Question 4
Marks : +2 | -2
Pass Ratio : 20%
Which of the following stages are involved in the construction of under reamed piles?
Explanation: The various stage involved in the construction of under reamed pile foundation are i) boring by auger ii) under-reaming by under-reamer iii) placing reinforcement cage in position iv) concreting of pile caps, plinth beams and curtain walls.
Question 7
Marks : +2 | -2
Pass Ratio : 60%
The use of bore guide in under-reamed pile foundation is essential for __________
Explanation: The used of boring guide is essential in order to keep the bore holes vertical and also in its position.