The General Bearing Capacity Equationteymurb/fe1lecture5appendix.pdf · 1 The General Bearing...
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1 The General Bearing Capacity Equation • Meyerhof (1963)- take into account the shearing resistance along the failure surface in the soil above the bottom of the foundation. q u = c´N c F cs F cd F ci + qN q F qs F qd F qi + γBN γ F γs F γd F γi F cs, F qs, F γs : shape factors F cd, F qd, F γd : depth factors F ci, F qi, F γi : load inclination factors N c ,N q, N γ : bearing capacity factors Bearing Capacity Factors • Vesic (1973)
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The General Bearing CapacityEquation
• Meyerhof (1963)- take into account the shearingresistance along the failure surface in the soil abovethe bottom of the foundation.
qu = c´NcFcsFcdFci + qNqFqsFqdFqi +�
�γBNγFγsFγdFγi
Fcs,Fqs,Fγs : shape factors
Fcd,Fqd,Fγd : depth factors
Fci,Fqi,Fγi : load inclination factors
Nc, Nq , Nγ: bearing capacity factors
Bearing Capacity Factors
• Vesic (1973)
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Bearing Capacity Factors
Shape, Depth, Inclination Factors
• Shape - DeBeer (1970)
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Shape, Depth, Inclination Factors• Depth - Hansen (1970)
Shape, Depth, Inclination Factors• Depth - Hansen (1970)
� φ=0;
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Shape, Depth, Inclination Factors• Inclination – Meyerhof (1963); Hanna and
Meyerhof (1981)