Soil and Foundation Engineering, Question Paper of Civil Engineering 4th Semester, Download Question Paper 14

Roll No­­­­­­­­­_________

SOIL AND FOUNDATION ENGG.

5^th Exam /Civil/5183/Dec’07

                                                             

Duration 3 Hrs.

Note : Attempt all questions

1.     Fill in the blanks

a.     Bult unit weight is also called______

b.     The finer sub division of clay particles are known as ______

c.      The coefficient of permeability is determined by using _______ in the laboratory

d.     Surface of ground water is also as _________

e.      The rate  of compression is ______ in coarse – grained soils

Choose the correct answer:

f.       The ________ cross- section of soil layers through the soil – soil is known as soil profile (vertical/ horizontal)

g.     The ratio of volume of water in given soil mass to the volume of voids is called ______(degree of saturation/porosity)

h.     Higher density can be obtained after compaction is ___ graded soil. (wall/poor)

i.       Pervions soils ________ suitable for rub grades for roads(are/are not)

j.       The effective stress is effective in _____ void ratio of the soil mass (increasing/ decreasing )

State true or False

k.     The degree of saturation in case of a partially saturated soil is cent percent

l.       Liquid limit test is performed only for coarse – grained soils.

m.  Darcy’s  law is valid for turbulent flow.

n.     The effective stress is not effective in increasing the void ratio of the soil mass

o.     Pore pressure acts equally on all side of soil participles

Section –B

2.     Attempt any ten questions

a.     Give geological origin of soils.

b.     Define void ratio, porosity, dry unit weight.

c.      What is the effect of particle size on properties soil?

d.     Define Darcy’s law, coeff,  of permeability and seepage velocity.

e.      Describe briefly the principle of effective stress.

f.       What do you understand by (i) creep (ii) heaving?

g.     List three examples of shear failure in soils.

h.     What is the necessity of compaction?

i.       Give the significance of ultimate bearing capacity.

j.       What is the purpose of soil exploration?

k.     List various types of samples collected for soil exploration.

l.       List types of shallow foundations

Section –C

3.     Attempt any three questions.

4.       

a.     Give the engineering classification of soils.

b.     What are the field identification tests for soils?

5.      

a.     List the methods of measuring permeability in the laboratory and explain one.

b.     Explain the principle of effective stress

6.       

a.     Why is the differential settlement harmful?

b.     Explain the stress-strain curves for cohesive soils.

7.       

a.     What are the factors affecting bearing capacity of soils? Explain

b.     List the various methods of soil exploration.