Soil and Foundation Engineering, Question Paper of Civil Engineering 4th Semester, Download Question Paper 20

Roll No­­­­­­­­­_________

SOIL AND FOUNDATION ENGG.

5^th Exam /Civil/5183/May’06

                                                             

Duration 3 Hrs.

Note : Attempt all questions

1.     Fill in the blank

a.     Aeolian soil is classified as ______

b.     More liquid limit means ______

c.      Effective stress is also known as ______

d.     Strength of soil is usually identified by ____

e.      Zero air void line is also known as _____

Choose the correct answer:

f.       Auger boring is suitable upto what depth for sub-soil exploration 2m, 9m, 20m.

g.     In plate load test reading are taken upto an accuracy of 0.02m.m, 0.2m.m , .oo2m.m

h.     Which is least permeable material sand /silty clay/stiff clay.

i.       In which soil process of consolidation is quicker. Fine – grained soil/coarse grained soil.

j.       When the plasticity index of soil is zero then soil is clay/sand / silt.

State True or False.

k.     Pile foundation is used in sandy soil.

l.       Dry density is minimum at OMC.

m.  Compaction helps to decreases the bearing capacity.

n.     Specific gravity of soil is determined at VPC

o.     Fine soils pass through 75 micron IS sieve.

Section –B

2.     Attempt any then  questions

a.     Define and explain geological cycle.

b.     Differentiate between unit weight and bulk density of soil. Write detailed not on poorly graded soils.

c.      Write detailed note on poorly graded soils.

d.     Explain dilatancy test performed on soil.

e.      Compare permeability of gravel and fine sand.

f.       Briefy explain the concept of total stress.

g.     Bring out the difference between creep and plastic flow of soils.

h.     Define angle of internal friction and it effect on bearing capacity of soils.

i.       List function of foundations

j.       Write a note on formation of soils.

k.     Give sizes of set of sieve for mechanical analysis  of soil 

l.        What are transported soils and how they differ from residual soils.

Section –C

3.     Attempt any three questions

a.     What is absorbed water? How does it effect the properties of soil mass ? is it useful?

b.     Why particle size distribution curve drawn on semi – logarithm graph sheet. Give its utility.

c.      Describe how more dry density and OMC is found by standard proctor compaction test.

d.     What is field compaction? Explain different methods commonly used for compacting soils in field.