Download - Metal Tema 2 Grinda Cu Inima Plina
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7/18/2019 Metal Tema 2 Grinda Cu Inima Plina
1/5
Dale George
III CCIA gr.I
Metal tema 2
Predimensionarea inimii
n 18:=
fy 235N
mm2
:= L 20000m:=
q 20kN
m0.5n 180
kN
m=:= fadm
L
40050 m=:=
MEdq L
28
103 kN=:=
!Edq L2
1.8 103 kN=:=
"ne#
MEd
fy
3.83 10$ mm3=:=
alegem %& 10m:=
'& 1.1"ne#
%&
2.153 103 m=:= alegem 1000mm '& 1000m:=
Cond(%(a de )*el%e%e a (n(m((
'&
%&
100 150+ ,1000
10100 *er(f(#a
Cond(%(a d(n for%a %a(e%oare
%&
!Ed
'&
fy
3
!Ed
'&
fy
3
13.2-$ m= *er(f(#a
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7/18/2019 Metal Tema 2 Grinda Cu Inima Plina
2/5
Predimensionare talpilor
Af
"ne#
'&
0.1- '& %& 3.-$ 104 mm2=:=
Alegem %f 30m:= %f %& 2mm+ %f 2 3+ ,%
f
Af
%f
1.223 103 m=:= alegem 500mm f 500m:=
!er(f(#am
# 15%f235
fy
450 #500mm 20mm
2240 m=:= *er(f(#a
f
1
3
1
5
' ' /
1000
3333.333= *er(f(#a
Incadrareain clasa de sectiuni
Talpa comprimata 1:=
#
%
245
308.1-$= 8.1-$ %ala #la)a 1
Inima incovoiata
#
%
1000
10100= 100 124 (n(ma #la)a 3
e#%(ne #la)a 3
Area: 40000.0
Perimeter: 4100.0
Bounding box: X: -250.0 -- 250.0
Y: -530.0 -- 530.0
Centroid: X: 0.0
Y: 0.0
Moments o inertia: X: !"#2333333.3
Y: $250!3333.3
Produ%t o inertia: XY: 0.0
&adii o g'ration: X: 4$!.!
Y: 125.0
Prin%i(a) moments and X-Y dire%tions about %entroid:
*: !"#2333333.3 a)ong +1.0 0.0,
: $250!3333.3 a)ong +0.0 1.0,
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7/18/2019 Metal Tema 2 Grinda Cu Inima Plina
3/5
Iy 8$2333333.3mm4:= I -25083333.3mm
4:= AG 40000mm2:=
ma 515m:= yma 100m:=
"ely
Iy
ma
1.$0$ 104
#m3
=:= "el
I
yma
-.251 103
#m3
=:=
Verificarearezistentei la incovoiere plana pura
MEd
M#.d
1.0 M#.d
"el.m(n fy
M0
en%r )e#%(n( (n #la)a 3
M0 1.00:= M1 1.00:= M2 1.25:= "el.m(n "ely 1.$0$ 104 #m3=:=
MEd 103 kN=
M#.d
"el.m(n fy
M04.012 10
3 kN=:=
MEd
M#.d
2.243= 0.33- 1