Undrained Cyclic Shear of Saturated Sandby Vincent P. Drnevich, Asst. Prof. of Civ. Engrg.; Dept. of Civ. Engrg., Univ. of Kentucky, Lexington, KY,
Serial Information: Journal of the Soil Mechanics and Foundations Division, 1972, Vol. 98, Issue 8, Pg. 807-825
Document Type: Journal Paper
Abstract: Quantitative data are presented and analyzed giving the effective confining pressure, shear modulus, and damping as a function of cycles of loading. Normalized empirical expressions based on initial conditions are developed to describe the measured parameters. The data was obtained from hollow cylinder simple shear tests of saturated Ottawa sand. Both quasistatic (1/10 Hz) and resonance tests (30 Hz to 100 Hz) were performed. Cyclic shear strain amplitudes to 0.15% were maintained constant for the duration of each test. Dynamic pore pressures measured with a transducer mounted at the base of the specimen were less than 5% of the confining pressure for the largest strain amplitudes in the test program. Dilation as measured by the axial vibration of the specimen was also very small. The basic approach used for these data should be applicable to other gradations, other cohesionless soils and to cases where confining pressure is not isotropic.
Subject Headings: Shear tests | Saturated soils | Shear modulus | Dynamic pressure | Strain | Pore pressure | Cohesionless soils | Data analysis
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