Mk-i_παράδειγμα Κλειστού Στεγάστρου Κατά Ec-3(6)
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Transcript of Mk-i_παράδειγμα Κλειστού Στεγάστρου Κατά Ec-3(6)
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& pi
3pi . pipi,
. , .
, ...
, 2011
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pi
Hz=5,60m
Bi=6,00mBa=5,00mLx=52,00m
=2,00mn=8Ly=32,00m
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pi
12
3 45
6 78
U1 U2 U3 U4 U5 U6 U7
D1 D2 D3D4 D5
D6 D7 D8V8V7V6V5V4V3V2
V1
.... .. ..
1
_1 _2
2tan(a)=1.60/16=0,1->a=5,71
a
- pi 1/2IPE:
- pi 1/2HEA:
- L:
- L:
- IPE:
- D1 2L:
- pi- IPE:
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pi
pi Wy=1,0kN/m2
W(-) (pipi )=-1,10 kN/m2
) W (pi. 1)
Wy
W1 (. - pi pi)=1,0kN/m2W2 (. - pi pi)=0,5kN/m2
( EC1-4)
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) W (pi. 1)
Wy
pi Wy=1,0kN/m2
W(-) (pipi )=-1,10 kN/m2W1 (. - pi pi)=1,0kN/m2W2 (. - pi pi)=0,5kN/m2
( EC1-4)
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1 pi ( ) Gerber ( ) ( )
2 ( ) pi ( )
pi ( ) pi pi ( )
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pi ) pi
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pi ) pi
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pi 1) pi
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pi 2) pi
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pi 1) pi
56
7
D5 D6 D7 V7V6V5
ly=200/cosa=201cm
56
7
D5 D6 D7 V7V6V5
lz=200/cosa=201cm
U4 U5 U6
D5 D6 D7 V7V6V5
....U4 U5 U6
D5 D6 D7 V7V6V5
....
C1: P1=+26,136kN, minO=-606,14kN C2: P2= -12.84kN, maxO = +297.78kN
pi pi : minO(1)=-23,192
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pi 2)
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pi 2)
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pi 1) pi K
56
7
U4U5
U6
D5 D6 D7 V7V6V5
....
56
7
U4 U5 U6
D5 D6 D7 V7V6V5
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U5....
ly=200cm
U4 U5 U6....
a) lz(u4,u5,u6)=3x200=600cm
C1: P1=+26,136kN, maxU=+603,12kN C2: P2= -12.84kN, minU = -296.29 kN
) .U4,U5,U6, pi pi . : maxU(1)=+23,076b) lz(d1,u1,u2,u3)=4x200=800cm
C1: P1=+26,136kN, maxU=+509,65kN C2: P2= -12.84kN, minU = -250.38 kN
) . .D1,U1,U2,U3, pi pi . : maxU'(1)=+19,500
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pi 2)
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pi 2)
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pi 2)
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pi 1) pi pi
ly(D1)=lz(D1)=244cm
pi( & )
a
V1D1
1V2
D2
U1
2
ly(D7)=lz(D7)=328cm,
..
V6V7
D7
U6
76
V8
D8
U7
8
V5 D6
ly(D8)=lz(D8)=344cm,ly(D1)=lz(D1)=244cm
C1: P2=+26,136kN, maxD1=+298,81kN C2: P2= -12.84kN, minD1 = -146.80 kN
1) D1, pi pi . : maxD1(1)=+11,433
C1: P1=+26,136kN, minD7=-24,67kN C2: P2= -12.84kN, maxV1=+12.12kN
1) D7 , pi pi . : minD7(1)=-0,944
ly(D7)=lz(D7)=328cm,ly(V7)=lz(V7)=280cm
C1: P1=+26,136kN, minD6=-52,45kN C2: P2= -12.84kN, maxD6 = +25.77 kN
2) D8, pi pi . : minD8(1)=-2,007
C1: P1=+26,136kN, maxV8=+19,55kN C2: P2= -12.84kN, minV8 = -9.60kN
2) V7, pi pi . : maxV7(1)=+0,748
ly(D8)=lz(D8)=344cm,
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pi 1) pi pi
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pi 1) pi pi
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pi 1) pi pi
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pi 1) pi pi
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pi 1)
pipi pi ( ) pi pi 3 L50X5, L60X6, L70X7, L80X8, pi pi pi pi pipi.
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pi ) pi
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pi 1) pi
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pi 2) pi
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pi 1) ...
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pi 2) ...
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pi 3) ...
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pi 1) ...
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pi 2) ...
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pi 1)
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()
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()