Soil and Foundation Engineering, Question Paper of Civil Engineering 4th Semester, Download Question Paper 6

Roll No­­­­­­­­­_________

SOIL AND FOUNDATION ENGG.

4^th Exam /Civil/5109/May’08

                                                             

Duration 3 Hrs.

1.     Fill in the blanks

a.     Soils are derived from _________ rocks.

b.     Phase diagram represent the _______ of constituents.

c.      Pervious soils are ________ suitable for sub grade for roads.

d.     Compressive index of a soil ______ with increase in L.L

e.      Sand replacement method used to determine ____

Choose the correct one

f.       For obtaining undisturbed sample which type of the following is used thin tube sample / split spoon or both.

g.     Strength of soil is usually identified by ultimate shear stress/ effective  stress.

h.     Compressibility characteristic of soil depends on L.L/P.L/ shrinkage limit.

i.       Quick sand is condition in which cohesion less soil losses its strength/ cohesive soil losses its strength.

State true or false.

a.     Grillage foundation is essentially a deep foundation

b.     For shallow foundation. Trial pits are used upto 5m

c.      Proctor needle method is used to determine water content.

d.     Agriculturists define soil a loose material favoring plant growth.

e.      Knowledge of water content in soil is necessary in / in controlling the Sp. Gr. Of soil.

Section –B

Note : Attempt any ten questions

2.       

a.     High light the importance of soil studies in civil engineering .

b.     Differentiate between water content and degree of saturation.

c.      What are the effects of shape of particles of soil an engineering property?

d.     Explain Atterberg’s limits.

e.      Enlist importance of permeability.

f.       Explain neutral stress in soils.

g.     Differentiate between consolidation and settlement

h.     What do you mean by max. dry density.

i.       Give various methods of soil exploration.

j.       Explain quick sand phenomena.

k.     What is soil profile?

l.       How liquid limit test is conducted?

Section –C

Note: Attempt any three questions

3.     Discuss importance of soil engineering with reference to roads.

4.     What are constituent of soil? Discuss function of each constituent.

5.      What do you mean by particles size? How does size and shape effect on engineering properties of soil.

6.     What do you mean by boiling of sand? Discuss with a diagram.