Anchor Piled Footings – An Alternative Foundation Technique in Expansive Soils

Abstract

A search for alternative foundation systems inexpansive soils has been continued since their problems wererecognized all over the world. Despite the availability of a goodnumber of remedial techniques, their adoptability andeffectiveness under varied geographical and climatic conditionshave remained questionable. The present paper discusses the fieldinvestigations on the recently promulgated technique of anchorpiled footings in expansive soils. These studies have revealed thatthe granular anchor piles exhibit promising pullout capacity evenunder fully wet condition compared to conventional concrete piles.The heave of model footings provided with granular anchor pilesdecreased by about 73-93% while for footings provided withconventional concrete piles the heave value is decreased by 40 -75%. It is felt from this study that the above technique of anchorpiled footings can be an effective alternative to conventional pilefoundations in expansive soils

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