Balanced pad foundations are used where a number of loads are required to be supported on a single pad and where excessive variations in pressure could produce unacceptable differential movement. They consist of reinforced concrete pad bases designed for the critical design loading with the aim of keeping the differential ground stresses and hence settlements to an acceptable level. This requirement could be the result of a sensitive sub-strata and/or a sensitive superstructure over. There are a number of different types of balanced pad foundations which include rectangular, trapezoidal, holed and cantilever, and these are described in the following sections.
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