, . (. 6.5) , . (. . 6.6) . . 8.5 .
. 8.5. () (, , )
σ1 σ3 = 0 q .
() (. . 8.5,), z ,
(8.18)
:
(8.19)
(8.20)
, , :
(8.21)
, (8.19) (8.20) (8.21), , :
(8.22)
(8.22) , (. . 8.5,), . z α.
(8.22) z, :
(8.23)
α , zmax, :
(8.24)
(8.24) , z = zmax, cosα = sinφ α = π/2-φ
(8.25)
, (8.25) (8.24), (zmax) :
(8.26)
= r , zm:
(8.27)
, , .. zmax = 0,
(8.28)
. (8.28) ( = 0) .. (1923) , , . , , , , .
21. 2.02.01-83*
P=π(γh+c*ctgφ)/(ctgφ- π/2+φ) + γh z=0. , zmax=b/4. :
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R=Mγ *b*γ2 +Mq*γ2*d + Mc*c2 Mγ, Mq, Mc , γ- H=d, z=b/4