Foundation Response to Soil Transmitted Loadsby Satya Narayan Varadhi, (A.M.ASCE), Geotechnical Engr.; Sargent & Lundy Engrs., Chicago, Ill.,
Surendra K. Saxena, (M.ASCE), Assoc. Prof.; Civ. Engrg. Dept., Illinois Inst. of Tech., Chicago, Ill.,
Serial Information: Journal of the Geotechnical Engineering Division, 1980, Vol. 106, Issue 10, Pg. 1121-1139
Document Type: Journal Paper
Circular footings resting on the surface and also at different depths of embedment were studied. Vertical transient loads were transmitted to the footings through the underlying soil mass by mechanically induced ground motions. The peak dynamic vertical stress intensity in the vicinity of a surface footing on the axis of symmetry is higher than the static bearing pressure of the footing. The influence of footing mass on the peak dynamic vertical stress distribution was negligible at a depth more than two footing diameters below the footing. At a distance of one and one-half times the diameter of the footing from the axis of symmetry, the effect of footing mass on the peak dynamic vertical stress distribution is negligible. Peak deceleration amplitude of the footing decreases with the depth of embedment.
Subject Headings: Foundations | Footings | Vertical loads | Load factors | Stress distribution | Symmetry | Ground motion | Transient loads | Embedment
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