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ANEXA 1 - DIMENSIONAREA PANELOR

Calculul panelor conform Eurocod 3 - 200 !" Eurocod # - 200$

1) Caracteristici geometrice IPE220:

hw 201.6mm:=

tw 5.9mm:=

b 110mm:=

tf 9.2mm:=

h hw tf+ 210.8 mm=:=

fy 235

mm2

:= re!iste"ta mi"ima #a c$rgere a ote#$#$i

E 210000

mm2

:= %0 1:= coeficie"t &artia# 'e sig$ra"ta

( 81000

mm2

:=

%1 1:= coeficie"t &artia# 'e sig$ra"ta

235

mm2

fy

1=:=

hw tw 2 b tf+ 3.213 103

mm2

=:=ria secti$"ii

* hw tw 1.189 103

mm2

=:= ria i"imii

Iy

hw3

tw

12

2 b tf3

12+ 2 b tf

hw tf+

2

2

+ 2.653 10+

mm,

=:= %ome"t$# 'e i"ertie '$&a y-y

iy

Iy

90.858 mm=:= ra!a 'e giratie '$&a y-y

y

Iy

0.5 hw tf+2.,12 10

5 mm

3=:= %o'$#$# e#astic 'e re!iste"ta '$&a

y-y

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&y b tfhw tf+

2

2

hw

2tw

hw

, 2+ 2.+33 10

5 mm

3=:= %o'$#$# astic 'e re!iste"ta '$&a

y-y

I!

hw tw3

12 2

b3

tf

12+ 2.0,, 10

6

mm

,

=:=mome"t$# 'e i"ertie '$&a !-!

ra!a 'e giratie '$&a !-!i!

I!

25.223 mm=:=

%o'$#$# e#astic 'e re!iste"ta '$&a

!-!!

I!

0.5 b3.+1+ 10

, mm

3=:=

&! 2b

2tf

,

hw tw2

,+ 5.+,1 10

, mm

3=:= %o'$#$# astic 'e re!iste"ta '$&a

!-!

It1

3

hw tw3

2 b tf3

+ +.091 10,

mm,

=:= %ome"t$# 'e i"ertie #a torsi$"e sima

%ome"t 'e i"ertie sectoria#Iw I!

h2

, 2.2+1 10

10 mm

6=:=

Efort$ri#e 'e ca#c$#:

e' 1/:= e' 60/:= %e' 50/ m:=

2) etermi"area c#asei 'e secti$"i:

-*erificarea ta#&ii :

cb tw

252.05 mm=:=

c

tf

5.658= 9 9=c

tf

9 < o/

ta#&a are c#asa 1 'e secti$"e

-*erificarea i"imii:

!e' Iy

%e' 0.165 mm=:=

! 0.5 hw+

hw0.501=:= mi" 10, ) 0.501=

hw

tw

3,.169=,56

13 182.+,9= hw

tw

,56

16 1