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Microsoft Photography Competition at the Department of Engineering 2008 entries

Claire Barlow: 'Vibration measurements on the roof of the chapel tower of St John's College'
Claire Barlow: 'Vibration measurements on the roof of the chapel tower of St John's College'

Claire Barlow
'Vibration measurements on the roof of the chapel tower of St John's College'

The aim of the measurements was to establish the stiffness of the tower, using accelerometers positioned at different orientations on the tower roof. Excitation was provided by half a dozen people thumping the tower parapet together.
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