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Dynamic response of footings to vertical loading
Method is developed for analysis of vertical mode of vibration of rigid circular footing resting on surface of elastic half-space; solution includes all ranges of frequencies for steady-state vibration and it is shown how transient response caused by pulse-type loading can be calculated from steady-state solution by simple Fourier technique; it is shown that elastic half-space model behaves similarly to simply damped oscillator and simplified analog of mass-spring-dashpot type is proposed for practical calculations.
Dynamic response of footings to vertical loading
Method is developed for analysis of vertical mode of vibration of rigid circular footing resting on surface of elastic half-space; solution includes all ranges of frequencies for steady-state vibration and it is shown how transient response caused by pulse-type loading can be calculated from steady-state solution by simple Fourier technique; it is shown that elastic half-space model behaves similarly to simply damped oscillator and simplified analog of mass-spring-dashpot type is proposed for practical calculations.
Dynamic response of footings to vertical loading
ASCE -- Proc (J Soil Mechanics Foundations Div)
Lysmer, J. (author) / Richart, Jr., F.E. (author)
1966
27 pages
Article (Journal)
English
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