Soil
Shear stress, residual shear stress
This test method consists of placing the specimen in the annular specimen container, applying a predetermined normal stress through the top loading platen, providing for wetting and draining of the specimen (optional); consolidating the specimen under the normal stress; decreasing the normal stress to yield an overconsolidated specimen; preshearing the specimen by rotating the specimen container against the top loading platen for one revolution; applying a constant rate of shear deformation; and measuring the shearing force and displacement until a constant minimum resistance is reached.
1
annular specimen; inside diameter ~2", outside diameter ~3.25"
consolidated; drained test conditions; Mohr-Coulomb strength envelope; reconstituted specimens; residual shear strength; ring-shear test
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