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Skip to Search Results- 3Cohesionless soils
- 3Liquefaction
- 3Shear wave velocity
- 2In situ state
- 2Laboratory testing
- 2State parameter
- 4Robertson, P. K.
- 3Sego, D. C.
- 2Cunning, J. C.
- 1Amir-Tahmasseb, I.
- 1Chillarige, A. R.
- 1Christian, H.
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1997
Christian, H., Morgenstern, N., Chillarige, A. R., Robertson, P. K.
Abstract: Liquefaction flow slides are recurrent phenomena in the Fraser River delta near Sand Heads. The reasons for these failures an unexplained and remained speculative. An investigation of a liquefaction flow slide that occurred in 1985 in the Fraser River near Sand Heads has been undertaken...
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1994
Sego, D. C., Sasitharan, S., Kilpatrick, B. I., Robertson, P. K., Pillai, V. S.
Abstract: In situ ground freezing to obtain undisturbed samples of a loose sand beneath the Duncan Dam in British Columbia is described. This was the first known use of ground freezing to assist in obtaining samples at depth greater than 10 m in Canada. Once frozen, the sand was cored and brought...
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1995
Sego, D. C., Cunning, J. C., Robertson, P. K.
Abstract: Shear wave velocity (V-s) measurements were carried out in a triaxial testing program on three different cohesionless soils. The V-s was measured using bender elements during consolidation and at ultimate steady state. After consolidation the soil samples were loaded in shear under...
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1995
Robertson, P. K., Cunning, J. C., Sego, D. C., Sasitharian, S.
Abstract: The initial state of a sand, defined by the void ratio and effective mean normal stress, can be used to predict its large-strain response. Laboratory studies have shown that the shear-wave velocity of a sand is controlled primarily by the effective confining stresses and void ratio....
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1965
Morgenstern, N. R., Amir-Tahmasseb, I.
Hydrostatic pressure, arching of the soil and electro-osmotic forces have each been suggested as the dominant factor to account for stability of trench excavations in cohesionless soils supported by clay slurries. The Authors suggest that the most important mechanism is the hydrostatic pressure...