Evaluation of undrained bearing capacities of skirted foundations

Moura Mehravar, Ouahid Harireche, Asaad Faramarzi

Research output: Chapter in Book/Published conference outputConference publication


Investigating the response of skirted foundations to uniaxial vertical, horizontal and moment loading as well as under the combinations of these loads is key feature in their designing procedure. Naturally the offshore loads take place under undrained conditions and the short term response of a foundation in undrained soil is most critical. Therefore investigating the foundation response in undrained condition is conservative. In this paper, a series of three-dimensional finite element analyses are performed to investigate the response of skirted foundations in undrained uniform soil under uniaxial vertical and horizontal loads. Uniaxial ultimate vertical and maximum horizontal bearing capacities are presented for different embedment ratios “0 ≤ L/D ≤ 1”, where L is the embedment length and D is the caisson diameter. The maximum horizontal capacity corresponds to purely horizontal translation where the rotation degree of freedom is constrained. The results show a growing trend for uniaxial bearing capacities with an increasing embedment ratio; however this increasing trend dropped for roughly L/D ≥ 0.6. Moreover, the accuracy of the obtained results is validated by comparing the uniaxial bearing capacity factors with other published data.
Original languageEnglish
Title of host publicationProceedings of the 23rd Conference on Computational Mechanics, ACME-UK 2015
EditorsAntonio J. Gil, Rubén Sevilla
Number of pages4
Publication statusPublished - 2015
Event23rd Conference on Computational Mechanics - Swansea, United Kingdom
Duration: 8 Apr 201510 Apr 2015


Conference23rd Conference on Computational Mechanics
Abbreviated titleACME-UK 2015
Country/TerritoryUnited Kingdom


  • Skirted foundation
  • Bearing capacity
  • Undrained loading
  • Three-dimensional finite element analysis


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