Results 201 to 210 of about 6,728 (251)

Dynamic shear modulus in torsion human dentin and enamel

, 1990
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The Dynamic Shear Modulus and Damping Ratio of Clay Nanocomposites

Clays and Clay Minerals, 2014
AbstractClay soils are very useful as liners in geotechnical structures such as landfill sites, dams, water channels, etc. Swelling is a common problem in clay liners, however. To better understand swelling properties, in the present study clay nanocomposites were produced by means of the sol gel method, using a hydrophobic clay, polymers (locust bean ...
Akbulut, Suat, Kurt, Zeynep Neşe
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Evaluation of Shear Modulus and Damping in Dynamic Centrifuge Tests

Journal of Geotechnical and Geoenvironmental Engineering, 2005
Correct evaluation of shear modulus and damping characteristics in soils under dynamic loading is key to both the fundamental understanding of soil behavior and the practical application of soil modeling programs. Dynamic centrifuge tests can contribute significant information about soil behavior, but great care must be taken over the signal processing
Brennan, A. J., Thusyanthan, N. I., Madabhushi, S. P. G.   +2 more
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The dynamic shear modulus of marine sediments

The Journal of the Acoustical Society of America, 1988
The dynamic shear modulus of marine sediments (μ) as a function of overburden pressure (p) and voids ratio (e) can be represented approximately by the expression μ=μ0(p/p0)n ×exp(−Γe), where μ0, n, and Γ are constants. Available laboratory results for sands, silts, and clays over a pressure range of 24 to 700 kPa and a voids ratio range of 0.35 to 1.5 ...
G. M. Bryan, R. D. Stoll
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Dynamic Shear Modulus of Isotropic Elastomers

Macromolecules, 2004
We have investigated the dynamic mechanical behavior of two cross-linked polymer networks with very different topologies: one made of backbones randomly linked along their length; the other with fixed-length strands uniformly cross-linked at their ends. The samples were analyzed using oscillatory shear, at very small strains corresponding to the linear
A. M. Squires, A. R. Tajbakhsh, E. M. Terentjev   +2 more
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Dynamic shear modulus for two-dimensional bond percolation

Physical Review B, 1988
We report dynamic measurements of the shear modulus \ensuremath{\mu} of a two-dimensional bond percolation lattice model made by exciting torsional oscillations of cylindrical screens of (3--5)\ifmmode\times\else\texttimes\fi{}${10}^{3}$ bonds. Critical variables such as the correlation length and the susceptibility, calculated from cluster statistics,
, Allen, , Golding, , Haemmerle
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Dynamic Shear Modulus of Treated Expansive Soils

Journal of the Geotechnical Engineering Division, 1980
Dynamic shear modulus of expansive soils treated with lime, salt, and lime-salt combination has been determined by the resonant column technique to study the parametric effects of confining pressure, shear-strain amplitude, degree of saturation, treatment level, type of additives, and soil structure.
Wing-Cheong Au, Yong S. Chae
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Dynamic shear modulus of polystyrene bead foams

Journal of Applied Polymer Science, 1972
AbstractThe shear storage modulus has been determined for 0.05, 0.10, and 0.22 g/cc polystyrene bead foams and for the full density polymer at frequencies from 0.005 to 0.5 Hz at temperatures from −5° to 84°C. These data are superposed to form master curves of log modulus versus log temperature‐reduced frequency, using shift factors calculated by the ...
J. A. Rinde, K. G. Hoge
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INVESTIGATIONS FOR EVALUATION OF DYNAMIC SHEAR MODULUS OF SOILS

ISET Journal of Earthquake Technology, 1977
The determination of the dynamic shear modulus ‘G’ of soils, accounting for the various parameters affecting its value, has assumed a special significance in recent years in view of the advancements in the techniques for analysing dynamic soil-structure interaction problems.
P. NANDAKUMARAN, V.K. PURI, V.H. JOSHI, S. MUKERJE   +3 more
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Time Effects on Dynamic Shear Modulus of Clays

Journal of the Soil Mechanics and Foundations Division, 1972
A Hardin oscillator was used to apply a steady-state, torsional vibratory load to remolded specimens of kaolinite and calcium bentonite inside a triaxial chamber and under an isotropic consolidation pressure. The principles of the resonant column test were used to determine the dynamic shear modulus.
William F. Marcuson, Harvey E. Wahls
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