Engineering :: Soil Mechanics and Foundations

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191.

The lateral earth pressure exerted by the soil when the retaining wall moves into the soil, is known as

A.	earth pressure at rest	B.	active earth pressure
C.	passive earth pressure	D.	total earth pressure

192.

The earth pressure at rest is calculated by using

A.	Euler's theory	B.	Rankine's theory
C.	bending theory	D.	theory of elasticity

193.

The coefficient of earth pressure at rest for loose sand is

A.	more than	B.	less than
C.	same as

194.

The coefficient of earth pressure at rest for stiff clay is about

A.	0.4	B.	0.5
C.	0.6	D.	0.8

195.

The coefficient of earth pressure at rest for sand compacted in layers is about the same as for stiff clay.

Yes

196.

If the coefficient of passive earth pressure is 1/3, then the coefficient of active earth pressure is

A.	1?3	B.	1
C.	3?2	D.	3

197.

The coefficient of active earth pressure for a loose sand having an angle of internal friction of 30?, is

A.	1?2	B.	1?3
C.	1	D.	3

198.

For a sandy soil, the angle of internal friction is 30?. If the major principal stress is 50 kN/m2 at failure, the corresponding minor principal stress will be

A.	12.2 kN/m2	B.	16.66 kN/m2
C.	20.8 kN/m2	D.	27.2 kN/m2

199.

The dry sand specimen is put through a triaxial test. The cell pressure is 50 kPa and the deviator stress at failure is 100 kPa. The angle of internal friction for the sand specimen is

A.	15?	B.	30?
C.	35?	D.	40?

200.

The earth pressure at rest is proportional to ? / 1 - ?, where ? = Poisson's ratio of the soil.

Right

Wrong