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A laser scanning device for measurement of displacement is introduced for application in triaxial testing apparatuses. The equipment provides contactless measurement of the radial displacement of the sample over the whole sample height. Additionally, a method is proposed for determining the initial sample volume from the scanned sample profiles as well as the change in volume during test performance. These methods are then evaluated, based on test results from a drained stress path test on Swiss lacustrine clay.
Authors:Messerklinger, Sophie and Bleiker, Ernst and Zweidler, Adrian and Springman, Sarah M.
Index Terms:Soil Testing; triaxial testing; Swiss lacustrine clays; laser scanning; clay; SoilGroup; Bleiker, Ernst; Messerklinger, Sophie; Springman, Sarah M.; Zweidler, Adrian
Further Information:Date published: 2004