ANSWER

FOUNDATION  WHERE USED
Strip Foundation Rocky, solid chalk, sands and gravel, gravel with only a small proportion of clay
Short-bored pile foundation  Shrinkable clay
Raft foundation Soft natural ground or fill, or on ground that is liable to subsidence as in mining areas
Pad foundations Sand and gravel with only small proportions of the clay, dense salty sand
Wide-strip foundation Where the load-bearing capacity of the ground is low e.g marshy ground, soft clay, salty ground

 

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