Q. The equation used for determining the bearing capacity of a group of friction piles is __________

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Q. When the under-reamed pile has only one bulb, it is called _________

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Q. The diameter of the under-reamed pile is kept equal to _______ times the diameter of pile steam.

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Q. Under-reamed pile foundation is most suitable for ___________ type of condition.

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Q. The load carrying capacity of a under-reamed pile may be determined by _________

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Q. The under-reamed piles are connected by a beam known as ___________

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Q. The maximum spacing of the under-reamed pile should not normally exceed __________

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Q. Under reamed piles are normally bored _________ piles.

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Q. The spacing of the piles in under-reamed pile foundation depends on which of the following factor?

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Q. The grade beams are designed for a maximum bending moment of _________ if the beams are supported.

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Q. The details of the depth of beam and reinforcement required for various loading is provided by_______

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Q. The equipment required for construction of a under-reamed pile is________

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Q. The use of bore guide in under-reamed pile foundation is essential for __________

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Q. Which of the following stages are involved in the construction of under reamed piles?

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Q. The depth of the bore hole is checked at _________ before insertion of the under-reamer.

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Q. Routine tests are usually carried out on _________

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Q. In the process of pile foundation, boring is done with the help of _________

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Q. Enlarging the stem of bore hole at the depth is done by using________

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Q. For completion of one under-ream, how many buckets of earth are required for removal?

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Q. Pile groups in under-reamed pile foundation can be tested by means of _________

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