Static and Dynamic Analysis of Pile Foundations

by William E. Saul,

Serial Information: Journal of the Structural Division, 1968, Vol. 94, Issue 5, Pg. 1077-1100

Document Type: Journal Paper

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Analysis of pile foundations is accomplished by calculation of the stiffness influence coefficients. Piling loads and deflections can be determined, as well as the principal frequencies. Axial and torsional elastic constants for a pile may be adjusted to the physical problem; the torsional constant has negligible effect and may usually be neglected. The elastic constants dependent on bending may be derived in several ways including tests or physical models based on an assumed behavior of the system such as: a semi-infinite beam on an elastic foundation, a free cantilever fixed at an assumed depth, or as a free cantilever fixed to a semi-infinite beam on an elastic foundation. The stiffness influence coefficients may be formed from simple matrices defining elastic constants and position or from a list of equations.

Subject Headings: Pile foundations | Dynamic structural analysis | Elastic analysis | Static structural analysis | Elastic foundations | Torsion | Stiffening | Model tests | Cantilevers

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