Q5. A simply supported girder of span 3.5 m and mass 87.5 kg was subjected to a concentrated impulsive force at mid span. In the free damped oscillation which followed, the ratio of two successive amplitudes of the girder at centre was 1.3. Calculate the time taken for the amplitude of vibration to decay to (1/50)th of initial displacemen Given, l= 2290cm4; E= 200kN/mm². Also compute the coefficient of damping.

Q5. A simply supported girder of span 3.5 m and mass 87.5 kg was subjected to a concentrated impulsive force at mid span. In the free damped oscillation which followed, the ratio of two successive amplitudes of the girder at centre was 1.3. Calculate the time taken for the amplitude of vibration to decay to (1/50)th of initial displacemen Given, l= 2290cm4; E= 200kN/mm². Also compute the coefficient of damping.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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