The part of the wall on which the arch rests is called

The maximum possible value of group index for a soil is

The ratio of depth of foundation to the width of foundation for a shallow foundation is typically:

Which of the following is the analytical method for determining the bearing capacity of the soil?

The dilatancy correction for the Standard Penetration Test (SPT) N-value is applied to:

If a uniform surcharge of 100 kN/m² is placed on the backfill with φ' = 30 degrees, then the increase in active pressure is:

The most commonly used sampler for obtaining a disturbed sample of the soil is

The values derived from penetration tests can be used for finding the

A retaining wall with a smooth vertical back retains a clay backfill with cohesion (c) = 15 kN/m², friction angle (φ') = 15 degrees, and unit weight of soil = 15 kN/m³. The wall height is 8 m. The approximate value of pressure at the top will be (in kN/m²)

A rigid smooth vertical wall of height of 7 m with vertical back-face retains saturated clay as backfill. The saturated unit weight and undrained cohesion of the backfill are 17.2 kN/m³ and 20 kPa, respectively. The difference in the active lateral forces on the wall (in kN per metre length of wall, up to two decimal places) before and after the occurrence of tension cracks is______.