How sand piles are made:

A pile is made by digging a hole in the ground and filling the hole with sand. These piles are used to consolidate the soil or to increase the bearing capacity as sand can carry more load than soil. By digging the hole with an auger or the bottom end of the pipe. Holes are made by forcing the sand into the soil with pressure to compact the soil or by compressing the sand against the soil. The diameter of this hole is between 20 cm to 40 cm. The excavated rock is then compacted with sand and piled firmly. The sand is kept wet during compaction. One meter of cement at the top of the pile to prevent damage to the pile due to lateral pressure or to protect the filled sand. Filled with concrete. These piles can be made from 2 meters to 5 meters. Piles are generally placed under columns-

Benefits:

1. It is easy to construct.
2. More economical in case of small structures.
3. Use this pile even if there is water in the sub-soil
4. Gravel can also be used instead of sand.

Disadvantages:

1. It is not suitable for earthquake areas.
2. Unsuitable for loose soil. Because the pile can be corroded or damaged.

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