Answer / mohamed iqbal

Open foundation is one which is usually constructed very
near to the ground surface to carry the load from a
structure and distribute it to sub soil which has
sufficient bearing strength.
Well foundation or caisson is one in which circular casings
made of concrete or steel are sunk continuously one over
another to reach larger depths when the soil at top is of
less strength to hold the load from the structures.

Answer / bong/mustafa

The different between the open and well foundation are:
the open foundation is a kind of foundation that is in
natural grade line of the soil , While the well foundation
is usually used in making of foundation were water is
present like making ports.

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