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  • Question

  • A structure is erected on an impervious clay whose thickness is 12 m. Drainage is possible both at upper and lower surfaces. Coefficient of consolidation is 0.015 cm2 per minute. For attaining 50% consolidation with a time factor 0.20, the number of days required


  • Options
  • A. 3233
  • B. 3123
  • C. 33331
  • D. 3313

  • Correct Answer
  • 33331 

    • Soil Mechanics and Foundation Engineering problems

    Search Results

    • 1. The slip at critical angle, is generally known

    • Options
    • A. ? 1-line
    • B. rupture plane
    • C. slip plane
    • D. all the above.
      • Discuss
    • 2. Laplacian fundamental equation for a non-compressible flow in three dimensions, is

    • Options
    • A.
    • B.
    • C.
    • D. none of these.
      • Discuss
    • 3. If ? is the surcharge angle of a backfill with an angle of internal friction ?, the coefficient of active earth pressure given by Rankine's theory, is :

    • Options
    • A.
    • B.
    • C.
    • D. none of these.
      • Discuss
    • 4. The plasticity of fine soils may be assessed by means of

    • Options
    • A. dry strength test
    • B. toughness test
    • C. dilatancy test
    • D. all of these.
      • Discuss
    • 5. Soils containing organic matters

    • Options
    • A. are of spongy nature
    • B. swell with decrease of moisture
    • C. shrink with increase of moisture content
    • D. none of these.
      • Discuss
    • 6. The pressure that builds up in pore water due to load increment on the soil, is termed

    • Options
    • A. excess pore pressure
    • B. excess hydrostatic pressure
    • C. hydrodynamic pressure
    • D. all the above.
      • Discuss
    • 7. A soil not fully consolidated under the existing over-burden pressure, is called

    • Options
    • A. pre-consolidated
    • B. normally consolidated
    • C. under-consolidated
    • D. none of these.
      • Discuss
    • 8. A grillage foundation

    • Options
    • A. is provided for heavily loaded isolated columns
    • B. is treated as spread foundation
    • C. consists of two sets of perpendicularly placed steel beams
    • D. all the above.
      • Discuss
    • 9. The intensity of active earth pressure at a depth of 10 metres in dry cohesionless sand with an angle of internal friction of 30° and with a weight of 1.8 t/m3, is

    • Options
    • A. 4 t/m2
    • B. 5 t/m2
    • C. 6 t/m2
    • D. 7 t/m2
    • E. 8 t/m2
      • Discuss
    • 10. The density of soil can be increased

    • Options
    • A. by reducing the space occupied by air
    • B. by elastic compression of soil grains
    • C. by expelling water from pores
    • D. All the above.
      • Discuss

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