DEFORMATIONS OF PILE SUPPORTED STRUCTURES

This paper describes a procedure which is suited to the analysis of complex structural systems which are pile supported and which react to loads in a non-linear manner. The method is based on an incremental stiffness approach, and is easily adapted to almost any geometry and loading. The substructure is assumed to be either bearing or friction piling, which can be free-standing. The pile cross-section can be either circular or "H" shaped, although, with certain modifications, other forms could be presumed. The response of the piling and associated superstructure can be either elastic or inelastic, and the subgrade reactions in both the horizontal and vertical directions can take on any linear or nonlinear form. Interaction between superstructure and substructure is through families of precalculated stiffness coefficients which are functions of moment, shear, and axial thrust. Several realistic examples are considered, and for each, overall load - deformational relationships are developed. These solutions are carried well into the inelastic range of material behavior.

• Supplemental Notes:
  • Abstract prepared by Texas A&M University.
• Corporate Authors:

  American Society of Civil Engineers

  345 East 47th Street
  New York, NY  United States  10017-2398
• Authors:
  • Prawel Jr, S P
  • Ketter, R L
• Conference:
  • Civil Engineering in Oceans Conf Proceedings (2nd)
• Publication Date: 1969-12

Media Info

• Pagination: p. 417-440

Subject/Index Terms

• TRT Terms: Offshore structures; Pile foundations; Stiffness matrix; Structural analysis; Structural mechanics; Support piles
• Uncontrolled Terms: Structural response
• Old TRIS Terms: Stiffness matrices
• Subject Areas: Bridges and other structures; Marine Transportation; Materials; Terminals and Facilities;

Filing Info

• Accession Number: 00050934
• Record Type: Publication
• Source Agency: National Maritime Research Center, Galveston
• Files: TRIS
• Created Date: Jan 31 1974 12:00AM