.1 : j . .
.2 .
l : 1 - l 1 + l 2; 2 - b; 3 - ( .1).
(. 2011 .)
. 1 -
Fd
Fd = gc (F 1 + F 2 + F 3), (.1)
gc - , 1;
F 1 - l 0 + l 2, ; l 0 - 0 12 d, 6 , - , l 0, ;
F 2 - , ;
F 3 - , .
A 1= u [ l 0(0,5 xgl 0tg j + ) + (xgl 0tg j + ) l 2], (.2)
- , ;
x - , 0,5;
j - , .;
- , /2;
l 2 - , ,
l 2 = l + d /2 - l 0 - b - a, (.3)
l - , ;
d - , ;
l 0 = l 1 - , , (.4)
l 1 - l 2, ;
b = d /2 - (ctga - l)ctg j, ; (.5)
a - , 0, a = 2,5 , a = 1,0 ;
a = 45- j - xc, ., (.6)
= / 0, ×2/; = 1;
0 - , 5 /2; = 0,2.
(.6) j + < 45.
l 2 j , l 2
F 1
(.7)
- .
l 1 = l 0 + 6 j , 3 .
F 2 = p ctg j ( + d) , , (.8)
(E.9)
(.10)
(E.11)
(E.12)
(E.13)
s 3 = xgl 0, /2, (.14)
g - , /3.
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j, , g . , ,
(.15)
- ;
gw - , 10 /3;
gs - , /3;
Wp, WL - , .
, , . , ,
Fd = gc (F 1 + F 2 ), H, (.16)
gc - , (.1);
F 1 - l 0 + l, (.2),
l = l - l 0 - , , (.17)
l 0 - , ;
- , 1 ;
F 2 -
F 2 = s 1 A, , (.18)
- 1 ³ d ³ 0,5 , 3;
- , 2;
s 1 - (.13).
.
Fdy = gc (F 1 + F 2 ), H, (.19)
gc - , (.16);
F 1 - l 0 + l, (.2),
l = l - - l 0, , (.20)
l - ;
l 0 , .
F 2 = s 1 A, , (.21)
- , 2 3,5 ³ d / d ³ 2 1 ³ d ³ 0,5 , 20 ;
dy - , ;
s 1 - (.3);
- , 2.
.3 II
(.22)
N - , , ;
Fd - , , .5;
gk - ;
g - , 9.10;
n - , .4.
1 n , , ( ).
2 N + n.
.4 , , , hsl, . , - . Ssl ( ) h ( ) ( .2).
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. 2 - Ssl = f (h)
i - ,
(E.23)
ε sl , i - , i - , , ;
hi - i - , ;
- , , .
hsl
(.24)
Su - , 22.13330.
(. 2011 .)
hsl Su Ssl = f (h) ( .2).
hsl
(.25)
k - , , , 0,5;
- hsl, (.2), - (.7). l 2 £ hsl l 0 - ( .1).
, - hsl.
(.26)
N - , , ;
n - , ;
Fd - , (.1) , .
(.26) , , .
.5 Fd, , II , , .2, .3 .4 .
. .
.6 II .
, , , , .
e ³ 0,03, (.27)
e - .
.
()