Numerical study of group effects for pile groups in sands

Yang, Zhaohui; Jeremić, Boris

doi:10.1002/nag.321

Cited by 48 publications

(14 citation statements)

References 17 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Interface elements simulate interaction between the soil and structural elements, which includes behavior such as stick or no slip mode, slip or sliding mode, and separation or debonding mode (Muqtadir and Desai 1986;Elgamal et al 2003;Yang and Jeremic 2003;Petek 2006;Lam et al 2009). The pile-soil interface (usually a thin layer in size)…”

Section: Finite Element Methods Of Analysismentioning

confidence: 99%

Reducing Seismic Risk to Highway Mobility: Assessment and Design Examples for Pile Foundations Affected by Lateral Spreading

Ashford¹,

Scott²,

Rayamajhi³

2013

View full text Add to dashboard Cite

Section: Finite Element Methods Of Analysismentioning

confidence: 99%

Reducing Seismic Risk to Highway Mobility: Assessment and Design Examples for Pile Foundations Affected by Lateral Spreading

Ashford¹,

Scott²,

Rayamajhi³

2013

View full text Add to dashboard Cite

“…The characteristic, however, is captured neither by the FEM 3D analysis [35] nor by the p mbased analysis. (3) The M max in an LR pile is more likely to reach structural limit prior to mobilizing slip along the whole embedment.…”

Section: Case Iii: In Situ Full Scale Tests On Piles In Clay [27]mentioning

confidence: 99%

Nonlinear response of laterally loaded piles and pile groups

Guo

2008

Num Anal Meth Geomechanics

View full text Add to dashboard Cite

SUMMARYIn spite of extensive studies on laterally loaded piles carried out over years, none of them offers an expedite approach as to gaining the nonlinear response and its associated depth of mobilization of limiting force along each pile in a group. To serve such a need, elastic-plastic solutions for free-head, laterally loaded piles were developed recently by the author. They allow the response to be readily computed from elastic state right up to failure, by assigning a series of slip depths, and a limiting force profile. In this paper, equivalent solutions for fixed-head (FixH) single piles were developed. They are subsequently extended to cater for response of pile groups by incorporating p-multipliers.The newly established solutions were substantiated by existing numerical solutions for piles and pile groups. They offer satisfactory prediction of the nonlinear response of all the 6 single piles and 24 pile groups investigated so far after properly considering the impact of semi-FixH restraints. They also offer the extent to ultimate state of pile groups via the evaluated slip depths. The study allows ad hoc guidelines to be established for determining input parameters for the solutions. The solutions are tailored for routine prediction of the nonlinear interaction of laterally loaded FixH piles and capped pile groups.

show abstract

“…Wakai et al (1999) studied the behavior of free-and fixed-head 3×3 pile groups based on model tests. Yang and Jeremic (2003) simulated the response of 3×3 and 4×3 pile groups in loose and medium dense sands and investigated the interaction effects for large pile groups.…”

Section: Introductionmentioning

confidence: 99%

Lateral Load on a Large Pile Group: A 3D Finite Element Model

Ning

Elgamal

2013

Iacge 2013

View full text Add to dashboard Cite

Practice shows that the analysis of laterally loaded pile foundations is critically important. For years, numerous experimental, theoretical and numerical investigations have been conducted to predict the behavior of such systems. In this paper, we are describing a computational study to investigate large pile-ground system response under lateral load based on 3 dimensional (3D) OpenSees finite element modeling. Primarily, pile group behavior in nonlinear soil with and without a tensioncutoff logic is discussed. Distribution of load within the pile group is analyzed and the group interaction effects are examined. A robust and versatile framework (OpenSeesPL, http://cyclic.ucsd.edu/openseespl/) for computational analysis of pileground systems is employed to facilitate the pre-and post-processing phases. Further validation and calibration of the analysis framework may be conducted with the aid of case histories and experimental data.

show abstract

Numerical study of group effects for pile groups in sands

Cited by 48 publications

References 17 publications

Reducing Seismic Risk to Highway Mobility: Assessment and Design Examples for Pile Foundations Affected by Lateral Spreading

Reducing Seismic Risk to Highway Mobility: Assessment and Design Examples for Pile Foundations Affected by Lateral Spreading

Nonlinear response of laterally loaded piles and pile groups

Lateral Load on a Large Pile Group: A 3D Finite Element Model

Contact Info

Product

Resources

About