Soil and Foundation Engineering, Question Paper of Civil Engineering 4th Semester, Download Question Paper 13

Roll No­­­­­­­­­_________

SOIL AND FOUNDATION ENGG.

5^th Exam /Civil/5183/Dec’05

                                                             

Duration 3 Hrs.

Note : Attempt all questions

1.     Fill in the blanks

a.     For compacting small area ______ are used

b.     More density is achieved at ____

c.      Unit weight = ________

d.     Sp.gr. is ratio of volume voids to the wt. of ______

e.      A.S.T.M tools is used for ________ soils.

Choose the correct answer:

f.       Soils are basically _____(organic material , mineral material, organic and inorganic material )

g.     %age of the porosity of compacted sand is about _(5 to 15, 15 to 30, 30 to 40, 4- to 50)

h.     L.L of a soil indicates ______ compressibility, permeability, OMC, shear strength _)

i.       Quick sand is _______ (a type of sand, gravel , silt, sand)

j.       _______ is least permeasle,(sand, gravel silt clay, stiff clay)

Sate true or false:-

k.     Addition of admixtures increases density of soil by 5 to 15 %

l.       Angle of internal friction does not depend upon particle shape .

m.  Effective stress is also known as inter granular stress.

n.     Min. size of grains of silt is about 0.06mm

o.     Darcy’s equation is valid for Turbulent flow.

Section –B

2.     Attempt any ten questions.

a.     What is the importance of soil n engineering ?

b.     Give the concept of shear strength .

c.      What different purposes are served by soil investigation?

d.     State the importance of effective stress.

e.      How mass density of soil is determined ?

f.       Give importance of SPT in civil determined?

g.     How soil exploration is planed?

h.       Explain angle of repose.

i.       What are aquifers?

j.       What causes of failure of foundation.

k.     Which factors effect –bearing capacity of soil?

l.       What we mean by bulking of soils?

Section –C

3.     Attempt any three questions

a.      

                                                             i.      Explain porosity and water content/

                                                           ii.      What is participle, size distribution cure and its uses?

b.       

                                                             i.      White ISI classification of soils.

                                                           ii.      How do you determine %age finer than different sieve sizes in laboratory?

c.        

                                                             i.      Explain settlement due to lowering of water able

                                                           ii.      Give constructional features of pile foundation  

d.     Differentiate between

                                                             i.      Specific gravity and relative density

                                                           ii.      Seepage and permeability