UPSC Civil Service Exam Questions - Civil Engineering Questions and Answers

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Discussion :: UPSC Civil Service Exam Questions

Consider the following statements regarding underreamed piles :
1. They are used in expansive soils.
2. They are of perkcast reinforced concrete.
3. The ratio of bulb to shaft diameters is usually 2 to 3.
4. Minimum spacing between the piles should not be less than 1.5 times the bulb diameter.
of these statements :

1, 2 and 3 are correct

1, 3 and 4 are correct

2, 3 and 4 are correct

1, 2 and 4 are correct

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