Anchor Piled Footings – An Alternative Foundation Technique in Expansive Soils
Abstract
A search for alternative foundation systems in
expansive soils has been continued since their problems were
recognized all over the world. Despite the availability of a good
number of remedial techniques, their adoptability and
effectiveness under varied geographical and climatic conditions
have remained questionable. The present paper discusses the field
investigations on the recently promulgated technique of anchor
piled footings in expansive soils. These studies have revealed that
the granular anchor piles exhibit promising pullout capacity even
under fully wet condition compared to conventional concrete piles.
The heave of model footings provided with granular anchor piles
decreased by about 73-93% while for footings provided with
conventional concrete piles the heave value is decreased by 40 -
75%. It is felt from this study that the above technique of anchor
piled footings can be an effective alternative to conventional pile
foundations in expansive soils.
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