UB Fin Plate Design
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Transcript of UB Fin Plate Design
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V Ed = 350 kN DESIGN PASS ALL
F Ed = 350 kN
Bolt Size d = M16
Bolt Grade = G 8.8
Weld SizeWeld Size = 8 mm Fillet Weld
Weld Throat a = 5.6 mm
Height of Fin Plate hp = 360 mm
Width of Fin Plate wp = 160 mm
Thickness of Fin Plate tp = 10 mm
Steel Grade of Plate = S275
Vertical Line Bolt n2 = 2 Double Vertical Line
Number of Bolt n1 = 5 no.
z = 80 mm
gh = 10 mm gap between supported & supporting member
FIN PLATE DESIGN
INPUT DATA
DESIGN LOADING INPUT DATA
G 8.8
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Total Number of Bolts nb = 10 no.
e1b = 90 mm
Bolt edge distance e1 = 40 mm Edge dist. OK
Bolt edge distance e2 = 50 mm Edge dist. OK
Bolt distance p1 = 70.0 mm Bolt c/c distance OK
p2 = 60 mm
Supported UB IPE 550 A
Steel Grade S275
Height of Beam hb 547 mm
SHEAR RESISTANCE OF BOLTS
F V,Rd = 60 kN
I = 107000 mm2
α = 0.0224
V Rd = 373 kN > V Ed 350 kN OK
For Vertical bearing resistance for a single bolt
F b,ver,Rd = 101.93 kN
For Horizontal bearing resistance for a single bolt
F b,hor,Rd = 118.49 kN
CHECK FOR VERTICAL SHEAR
BEARING RESISTANCE OF BOLTS ON THE FIN PLATE
IPE 550 A
S275
FV,Rd = (αv x fub x A) / λM2
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V Rd = 671 kN > V Ed 350 kN OK
For Vertical bearing resistance for a single bolt
F b,ver,Rd = 123.84 kN
For Horizontal bearing resistance for a single bolt
F b,hor,Rd = 91.73 kN
V Rd = 662 kN > V Ed 350 kN OK
Shear resistance of gross section
V Rd,g = 450 kN
Shear resistance of net section
A v,net = 2700 mm2
V Rd,n = 536 kN
BEARING RESISTANCE OF BOLTS ON THE BEAM WEB
SHEAR RESISTANCE OF THE FIN PLATE
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Block tearing resistance
for single vertical line
for double vertical line
net area of tension A nt = 830 mm2
net area of shear A nv = 2390 mm3
V Rd,b = 522 kN
V Rd,min = Min(V Rd,g ; V Rd,n ; V Rd,b )
V Rd,min = 450 kN > V Ed 350 kN OK
V Rd = ∞
tp/0.15 = 66.667
z > tp/0.15
λLT = 31
fp,LT = 274 N/mm2
V Rd = 742.5 kN > V Ed 350 kN OK
Shear and block tearing resistance
Shear resistance of gross section
A v,wb = 6000.9 mm2
= 4640.4 mm2
V Rd,g = 953 kN
Shear resistance of net section
A v,wb,net = 5190.9 mm2
BENDING RESISTANCE OF THE FIN PLATE
BUCKLING RESISTANCE OF THE FIN PLATE
SHEAR RESISTANCE OF THE BEAM WEB
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V Rd,n = 1031 kN
Block tearing resistance
for single vertical line
for double vertical line
net area of tension A nt = 657 mm2
net area of shear A nv = 2682 mm2
V Rd,b = 539 kN
V Rd,min = Min(V Rd,g ; V Rd,n ; V Rd,b )
V Rd,min = 539 kN > V Ed 350 kN OK
Shear and bending interaction at the beam web
z > tp/0.15 Long Fin Plate - Check Required
F pl,BC,Rd = 372 kN
V BC,Ed = is the shear force on the beam web BC
V BC,Ed = V Ed - (V Rd,min - F pl,BC,Rd )
= -231
V BC,Ed = 0 kN
SHEAR AND BENDING INTERACTION OF UN-NOTCHED BEAM
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M c,BC,Rd = 32.34 kNm
F pl ,AB,Rd = 130 kN
M c,BC,Rd + F pl,AB,Rd x(n1-1)p1 = 68.88 kNm
VEd x (z + p2/2) = 38.5 kNm ≤ 68.88 OK
WELD RESISTANCE
Weld Throat a ≥ 0.48 x tp OK
Shear resistance of bolt
F v,u = 68 kN
F Rd = 684 kN ≥ F Ed 350 kN OK
Bearing resistance of bolt on the fin plate
k1 = 2.5
αb = 0.86
F b,hor,u,Rd = 135 kN
F Rd = 1346 kN ≥ F Ed 350 kN OK
FIN PLATE AND BOLT GROUP RESISTANCE
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Tension resistance of fin plate
Tension resistance of net section
F Rd,n = 950 kN
for CASE 1
for single vertical line
for double vertical line
A nt = 2080 mm2
A nv = 1660 mm2
F Rd,b = 1077 kN
for CASE 2
for single vertical line
for double vertical line
A nt = 2390 mm2
A nv = 830 mm2
F Rd,b = 1066 kN
F Rd = 950 kN ≥ F Ed 350 kN OK
Bearing resistance of bolts on the beam web
BEAM WEB RESISTANCE
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k1 = 2.5
αb = 0.74
F b,hor,u,Rd = 104 kN
F Rd = 1042 kN ≥ F Ed 350 kN OK
TENSION RESISTANCE OF THE BEAM WEB
Tension resistance of net section
A net,wb = 2430 mm2
F Rd,n = 855 kN
Block tearing resistance
for single vertical line
for double vertical line
A nt = 1872 mm2
A nv = 1314 mm2
F Rd,b = 940 kN
F Rd = 855 kN ≥ F Ed 350 kN OK