouver.2017.0366
Abstrait:

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.