Assessment of the axial load response of an H pile driven in multilayered soil

Hoyoung Seo, Irem Zeynep Yildirim, Monica Prezzi

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

Most of the current design methods for driven piles were developed for closed-ended pipe piles driven in either pure clay or clean sand. These methods are sometimes used for H piles as well, even though the axial load response of H piles is different from that of pipe piles. Furthermore, in reality, soil profiles often consist of multiple layers of soils that may contain sand, clay, silt or a mixture of these three particle sizes. Therefore, accurate prediction of the ultimate bearing capacity of H piles driven in a mixed soil is very challenging. In addition, although results of well documented load tests on pipe piles are available, the literature contains limited information on the design of H piles. Most of the current design methods for driven piles do not provide specific recommendations for H piles. In order to evaluate the static load response of an H pile, fully instrumented axial load tests were performed on an H pile (HP 310×110) driven into a multilayered soil profile consisting of soils composed of various amounts of clay, silt sand. The base of the H pile was embedded in a very dense nonplastic silt layer overlying a clay layer. This paper presents the results of the laboratory tests performed to characterize the soil profile of the pile load tests. It also compares the measured pile resistances with those predicted with soil property- in situ test-based methods.

Original languageEnglish
Article number008912QGT
Pages (from-to)1789-1804
Number of pages16
JournalJournal of Geotechnical and Geoenvironmental Engineering
Volume135
Issue number12
DOIs
StatePublished - Dec 2010

Keywords

  • Axial loads
  • In situ tests
  • Layered soils
  • Load bearing capacity
  • Load tests
  • Pile driving
  • Piles
  • Soil properties

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