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Effect of Loading and Suction History on Time Dependent Deformation of Crushed Granular Aggregates
The paper presents the results of an experimental investigation aimed at evaluating the time-dependent compressibility of a coarse crushed quartzitic slate, focusing on the effects of the previous loading and hydraulic history. Long-term and large diameter compression tests under oedometer conditions were performed at different relative humidity (total suctions) and vertical stresses but following different loading and hydraulic paths. A finding is that pre-compressing at increasing overconsolidation ratios or pre-soaking the crushed material at constant and elevated stresses leads to the progressive vanishing of long-term deformations.
Effect of Loading and Suction History on Time Dependent Deformation of Crushed Granular Aggregates
The paper presents the results of an experimental investigation aimed at evaluating the time-dependent compressibility of a coarse crushed quartzitic slate, focusing on the effects of the previous loading and hydraulic history. Long-term and large diameter compression tests under oedometer conditions were performed at different relative humidity (total suctions) and vertical stresses but following different loading and hydraulic paths. A finding is that pre-compressing at increasing overconsolidation ratios or pre-soaking the crushed material at constant and elevated stresses leads to the progressive vanishing of long-term deformations.
Effect of Loading and Suction History on Time Dependent Deformation of Crushed Granular Aggregates
Springer Ser.Geomech.,Geoengineer.
Laloui, Lyesse (editor) / Ferrari, Alessio (editor) / Romero, Enrique (author) / Alvarado, Clara (author) / Alonso, Eduardo E. (author)
2013-01-01
6 pages
Article/Chapter (Book)
Electronic Resource
English
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