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TNH TON KIM TRA I CC

1. Cc thng s tnh ton

S lng cc: n = 8

Sc chu ti ca mi cc: [P] = 240 T

hi!u ca" #$i cc: % = &'00 mm

()ch th*c #$i cc: +4,0 mm

+4,0 mm

Ti t-ng .h/ thm: &0 T

Ti t-ng .h/ thm 1" #$i cc: ,2+3 T

2. K!" t#$ t% t#&ng '() c&c

Phn lc ch5n c6t

K *OINT T+ h,- N T/

&70,8 2+ 9& &,&&,+ 73,8 '&&3

&8840 2+ 92 9;< &48+04 272,+ 2378

&832+ 2+ 92 9> &4827+ &7+3 ?03,7

&8'7, 2+ 9+ 9;< &4828& ?02,2 &274,

&834& 2+ 9+ 9> &4823 ?&0&+, 7+88

20+0' 2+ 94 9;< &4828+ &8740' +&+3

&744& 2+ 94 9> &48234 783+7 023+

&74&& 2+ 9, 9;< &48+ ?37'2& &&7&4

20204 2+ 9, 9> &4827& ?&30288 7047

&34+& 2+ 9' 9;< &287&8 &&3,,' &78&+

&3&+' 2+ 9' 9> &28828 ?&0078, ?872+

&8040 2+ 93 9;< &28703 &8,778 &8,&8

&3343 2+ 93 9> &288+7 ?&'7423 ?3'28

T)nh t"@n ch" t-Ang h. ti t-ng nguB hiCm nhDt

K *OINT T+ h,- N T/

20+0' 2+ 94 9;< &4828+ &8740' +&+3

E

FG=

FB=

>.t&

=

>.t2

=

M0T"/ M

T"/

M0T"/ M

T"/

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TT

& ?&+, ?&+, &82+ &82+ &'72, ?&'72, ?&&00&

2 0 ?&+, 0000 &82+ &'733 000 ?&&0+,

+ &+, ?&+, &82+ &82+ &3028 &3028 ?&&0'8

4 ?0'3, 0 04,' 0000 &7287 ?'2'7 000

, 0'3, 0 04,' 0000 &7+4& '28' 000

' ?&+, &+, &82+ &82+ 2&'02 ?2&'02 &404&

3 0 &+, 0000 &82+ 2&',+ 000 &403,

8 &+, &+, &82+ &82+ 2&30, 2&30, &4&08

820& &07+,

PmaG = 2&30, T H [P] = 240 T

3. Th4t 54 ct th6- cho '7 c&c

hi!u ca" l$m IiJc ca ct thK. #$i cc: &, m

()ch th*c tiLt 1iJn c6t: 03 m

&4 m

t thK. nhMm: ;? +',00

3.1. Tnh ton ct th6- cho '7 c&c th8o -h9:ng ;

9N mOn t)nh t"@n: 4,02 Tm

?4480 Tm

4,02 Tm

iJn t)ch ct thK. Bu cEu: 7&4

t-) ct thK.: 2, a = &3,

iJn t)ch ct thK. thiLt QL: 7++

0"/

"/ 0

2"/

2"/ *

M

0M

h"=

G=

B=

R= Tm2

9G&

=

9G2

=

9G=

;UBc

= cm2

=

;UtQ= cm2

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>hMm

;? 280

;? +',

;?V ,&0

RW9PaX

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St"-B P"int F"a1 Y< YZ Y 9< 9Z;S\ 2+ 9& +2& ?&'4 &,&&,+ 73,8 '&&3;S\ 2+ 92 9 2+& ?+8, &48+04 272,+ 2378;S\ 2+ 92 9 &4 ?,78 &4827+ &7+3 ?03,7;S\ 2+ 9+ 9 ,0' 23' &4828& ?02,2 &274,;S\ 2+ 9+ 9 4&, 0'+ &4823 ?&0&+, 7+88

;S\ 2+ 94 9 24, ?22,, &4828+ &8740' +&+3;S\ 2+ 94 9 &32 ?422, &48234 783+7 023+;S\ 2+ 9, 9 434 +70+ &48+ ?37'2& &&7&4;S\ 2+ 9, 9 40& &7++ &4827& ?&30288 7047;S\ 2+ 9' 9 '3+ 240, &287&8 &&3,,' &78&+;S\ 2+ 9' 9 ?083 ?2'83 &28828 ?&0078, ?872+;S\ 2+ 93 9 '+4 +873 &28703 &8,778 &8,&8;S\ 2+ 93 9 ?048 ?4&37 &288+7 ?&'7423 ?3'28

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6/6

9?0&44027200'8

?0+,4?0,38

2,4,&20,?&47&?28+&

22&?24'4+083?++4