Engineering :: Soil Mechanics and Foundations

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221.

According to Terzaghi's equation, the bearing capacity of strip footing resting on cohesive soil (c = 10 kN/m2) per unit depth and unit width (assume Nc as 5.7) is

A.	47 kN/m2	B.	57 kN/m2
C.	67 kN/m2	D.	77 kN/m2

222.

In case of footings in sand, if the soil pressure distribution is triangular, the maximum soil pressure is

A.	equal to	B.	double
C.	three times	D.	four times

223.

Which of the following statement is correct?

A.	The settlement of a flexible footing on choesionless soil is less in the centre that at the edges.	B.	The settlement of a rigid footing on cohesionless soil is uniform throughout.
C.	The settlement of a flexible footing on cohesive soil is more in the centre than at the edges.	D.	all of the above

224.

The contact pressure of flexible footing on no-choesive soils is

A.	more in the centre than at the edges	B.	less in the centre than at the edges
C.	uniform throughout	D.	none of these

225.

The contact pressure of rigid footing on cohesive soils is

A.	more in the centre than at the edges	B.	less in the centre than at the edges
C.	uniform throughout	D.	none of these

226.

The process of obtaining increased density of soil in a fill by reduction of its pore space by the expulsion of air, is known as

A.	soil exploration	B.	soil stabilisation
C.	soil compaction	D.	consolidation

227.

The process of maintaining or improving the performance of a soil as a constructional material, usually by the use of admixtures, is known as

A.	soil exploration	B.	soil stabilisation
C.	soil compaction	D.	consolidation

228.

The high density of the soil placed in a fill is desired in order to

A.	increase its shear resistance	B.	reduce future settlements
C.	reduce percolation through the fill	D.	all of these

229.

The critical height in the stability of soil is the

A.	minimum height at which it is possible for the sloped bank of soil to tbe stable	B.	macimum height at which it is possible for the sloped bank of soil to be stable
C.	minimum vertical height of the soil in an open excavation	D.	maximum vertical height of the soil is as open excavation