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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

b_ef

-

effective width of foundation

γ

-

unit weight of soil

N_c, N_q, N_γ

-

bearing capacity factors

d_c, d_q, d_γ

-

depth factors

s_c, s_q, s_γ

-

shape factors

i_c, i_q, i_γ

-

inclination factors

t_c, t_q, t_γ

-

ground factors

φ

-

angle of internal friction of soil

l_ef

-

effective length of the foundation

δ_B

-

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

δ_L

-

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

H

-

horizontal component of the resultant load

H_B

-

horizontal component of the resultant load in the foundation width direction

H_L

-

horizontal component of resultant load in the foundation length direction

V

-

vertical component of the resultant load

β

-

slope of the terrain