" "
3- Ի
1. . .
2. () .
3. .
,
P= 100 , a = 1
F = 10 2, dT = - 20 K-1 ,
α = 12.10-5 K-1, = 1.105
.
.0.. ..
Ȼ
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1
" "
3- Ի
1. .
2. .
.
3. .
,
L ,
= 10 , h = 5 , b = 10 L = 1 .
.0.. ..
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2
" "
3- Ի
1.
.
2. ..
3. .
,
L ,
= 10 , h = 5 , b = 10 L = 1 .
.0.. ..
Ȼ
---------------------------------------------------------------------------------------------------------------------
3
" "
3- Ի
1. .
2.
.
4.
|
,
q = P/a; M = Pa.
.0.. ..
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---------------------------------------------------------------------------------------------------------------------
|
|
4
" "
3- Ի
1.
.
2. . .
.
.
3. .
γ.
,
γ = 0,1 /3, D = 2 , = 4 , h = 2
.0.. ..
Ȼ
---------------------------------------------------------------------------------------------------------------------
5
" "
3- Ի
1. .
.
2.
|
.
3. .
,
α, P = 2qa.
.0.. ..
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---------------------------------------------------------------------------------------------------------------------
6
" "
3- Ի
1.
..
2.
|
.
3. .
,
α, P = 2qa.
.0.. ..
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7
" "
3- Ի
1.
. .
.
2. .
3. .
n
, E = 105 ,
σmax = 200 , σmin = 100 , α = 30 .
|
|
.0.. ..
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8
" "
3- Ի
1. . .
.
2.
.
4. .
,
G.
.0.. ..
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9
" "
3- Ի
1. .
.
2.
.
3. .
.
δ
.
σx, σy, σz
εx, εy εz ,
.
.0.. ..
--------------------------------------------------------------------------------
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