The Bearing Capacity of Strip Footings in Cohesionless Soil Subject to Eccentric and Inclined Loads

Sven Krabbenhøft, Lars Damkilde, Kristian Krabbenhøft

Publikation: Bidrag til tidsskriftTidsskriftartikelpeer review

20 Citationer (Scopus)

Abstrakt

Lower bound calculations based on the finite element method is used to determine the bearing capacity of a strip foundation subjected to an inclined, eccentric load on cohesionless soil with varying surcharges and with friction angles 25, 30 and 35°. The soil is assumed perfectly plastic following the Mohr-Coulomb failure criterion. The results are reported as graphs showing the bearing capacity as a function of the friction angle, the eccentricity, inclination and the surcharge. The results have been compared with the Eurocode 7 and for smaller eccentricities, except in the case of no surcharge, the lower bound values are the greater, the discrepancy increasing with growing surcharge. Positive load inclinations has a negative effect for smaller eccentricities but may have a beneficial effect on the bearing capacity for greater eccentricities. Negative load inclinations have the opposite effect and especially for small friction angles and great surcharges the Eurocode values are considerably greater than the LB values.
OriginalsprogEngelsk
TidsskriftInternational Journal of Geomechanics
Vol/bind14
Udgave nummer3
ISSN1532-3641
DOI
StatusUdgivet - 2014

Emneord

  • Bearing Capacity
  • Footings
  • Cohesionless
  • Lower Bound
  • Eccentricity
  • Inclined Loads

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