NUMERICAL ANALYSIS OF LATERALLY LOADED 3 X 3 TO 7 X 3 PILE GROUPS IN SANDS

The coupled bridge foundation-superstructure finite-element code FLPIER was employed to predict the lateral response of the single piles and 3-by-3 to 7-by-3 pile groups founded in both loose and medium dense sands. The p-multiplier factors suggested by McVay and colleagues (1996) for laterally loaded pile groups with multiple pile rows were implemented for the predictions. The soil parameters were obtained through a back-analysis procedure based on single pile test results. The latter, as well as the numerical predictions of both the single and group tests, are presented. It was found that the numerical code FLPIER did an excellent job of predicting the response of both the single piles and the 3-by-3 to 7-by-3 pile groups. The latter involved the predictions of lateral load versus lateral deflection of the group, the shears and bending moments developed in the individual piles, and the distributions of the lateral loads in each pile row, which were all in good agreement with the measured results.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/3519342
• Supplemental Notes:
  • The support of the Florida Department of Transportation, Tallahassee, Florida, under Contract #99700-7654-010 is acknowledged.
• Corporate Authors:

  American Society of Civil Engineers

  1801 Alexander Bell Drive
  Reston, VA  United States  20191-4400
• Authors:
  • Zhang, L
  • McVay, M C
  • Lai, P
• Publication Date: 1999-11

Language

• English

Media Info

• Features: Appendices; Figures; References;
• Pagination: p. 936-946
• Serial:
  • Journal of Geotechnical and Geoenvironmental Engineering
  • Volume: 125
  • Issue Number: 11
  • Publisher: American Society of Civil Engineers
  • ISSN: 1090-0241
  • Serial URL: http://ojps.aip.org/gto

Subject/Index Terms

• TRT Terms: Bending moments; Bridge foundations; Bridge superstructures; Finite element method; Numerical analysis; Pile foundations; Sand; Shear properties; Simulation; Soil structure interaction; Support piles
• Subject Areas: Bridges and other structures; Design; Geotechnology; Highways; I24: Design of Bridges and Retaining Walls; I42: Soil Mechanics;

Filing Info

• Accession Number: 00778232
• Record Type: Publication
• Contract Numbers: 99700-7654-010, UST 541/94E
• Files: TRIS
• Created Date: Nov 29 1999 12:00AM