SKRIPTA RIJEÅ ENIH ZADATAKA IZ OTPORNOSTI MATERIJALA

77
( ) ( )
( ) ( )
( )
( )
T
T
y
y
I
T
dy
t
y
t
I
T
T
mm
S
t
y
t
I
T
S
S
t
I
T
b
I
S
T
T
T
z
z
I
t
T
dz
z
z
I
t
T
dz
t
z
z
I
T
T
z
z
I
T
z
t
z
t
I
T
b
I
S
T
mm
I
I
y
y
y
y
y
y
y
y
y
xy
y
y
y
y
y
y
y
xz
y
y
⋅
=
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=
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∫
∫
∫
184
,
0
2
149
5
,
1672
149
5
,
1672
5
,
1672
2
/
15
8
,
14
15
5
8
,
29
5
,
1672
0324
,
0
6
2
8
,
14
2
8
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14
2
8
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14
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8
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14
2
8
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14
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4364
,
3
2
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14
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5
12
8
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29
5
20
12
5
20
5
,
7
8
,
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15
5
12
15
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2
2
2
20
0
2
2
2
2
20
0
2
2
3
1
2
2
1
2
2
1
15
0
3
1
2
1
15
0
1
2
1
1
1
2
1
1
15
0
1
2
1
1
1
1
1
1
4
5
2
3
2
3
2
3
τ
τ
( )
( ) ( )
mm
e
T
T
T
e
T
T
T
T
e
T
T
T
z
z
z
I
T
dz
t
z
z
t
I
T
T
mm
S
z
z
t
I
T
z
t
z
t
I
T
S
S
S
t
I
T
b
I
S
T
y
y
y
y
y
y
y
y
y
y
y
xz
16
,
1
244
,
0
2
72
,
31
184
,
0
6
,
59
0324
,
0
44
,
103
25
cos
35
2
8
,
29
2
25
cos
35
20
2
244
,
0
6
5
2
149
5
,
4652
2
5
149
5
,
4652
2980
8
,
29
20
5
2
5
149
5
,
4652
2
8
,
29
2980
5
,
1672
3
2
1
3
15
0
3
3
2
3
3
3
2
3
3
15
0
3
3
2
2
3
3
3
3
3
2
1
3
3
−
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−
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+
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=
+
+
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=
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=
∫
τ