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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Dynamic response of upright breakwaters to impulsive breaking wave forces
AbstractA formulation is made for the motion of an upright section of a composite breakwater activated by an impulsive force due to breaking waves. The foundation, including a rubble mound, is represented by a system of mass and dual springs for rotational and horizontal motions. The validity of the model was confirmed by a small scale model test in which a concrete block rested upon a crushed stone mound was hit by a pendulum of known momentum. The model is then combined with the momentum theory of impulsive breaking wave force to yield an estimate of the sliding distance of an upright breakwater. The coefficients of elastic uniform shear and nonuniform compression of the foundation are estimated to be a few hundred tons per cubic meters on the basis of the vibration data of the Alger and Haboro breakwaters. The equivalent pressure of breaking waves effective for breakwater sliding is then estimated to be 3 times or less the hydrostatic head of the wave height.
Dynamic response of upright breakwaters to impulsive breaking wave forces
AbstractA formulation is made for the motion of an upright section of a composite breakwater activated by an impulsive force due to breaking waves. The foundation, including a rubble mound, is represented by a system of mass and dual springs for rotational and horizontal motions. The validity of the model was confirmed by a small scale model test in which a concrete block rested upon a crushed stone mound was hit by a pendulum of known momentum. The model is then combined with the momentum theory of impulsive breaking wave force to yield an estimate of the sliding distance of an upright breakwater. The coefficients of elastic uniform shear and nonuniform compression of the foundation are estimated to be a few hundred tons per cubic meters on the basis of the vibration data of the Alger and Haboro breakwaters. The equivalent pressure of breaking waves effective for breakwater sliding is then estimated to be 3 times or less the hydrostatic head of the wave height.
Dynamic response of upright breakwaters to impulsive breaking wave forces
Goda, Yoshimi (Autor:in)
Coastal Engineering ; 22 ; 135-158
01.01.1994
24 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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