Centrifugal Modeling of Bearing Capacity of Shallow Foundations on Sands

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Abstract
The study of shallow footings under plane-strain conditions became important when many researchers reported the lack of agreement between theoretical and experimental findings. A better understanding of the behavior of granular material under different stress levels and strain conditions encouraged further research in this field. In order to understand the behavior of footings and study the differences between theoretical and experimental observations, an experimental program was devised taking into account some factors that affect the theoretical assumptions. In this paper, the centrifuge has been utilized to study the effects of load eccentricity, load inclination, and initial burial on the bearing capacity of shallow strip footings on a dense sand. Fine silica sand, F-75 in a dense state with a relative density of 88%, was used. A plane-strain condition was obtained by testing three adjacent footings of the same width along one line. Footings were loaded with a stiff mechanism to give uniform displacem...

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