Civil Engineering :: Soil Mechanics and Foundation Engineering
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The vane shear test is used for the in-situ determination of the undrained strength of the intact fully saturated
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Fundamental relationship between dry density (γd), bulk density (γ) and water content (ω), is :
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If the cohesive force, (c), is 1.5 t/m2, the density (γ) of the soil is 2.0 t/m3, factor of safety (F) is 1.5 and stability factor (Sn) is 0.05, the safe height of the §lope, is
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Pick up the correct statement from the following:
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If W1, W2, W3 and W4 are the sequential weights obtained during observations in pycnometer method for determining water content, the formula to be used, is
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Si particles
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Flow net is used for the determination of
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If the back fill is having a uniform surcharge of intensity q per unit area, the lateral pressure will be
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Pick up the correct statement from the following:
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A.
The phenomenon of quicksand generally occurs in the cohesionless soil |
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B.
At critical hydraulic gradient, the saturated sand becomes quick |
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C.
The critical gradient depends on the void ratio and the specific gravity |
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D.
The quick sand occurs more in fine sand and silt than coarse material |
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E.
All the above. |
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A.
W = [ \([\frac { W2+W1)} { W3+W4} ]\) \([\frac { G-1 } { G } ]\)-1] X 100 |
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B.
W = [ \([\frac { W3+W1)} { W3+W4} ]\)[\(\frac { G-1 } { G } ]\)+1] X 100 |
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C.
W = [ \([\frac { W2-W1)} { W3-W4} ]\) \([\frac { G-1 } { G } ]\)-1] X 100 |
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D.
W == [ \([\frac { W2-W1)} { W3-W4} ]\)\([\frac { G+1 } { G } ]\)-1] X 100 |
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A.
Isotropic consolidation of clay can be obtained in the triaxial apparatus under equal all-round pressure. |
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B.
If the present effective stress is the maximum to which the clay has ever been subjected, it is called normally consolidated clay |
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C.
If the present effective stress in the past was more than present effective stress, it is called over-consolidated clay |
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D.
All the above. |