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[[File:Geotechnical centrifuge at the University of California, Davis..png|thumb|{{convert|9|m|ft|adj=mid|-radius|0}} geotechnical [[centrifuge]] at the University of California, Davis]]
'''Geotechnical centrifuge modeling''' is a technique for testing physical scale models of [[geotechnical|
The scale [[Physical model|model]] is typically constructed in the laboratory and then loaded onto the end of the [[centrifuge]], which is typically between {{convert|0.2|and|10|m|ft|1}} in radius. The purpose of spinning the models on the centrifuge is to increase the [[g-force]]s on the model so that stresses in the model are equal to stresses in the prototype. For example, the stress beneath a {{convert|0.1|m|ft|adj=mid|-deep|1}} layer of model [[Soil mechanics|soil]] spun at a centrifugal acceleration of 50 g produces stresses equivalent to those beneath a {{convert|5|m|ft|adj=mid|-deep|0}} prototype layer of soil in earth's [[gravity]].
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