Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Tsunami-Induced Local Scour around a Square Structure
Tsunami-induced local scour around a land-based structure with a square cross-section on a sand foundation was investigated with both laboratory experiments and numerical simulations. An isolated long wave was adopted as an incident tsunami wave. In the hydraulic model experiments, it was found that the maximum scour depth at the seaward corner of the structure was sensitive to the relative overtopping height of the tsunami wave. In the numerical simulations, it was revealed that the local scour around the seaward corner of the structure could be evaluated with not only flow velocities on the foundation but also effective stresses near the surface of the foundation because restricting force between sand particles declined due to a decrease in the effective stresses.
Tsunami-Induced Local Scour around a Square Structure
Tsunami-induced local scour around a land-based structure with a square cross-section on a sand foundation was investigated with both laboratory experiments and numerical simulations. An isolated long wave was adopted as an incident tsunami wave. In the hydraulic model experiments, it was found that the maximum scour depth at the seaward corner of the structure was sensitive to the relative overtopping height of the tsunami wave. In the numerical simulations, it was revealed that the local scour around the seaward corner of the structure could be evaluated with not only flow velocities on the foundation but also effective stresses near the surface of the foundation because restricting force between sand particles declined due to a decrease in the effective stresses.
Tsunami-Induced Local Scour around a Square Structure
Nakamura, Tomoaki (Autor:in) / Kuramitsu, Yasuki (Autor:in) / Mizutani, Norimi (Autor:in)
Solutions to Coastal Disasters Congress 2008 ; 2008 ; Turtle Bay, Oahu, Hawaii, United States
Solutions to Coastal Disasters 2008 ; 106-117
28.03.2008
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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