1. Choose the correct answer from the following:

What is the maximum size of plate for plate load test?

30 cm square

45 cm square

60 cm square

75 cm square

The field plate load test is the oldest of the methods of determining

Bearing capacity

Settlement

Shear strength

Both and

According to Indian Standard Code practices, the standard temperature for reporting the specific gravity of soil is

O°C

20°C

27°C

30°C

Pile foundation are most appropriate for

Compact soil

Soft rocks

Water-logged soil

Multi-storey buildings only

In constructions necessitating deep foundation, the piles are mainly used to

Carry vertical compression load

Resist uplift load

Resist horizontal or inclined load

All the above

The Dutch penetration cone test is related to

Soil profiling

Derivation of soil properties

None of the above

Both and

Dry density of soil is equal to the

Mass to volume of solids

Mass to total volume of soil

Density in dried condition

None of the above

2. What is meant by co-efficient of permeability Mention some common methods of determining co-efficient of permeability and explain anyone.

3. Mention the different methods of boring of hole and explain any two methods.

What is meant by Atterberg limits Explain its practical significance.

Explain the different methods of field identification of soil.

A direct shear test, when conducted on a remoulded sample of sand, gave the following observations at the time of failure:

Normal load =288 Shear load =173 N. The cross-sectional area of sample 36 cm^2.

Determine:

Shear stress

Normal stress

Explain the discrepancies between laboratory and field test in determination of shear strength.

6. Explain the plate load test for determining bearing capacity and also make an assessment on the limitations of the field plate load test.

7. What is meant by load carrying capacity of piles Explain the constructional features of pile foundation.

8. Write short notes on any four of the following:

Behaviour of cohesive soil

Shape and size of soil particles

Soil compaction and its necessities

Darcy's law

Factors affecting bearing capacity

Optimum water content