46
1. .
1.1. . . () F = 1000 2.
1.2 . = 0,04 ∙-2∙-1. (. ) [3] tP = 340.
2. .
F = 1000 2.
3. .. 7.2 7.3 [1] .
4. Fq, (.27) [1]:
d = = 35,7 ,
= 42∙35,7∙()0,61 = 32,4 ,
∙-3,
h =
S =
B =
A =
=
= 0,3185∙ =
= 0,2892,
=
= 0,3185∙ = 0,6171,
Fq =
5. t (.34) [1]:
=0,9915.
6. q (.24) [1]:
q = Ef∙Fq∙t = 40∙0,3340∙0,9915 = 13,25 ∙-2,
Ef = 40 ∙-2 ( . .1 [1]).
7. c 4 ∙-2 30 , , .7.3 . 2 [1] .
47
1. .
1.1. . . () F = 200 2.
1.2 . = 0,04 ∙-2∙-1. (. -) [3] tP = 330c.
2. .
F = 200 2.
3. .. 7.2 7.3 [1] .
4. Fq, (.27) [1]:
d = = 16 ,
= 42∙16∙()0,61 = 18,5 ,
∙-3,
h =
S =
B =
A =
=
= 0,3185∙ = 0,1498,
=
= 0,3185∙ = 0,3185∙[0,9203-0,8162] = 0,0332,
Fq =
5. t (.34) [1]:
=0,9847.
6. q (.24) [1]:
q = f∙Fq∙t = 40∙0,1534∙0,9847 = 6,04 ∙-2,
Ef = 40 ∙-2 ( . .1 [1]).
7. 4 ∙-2 30 , , .7.3 . 2 [1] .
|
|
48
1. 47. F = 50 2.
2. Fq, (.27) [1]:
d = = 8 ,
= 42∙8∙()0,61 = 11,4 ,
h =
S =
B =
A =
=
= 0,3185∙ =
=0,0323,
=
= 0,3185∙ = 0,3185∙[0,8520-0,8314] = 0,0066,
Fq =
3. t (.34) [1]:
=0,9820.
4. q (.24) [1]:
q = f∙Fq∙t = 40∙0,033∙0,9820 = 1,3 ∙-2,
Ef = 40 ∙-2 ( . .1 [1]).
7. c 4 ∙-2 30 , , .7.3 . 2 [1] .
1. 12.13130.2009. , . .: , 2009. 27 . 1 12.13130.2009, 9.12.2010 . 643 1.02.2011 .
2. : . .: 2 /.. , .. , .. . .: , 1990. 496 ., 384 .
3. 2.01.01-82. . .: , 1983. 136 .
4. 2.04.05-91*. , / . .: , 1994. 66 .
5. -85. / . .: , 1986. 648 .
6. , 10.07.2009 . 404. , 14.12.2010 . 649.
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