Standard Analysis
By default, the solution based on J. Brinch - Hansen theory is used, where the bearing capacity of foundation soil is:
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where:
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bearing capacity factors: | |
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shape factors: | |
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depth factors: | |
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inclination factors: | |
base factors: | |
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ground factors: | |
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Notation of angles and coefficients b,g
where: | c | - | cohesion of soil |
q0 | - | equivalent uniform load accounting for the influence of foundation depth | |
d | - | depth of footing bottom | |
γ | - | unit weight of soil above the footing bottom | |
b | - | width of foundation | |
γ | - | unit weight of soil | |
Nc,Nd,Nb | - | coefficient of bearing capacity | |
sc,sd,sb | - | coefficients of shape of foundation | |
dc,dd,db | - | coefficients of influence of foundation depth | |
ic,id,ib | - | coefficients of influence of slope of load | |
gc,gd,gb | - | coefficients of influence of slope of terrain | |
φ | - | angle of internal friction of soil | |
l | - | length of foundation | |
δ | - | angle of deviation of the resultant force from the vertical direction | |
β | - | slope of terrain | |
α | - | slope of footing bottom |