Torsional Stiffness of Embedded Footings

by Movses J. Kaldjian, (M.ASCE), Asst. Prof.; Dept. of Civ. Engrg., Univ. of Michigan, Ann Arbor, MI,

Serial Information: Journal of the Soil Mechanics and Foundations Division, 1971, Vol. 97, Issue 7, Pg. 969-980

Document Type: Journal Paper


Numerical values of torsional spring constants with corresponding stress and displacement distribution are obtained for circular footings for various embedment. The presence of rigid discs (thin rock layer), and voids (loose soil pockets), below the surface are considered, and torsional stiffnesses are obtained. The stress distribution around a footing boundary is considered in the elastic range. The method of solution is equally applicable for finding the spring constants of rocking about a horizontal axis in circular footings.

Subject Headings: Stress distribution | Torsion | Stiffening | Footings | Numerical methods | Displacement (mechanics) | Embedment | Rocks

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