Soil and Foundation Engineering, Question Paper of Civil Engineering 4th Semester, Download Question Paper 12

Roll No­­­­­­­­­_________

SOIL AND FOUNDATION ENGG.

4^th Exam /Civil/5109/May’10

                                                             

Duration 3 Hrs.

1.     Fill in the blanks

a.     Soil is formed by weathering of _____

b.     For fully saturated soil, S=______

c.      The consistency limits are also known as _______

d.     Darcy’s law is valid for _______

e.      Quick condition does not occur in _________ deposits.

Choose the correct one

f.       The upward movement of soil is called creep/heaving

g.     For purely cohesive soils, the angle of shearing resistance is zero / 90

h.     Vibrators are used for compacting cohesive soils/ cohesion less soils.

i.       SPT test is used to calculate dry density/ bearing capacity of soil.

j.       Ultimate bearing capacity of soil is load at which soil fails/ safe load on the bearing area.

Sate true of false

k.     Un disturbed sample is collected by thin wall sampler

l.       Soil exploration is done to investigate different properties of soil

m.  End bearing piles and friction piles are used for same purpose

n.     Circular well is an ideal type of well for smooth sinking.

o.     Void ratio of coarse grained soil is more than that of fine grained soil.

Section –B

Note: Attempt any five questions :

2.       

a.     Differentiate between sand and clay

b.     Explain the following terms

                                                             i.      Water content

                                                           ii.      Void ratio

                                                        iii.      Phase diagram

c.      Explain coefficient of uniformity and coefficient of curvature

d.     Explain Darcy’s law and give its limitations

e.       Define and give the importance of effective stress

f.       Explain briefly swelling, creep and heaving

g.     Define and give the importance shear strength.

Section-C

Note: Attempt any two questions:

3.       

a.     Give the  advantages and disadvantages of direct shear test.

b.     Explain method of compaction by sand drains.

4.       

a.     Explain the factors affecting bearing capacity of soil.

b.     Explain location and spacing bore holes for soil exploration.

5.       

a.     Explain the necessity of pile foundation.

b.     Define relative density

c.      Draw a neat and clean sketch of variable head parameter of find the permeability of soil.