Method and apparatus for absorbing dynamic forces on structures

Details Method and apparatus for absorbing dynamic forces on structures Method and apparatus for absorbing dynamic forces on structures

1978-05-23

1980-10-07

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

52168, 405210, E02B 100

Patent

active

042265541

ABSTRACT:
An apparatus and method is provided for suppressing the dynamic response of structures such as offshore structures to forces, such as that of wind, wave or seismic excitation. A storage tank for liquid with a free surface is positioned on the structure and is designed to have a natural frequency equal to or nearly equal to the natural frequency of the structure. The storage tank containing the liquid reduces the dynamic response of the structure thereby reducing structural degradation such as metal fatique in the structure and increasing the useful life of the structure. The effect of the tank on the motion of the structure is that of a common dynamic absorber.

REFERENCES:
patent: 3665721 (1972-05-01), Wyllie
patent: 3695047 (1972-10-01), Pogonowski et al.
patent: 3779024 (1973-12-01), Greve
patent: 3898846 (1975-08-01), McCabe
patent: 3943724 (1976-03-01), Banzoli et al.

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