Consider the following statements about the under-reamed pile in swelling soils:
1. Its bulb provides anchor against movement due to volume changes of soil.
2. It is a driven pile.
3. Its bulb diameter is 2.5 times its shaft diameter.
Which of these statements are correct?
Consider the following statements:
1. Piles are provided in groups, which are connected together by a pile cap. The structure rests on top of the pile cap. The pile cap is situated below the ground level.
2. For situations where pile is subjected to upward pull, pedestal piles or under reamed piles are more suitable type of foundations.
Which of these statements is/are correct?
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A square pile of section 30 cm x 30 cm and length 10 m penetrates a deposit of clay having c = 5 kN/m2 and the mobilizing factor α = 0.8. What is the load carried by the pile by skin friction only?
In the Engineering News Record formula for determining the safe load, carrying capacity of a pile, the factor of safety used is
In pile foundation, the skin friction and end bearing are separated by