Abstract
In this research the effect of different isolated materials between the machine base and its concrete footing block is examined experimentally. The machine is subjected to vertical vibration produce by vibration exitor 4808 oscillator. Experiments will be performed by inserting isolated material between the machine base and its concrete footing. It is examined that the most vibration absorber is sandwich of E P E foam with rubber pad in between the oscillator and block. even on the ground the resonance is reduced so in this research it is investigated that for any kind of machine, combination of E P E foam and rubber pad can be used to reduce the vibration for the foundation and even to reduce damage to the nearby structures and this study will be beneficial for assessing the performance of the machine foundations.
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