Soil and Foundation Engineering 5th Sem/Civil/Dec 2015 Diploma Paper

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Soil and Foundation Engineering 5th Semester /Civil/2517/Dec 2015 Diploma PSBTE Paper

SECTION-A

Q1. Fill in the Blanks 15×1=15

a. Soils are formed by weathering of ________
b. Void ratio of course grained soil is Than fine grained soils.
c. The degree of plasticity sand is
d. The effect of pore water pressure is _ the volume of the soil mass.
e. For purely cohesive soils, the angle of shearing resistance is _
f. During compaction the voids of a soil mass ________
g. The ratio of volume of water in a given soil mass to the volume of the void is called _
h. Plasticity index is the difference between the liquid limit and
i. Darcy’s law is valid for Flow
j. The upward movement of soil is termed as ___________

State True or False:-

a. The Cohesion less soil has less bearing capacity then cohesive soils.
b. Sand drains are infect weak piles used to stabilize soil.
c. Raft footing is a deep foundation.
d. The phenomena of boiling occur generally in sand deposits.
e. Sheep foot rollers are recommended for compacting cohesion less soil

SECTION-B

Q2. Attempt any five questions. 5×6=30

I) Draw and define phase diagram for the soil. When it becomes two phase system from three phase system.
II) Define atterbergs limits (L.L,P.L etc.). Explain their use & practical significance.
III) Define permeability. Give its concept.
IV) Explain maximum dry density and optimum water content.
V) Write a short note with sketch on well foundation.
VI) Define soil exploration. State its purpose.
VII) Give the concept of shallow and deep foundation.
VIII) Explain the concept of effective stress.

SECTION-C

Q3. Attempt any three questions. 3×10=30

i) Explain the factors which effect permeability of soils.
ii) What are the various factors effecting compaction?
iii) What are the various factor effecting bearing capacity of soil?
iv) Describe the various methods of compacting soils.
v) Explain the methods of improving bearing capacity of soil.

Soil & Foundation Engineering 5th Semester /Civil/DEC 2015 Diploma Paper

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Section a Soil and Foundation Engineering 5th Sem /Civil/DEC 2015 Diploma Paper

Soils are formed by weathering of ________________ Void ratio of course grained soil is ________Than fine grained soils. The degree of plasticity sand is ________________ The effect of pore water pressure is _____________ the volume of the soil mass. For purely cohesive soils, the angle of shearing resistance is _______________ During compaction the voids of a soil mass ________________ The ratio of volume of water in a given soil mass to the volume of the void is called _____________ Plasticity index is the difference between the liquid limit and ______________ Darcy’s law is valid for ____________ Flow. The upward movement of soil is termed as __________________ The Cohesion less soil has less bearing capacity then cohesive soils.T/F Sand drains are infect weak piles used to stabilize soil.T/F Raft footing is a deep foundation.T/F The phenomena of boiling occur generally in sand deposits.T/F Sheep foot rollers are recommended for compacting cohesion less soil.T/F

Soil and Foundation Engineering 5th Sem/Civil/DEC 2015 Diploma Paper Click Here

Section B :Soil and Foundation Engineering 5th Semester /Civil/2517/DEC’15 Diploma Paper

Draw and define phase diagram for the soil. When it becomes two phase system from three phase system.

Phase diagram for the soil.

Concept of effective stress.

Soil and Foundation Engineering 5th Sem/Civil/Dec 2015 Diploma Paper Click Here

Soil and Foundation Engineering 5th Semester /Civil/2517/ Dec 2015 Diploma PSBTE Paper

Get Started https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s

Section c :-Soil and Foundation Engineering 5th Semester /Civil/dec 2015 Diploma Paper

Explain the factors which effect permeability of soils.

Factors which effect permeability of soils.

What are the various factors effecting compaction?

Various factors effecting compaction

What are the various factor effecting bearing capacity of soil?

Factor effecting bearing capacity of soil

Describe the various methods of compacting soils.

Various methods of compacting soils.

Explain the methods of improving bearing capacity of soil.

Methods of improving bearing capacity of soil.

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