A caisson foundation is a deep foundation type that is typically used in the construction of bridges and other heavy structures, designed to transmit the load from the structure to the soil or rock beneath. These foundations are usually constructed as large, watertight structures that are sunk into the ground and filled with concrete, providing stability and support. The use of caisson foundations is particularly valuable in areas with poor soil conditions or when working in water, where traditional foundations may not be feasible.
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