N II .
≤ , (4.9)
0 = N II II ;
ρ = ;
= 0,8 ( ).
:
= 1 ;
b = 3 ;
= 6 ;
d = 1,5 ;
ε = +10.
:
, γ = 18 ;
φ = 28;
δ= 1;
= + 8.
():
γ = 21,0 ;
= 0,16;
γs = 27,5 ;
= 0,33;
= 0,15.
q = 40 .
. , , ( ) , .
:
γ d = = = 18,1 ;
n = 1 = 1 = 0,342;
= = = 0,519;
IL = = = 0,05;
= = 0,33 0,15 = 0,18.
( . 1) , (. 2) . . 5 R 0 = 500 .
:
R = 1,7 { R 0 × [1 + k 1 (b 2)] + k 2 × γ (d 3)},
k 1 = 0,04 k 2 = 2,0 . 7;
R = 1,7 { 500 [1 + 0,04 × (3 2)] + 2,0 × 18 × (1,5 3)} = 884 .
2 × 18 × ( 1,5 3) , d < 3,0 .
,
,
γ w , ;
. 3, 4 , R 0 (. 6).
q = 40 :
|
|
= = = 2,22 .
:
= ;
= = = 0,169;
= = 0,477.
.
:
1 = γ . h . = 18 . 2,22 . 0,477 = 19,06
2 = γ . ( h + ) . = 18(2,22 + 6) . 0,477 = 70,58
= = . 6 = 268,9 .
:
1= 1 . cos () = 19,06 . cos (10 + 1)0 = 18,71
2= 2 . cos () = 70,58 . cos (10 + 1)0 = 70,57
1= 1 . sin () = 19,06 . sin (10 + 1)0 = 3,64
2= 2 . sin () = 70,58 . sin (10+1)0 = 13,47 .
= = 6 = 267,8 ;
= = 6 = 51,3 .
= γ . d . tg2 (45 + )o = 18 . 1,5 . tg2 (45 + = 74,78
, ,
= = = 56,1 .
, 3,
= 0,33 . 56,1 = 18,5 .
. 6.