Soil Mechanics and Foundation Sheet 33
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1) Question.
A clay soil specimen when tested in unconfined condition gave an unconfined compressive strenth of . A specimen of the same clay with the same initial condition is subjected to a UU triaxial test under a cell pressure of . The axial stress at failure would be
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2) Question.
A flow-net constructed to determine the seepage through an earth dam which is homogeneous but anisotropic, gave four flow channels and sixteen equipotential drops. The coefficients of permeability in the horizontal and vertical directions are, respectively. If the storage head was 20 m, then the seepage per unit length of the dam&nbs
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3) Question.
Which one of the following equations corrctly gives the relationship between the specific gravity of soil grains (G) and the hydraulic gradient (i) to initiate 'quick' condition in a sand having a void ratio of 0.5?
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4) Question.
The moisture content of a clayey soil is gradually decreased from a large value. What will be the correct sequence of the occurrence of the following limits?
1. Shrinkage limit.
2. Plastic limit.
3. Liquid limit.
Select the correct answer using the codes given below:
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5) Question.
A fill having a volume of 1,50,000 cum is to be constructed at a void ratio of 0.8. The borrow pit soil has a void ratio of 1.4. The volume of soil required (in cubic metres) to be excavated from the borrow pit will be
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6) Question.
Consider the following statements:
In subsoil exploration programme the term "significant depth of explortion" is up to
1. the width of foundation.
2. twice the width of foundation.
3. the depth wherethe additional stress intensity is less than 20% of overburden pressure.
4. The depth where the additional stress intensity is less that 10% of the overburden pressure.
5. hard rock leve.
Of these statements
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7) Question.
In case of well foundation, grip length is defined as the
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8) Question.
A 30 cm diameter friction pile is embedded 10 m into a homogeneous cnsolidated deposit. Unit adhesion developed between clay and pile shaft is and adhesion factor is 0.7. The safe load for factor of safety 2.5 will be
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9) Question.
Which of the following types of soil is transported by gravitational forces?
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10) Question.
Residual soils are formed by
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