Bored Pile Groups under Vertical Load in Sand

by Krishan G. Garg, Scientist; Central Building Research Inst., Roorkee, U.P. India,

Serial Information: Journal of the Geotechnical Engineering Division, 1979, Vol. 105, Issue 8, Pg. 939-956

Document Type: Journal Paper


The results of field tests of bored underreamed pile groups under sustained vertical loads are presented, along with an empirical approach for estimating group efficiencies and load-displacement characteristics of pile groups from the known behaviour of single piles. The effectiveness of available methods for estimating group settlements are compared, resulting in a conservative estimate.

Subject Headings: Vertical loads | Bored piles | Pile groups | Load factors | Sandy soils | Load tests | Pile tests | Empirical equations

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