In a vibration test on a building floor, the floor is set in motion by a blow from an impact hammer and its free vibrations are monitored with an accelerometer. It is found to have a natural frequency of 6.0 Hz, and its vibration amplitude reduces to 10% of its initial value in 1.0 sec. Calculate the damping ratio.
In a vibration test on a building floor, the floor is set in motion by a blow from an impact hammer and its free vibrations are monitored with an accelerometer. It is found to have a natural frequency of 6.0 Hz, and its vibration amplitude reduces to 10% of its initial value in 1.0 sec. Calculate the damping ratio.
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Transcribed Image Text:In a vibration test on a building floor, the floor is set in motion by a blow from an impact hammer
and its free vibrations are monitored with an accelerometer. It is found to have a natural
frequency of 6.0 Hz, and its vibration amplitude reduces to 10% of its initial value in 1.0 sec.
Calculate the damping ratio.
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