Settlement of footings on granular materials: Low and large strain parameters

F. Ahtchi-Ali*, J. C. Santamarina

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Many methods have been proposed to predict the settlement of shallow foundations on granular soils. The analysis of more than 200 case histories shows that there is no correlation between penetration testing and back-calculated soil deformation moduli, and the settlements are most often overpredicted for large footings (more than 3 m in width), and underpredicted in the case of small footings. Experimental data found in the literature are used to tabulate the effect of soil and in situ parameters on low and large strain soil moduli and in situ tests. The combined use of penetration testing and wave propagation is concluded from this analysis, and experimentally tested. Buried plates were included for the evaluation of mid-strain deformation modulus. It is shown that the correlation of deformation modulus with cone resistance is dependent on relative settlement, and that the best correlation is obtained by normalizing measurements with respect to G-max, determined with shear waves polarized in the vertical plane. The experimental study includes the testing of model footings.

Original languageEnglish (US)
Title of host publicationGeotechnical Special Publication
EditorsAlbert T. Yeung, Guy Y. Felio
PublisherPubl by ASCE
Pages1287-1297
Number of pages11
Volume2
Edition40
ISBN (Print)078440027X
StatePublished - 1994
Externally publishedYes
EventProceedings of the Conference on Vertical and Horizontal Deformations of Foundations and Embankments. Part 2 (of 2) - College Station, TX, USA
Duration: Jun 16 1994Jun 18 1994

Other

OtherProceedings of the Conference on Vertical and Horizontal Deformations of Foundations and Embankments. Part 2 (of 2)
CityCollege Station, TX, USA
Period06/16/9406/18/94

ASJC Scopus subject areas

  • Architecture
  • Civil and Structural Engineering
  • Building and Construction
  • Geotechnical Engineering and Engineering Geology

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