Ngày tải lên :
06/11/2013, 04:15
...
22
nsnsns
xrZ +=
53, 8051 27,17 93 18 ,32 89 11,9615 6,1249 3, 233 2
ns
Z
U
CI
1
1
'
2
=
A 4,2156 8 ,34 53 12 ,37 49 18,9625 37 , 032 4 70,1 534
ns
ns
Z
r
=
'
2
cos
ϕ
0,99 93 0,9971 0,9 937 0,9851 0,9420 ... =1,1481
án tt nghip
3
-
mm 13, 8905
037 1
19, 03
1
a
h
r
=
+
=
+
=
ϕ
-
mm16, 43
2
2, 03, 20
19, 03
2
dd
ah
21
1
=
+
−=
+
−=
mm2 ,30 23
2
3, 20
13, 8905
16, 43
2, 03, 20
2,0
2
d
hh
h
dd
db
1
r1
1
21
2r
=
⎥
⎦
⎤
⎢
⎣
⎡
−
−
+=
⎥
⎦
⎤
⎢
⎣
⎡
⎟
⎠
⎞
⎜
⎝
⎛
−−
−
+=−
...
2
2
1
r
r1
2
1
hr
mm37,8201
2
3, 2
13, 8905
2
2 ,30 233 ,20
8
3, 20
3
d
h
2
bd
8
d
S
=
ì
+
+
ì
=
+
+=
1,27 73
37,8201
48 ,30 72
S
S
k
hr
td
R
===
5.1 in tr thanh dn khi tính n hiu...