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03000CE305092001

A pile load test is done on a 30 cm diameter pile. Determine the safe load
considering settlement and shear failure criteria. Take factor of safety as 2.5 for

shear failure criteria.

Load (KN)

നിന

What are the IS guidelines for choosing depth and spacing of Bore holes?

What is Negative skin friction? What are the causes for negative skin friction?
Determine safe load for a concrete pile 30 cm diameter driven into dense sand for
a depth of 7 m. The soil properties are ¢ = 35°, y =19 kN/m*, K ಎ2, 140- 60,
N, = 42.4. Take critical depth for overburden pressure as 15 and factor of safety
as 2.5.

Explain Wash boring method of subsoil exploration.

Determine the natural frequency of a machine foundation having a base area of
2.5x2.5 ൩ and a mass of 10000 Kg, including mass of the machine. Take

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oefficient of uniform elastic compression as 10’ N/m’.

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