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CTE DB SE-C

The solution is based on Spanish standard CTE DB SE-C, where the bearing capacity of foundation soil is given by the formula:

where:

bearing capacity factors:

for:

for:

depth factors:

for:

for:

for:

shape factors:

inclination factors:

for:

for:

for:

ground factors:

for:

where:

c

-

cohesion of soil

q0

-

equivalent uniform load accounting for the influence of foundation depth

d

-

depth of the footing bottom

γ1

-

unit weight of soil above the footing bottom

bef

-

effective width of foundation

γ

-

unit weight of soil

Nc, Nq, Nγ

-

bearing capacity factors

dc, dq, dγ

-

depth factors

sc, sq, sγ

-

shape factors

ic, iq, iγ

-

inclination factors

tc, tq, tγ

-

ground factors

φ

-

angle of internal friction of soil

lef

-

effective length of the foundation

δB

-

angle of deviation of the resultant force from the vertical in foundation width direction

δL

-

angle of deviation of the resultant force from the vertical in the foundation length direction

H

-

horizontal component of the resultant load

HB

-

horizontal component of the resultant load in the foundation width direction

HL

-

horizontal component of resultant load in the foundation length direction

V

-

vertical component of the resultant load

β

-

slope of the terrain

Literature: CTE DB SE-C

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