Soil and Foundation Engineering, Question Paper of Civil Engineering 4th Semester, Download Question Paper 17

Roll No­­­­­­­­­_________

SOIL AND FOUNDATION ENGG.

5^th Exam /Civil/5183/May’01

                                                             

Duration 3 Hrs.

Note : Attempt all questions

1.     Fill in the blanks

a.     The material picked up, mixed, transported and re-deposited by glacial melt is called______

b.     The soil transported be water and deposited at the mouth of a stream is called ______

c.      The total weight of soil mass per unit of it total volume is called _______ unit weight.

d.     The soil fraction less than 2 micron is ______

e.      More liquid limit means more_____

2.     Select the correct answers:

a.     The soil collected on the broken rock fragments is called a colluvial/alluvial/ residual soil.

b.     The soil sample is heated in an over at 105 c to 110 c for 24 hours for removing gravitational/ capillary / adsorbed moisture.

c.      Higher density can  be obtained after compaction in well / poorly graded soil.

d.     In case of unconfined aquifer, the pervious state is / is not confined between two impervious layers.

e.      Pore pressure is /is not effective in increasing the shear strength of soil mass.

Section B

Note : Attempt any ten question

3.       

a.     What is the necessity of studying soils form Civil Engineering considerations?

b.     Give the general classification of soil.

c.      What is indicated from the amount of moisture content present in the soil?

d.     Explain how the particle size and shape effect the engineering properties of soil.

e.      Define co-efficient of permeability. State the various factors, which affect the permeability.

f.       Distinguish between porosity and permeability.

g.     Why boring is not possible in fully saturated cohesion less soils?

h.     Distinguish between seepage and porosity.

i.       If the height of fall of hammer in STP is reduced, what result do for expected.

j.       What is absorbed moisture? Describe.

k.     Under what conditions, a pile foundation is more suitable than a shallow foundation ?

l.       Which type of  footing  you will recommend when the loads are light and the soil is good?

Section –C

Note : Attempt any three question

4.       

a.     What do you understand by Alluvial deposits and glacial deposits?

b.     Develop the relationship between the void ratio, water content, specific gravity of particles and degree of saturation.

5.       

a.     Give the geological classification of soils.

b.     Define liqult limit, plastic limit,  shrinkage limit and plastic index.

6.       

a.     How will you fix up the depth of foundation ? give Rankines formula for minimum depth.

b.     Compare a shallow foundation and a deep foundation.

7.       

a.     What is a pile foundation? In what situation it is recommended.

b.     What is negative skin friction?