Measurement of Vertical Ground Vibrations

by Peter J. Moore, Univ of Melbourne, Melbourne, Aust.,

Document Type: Proceeding Paper

Part of: Use of In Situ Tests in Geotechnical Engineering


This paper examines the use of surface and embedded mountings, to which transducers are attached for the measurement of free field vertical ground vibrations. Upper limits to the frequency measuring range have been evaluated in terms of the geometry of the mounting, the ground rigidity and the maximum acceptable error in the amplitude measurement. Further limitations involving the rigidity of the mounting have also been examined. A number of diagrams representing soft and hard ground have been prepared to assist in evaluating the acceptable frequency range for a particular type and size of mounting.

Subject Headings: Vertical loads | Ground motion | Soft soils | Vibration | Seismic waves | Free surfaces | Errors (statistics) | Rigidity

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