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This paper develops an approximate expression for the torsional stiffness of a rigid cylindrical pier embedded in an isotropic elastic soil mass. The approximate solution is derived by considering the torsion of a hemispheroidal rigid inclusion embedded in bonded contact with an clastic medium. The expression for the torsional stiffness of the pier is expressed as a function of its length to diameter aspect ratio.
torsion, lateral forces, piles, embedded piers, embedded piles, torsional stiffness, isolated piles, torsional loading, elastic stiffness of piers
Professor and chairman of civil engineering, Carleton University, Ottawa, Ontario