ABCDEFGHIJKLMNOPQRSTUVWXYZAAABACADAEAFAGAHAIAJAKALAMANAOAPAQ
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Project:Doc. n.:
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Decription:Rev.:date
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Bolted connection fo an angle brace in tension to a gusset plate
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ELEMENTO :#VALUE!
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MaterialS275JR
Partial safety factor
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ft430MPagM0 =1,05
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fy275MPagM1 =1,05t<40fyfuβ
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fd262MPagM2 =1,25S235JR2353600,8
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E206000MPaS275JR2754300,85
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Gusset plate and angle
S355JR3555100,9
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Depth of gusset
hS1-S1 =185mm18540<t<80
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Thickness of gusset
s =15mmS235JR210360
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Eccentricitye =20mmS275JR250410
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ProfileL 120 x 80 x 12S355JR315470
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Depthh120mm
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Widthb80mm
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Thicknesst12,0mmpl thk15,0
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AreaA22,7cm2profilo thk12,0
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Centre of gravity
Zs40,04mm
most economic section
ratioweight
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Ys20,28mm1L 15 x 15 x 30,6
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Bolt grade8,82L 20 x 20 x 41,1
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Yield strengthfyb =640Mpa3L 25 x 25 x 51,8
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Ultimate tensile strength
fub =800Mpa4L 40 x 40 x 53,0
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5L 45 x 45 x 64,0
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BoltsM20
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Tensile stress area
Ares =245mm²1
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Diameter of the shank
d =20mm#REF!11L 15 x 15 x 3
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Diameter of the holes
do=22mm21
L 20 x 20 x 4
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factor0,631
L 25 x 25 x 5
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Shear resistance
FVRd=avfubAs/gM2 =
94kN41
L 40 x 40 x 5
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Bolt geometry51
L 45 x 45 x 6
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Pitch between bolt rows
dx =80mm61
L 50 x 50 x 6
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Number of bolt rows
nbxy =371
L 60 x 60 x 5
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ULS design force
81
L 60 x 60 x 6
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Axial tensile force
Fxt = 250,0kN91
L 75 x 50 x 6
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101
L 70 x 70 x 6
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Bolts in shear111
L 55 x 55 x 8
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shear sectionnT =1121
L 75 x 50 x 7
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factor
f = 6(nb-1)/[nb(nb+1)] =
1,0131
L 65 x 65 x 7
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max vertical force
Ry = F·Fx·e/Sdxi
31kN141
L 60 x 60 x 8
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max orizontal force
Rx = Fx/nb83kN151
L 80 x 80 x 6
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max shear
R = (Rx2+Ry2)1/2 =
89kN161
L 80 x 60 x 7
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max shear on section
FvSd = R/nT =
89kNf.r.171L 70 x 70 x 7
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checkFVSd < FVRd89kN<94,1kN0,95OK181
L 90 x 90 x 6
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Bolts in bearing
191
L 75 x 50 x 9
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thks =15mm201
L 80 x 60 x 8
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tTa = s15mm211
L 80 x 80 x 7
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thk of anglet =12,0mm221
L 65 x 65 x 9
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number of angle
n =1231
L 60 x 60 x 10
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total thktTb = n*t12mm241
L 100 x 65 x 7
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angle edge to first orw
e1 =50mm(min.)251
L 100 x 50 x 8
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pitchp1 =80mm(min.)261
L 100 x 100 x 6
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angle leg edge to bolt line
e2 =60mm(ok)271
L 70 x 70 x 9
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pitchp2 =mm281
L 90 x 90 x 7
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diameter of holes
do =22mm291
L 80 x 80 x 8
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calculation factor k1a = min(2.8e2/d0-1.7;2.5) =
2,50301
L 80 x 60 x 10
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calculation factor k1b = min(1.4p2/d0-1.7;2.5) =
2,50311
L 100 x 100 x 7
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calculation factor k1 = min(k1a;k1b) =
2,50321
L 120 x 60 x 8
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calculation factor ada = e1/3d0 =
0,76331
L 90 x 90 x 8
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calculation factor adb =p1/3d0-1/4 =
0,96CNR341
L 100 x 50 x 10
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calculation factor ab = min(ad;fub/fu;1)
0,762d=40mmOK351
L 100 x 65 x 9
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bearing strength
FbRd.a = k1αbfudTa /gM2 =
195kN3d=60mmOK361
L 110 x 75 x 8
0,98
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bearing strength
FbRd.b = k1αbfudTb /gM2 =
156kNf.r.
1.5d=30mm
OK371
L 70 x 70 x 11
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checkTbSd < FbRd 89kN<156kN0,57OK3d=60mm 381
L 130 x 65 x 8
0,94
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Resistance of gusset and angle
391
L 80 x 80 x 10
0,95
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Gusset check401
L 100 x 100 x 8
0,96
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Gross areaA = h1 s28cm2411
L 100 x 100 x 8
0,96
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net area
An = (A - do s)
24cm2421
L 120 x 80 x 8
0,96
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resistance
NuRd = 0.9 An fu/gM2 =
756kNf.r.431
L 90 x 90 x 9
0,94
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check250kN<755,8kN0,33OK441
L 100 x 65 x 11
0,92
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Angle check451
L 120 x 60 x 10
0,93
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Gross areaA = 22,7cm2461
L 110 x 75 x 10
0,94
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net areaAn = (A - do t)20,1cm2471
L 80 x 80 x 12
0,92
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Plastic resistance
NplRd = A fy/gM0 =
594kN481
L 130 x 65 x 10
0,94
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tension resistance
NuRd = 0.9 An fu/gM2 =
621kNf.r.491
L 120 x 120 x 8
1,00
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check
Fxt < min(NplRd;NuRd)
250kN<594kN0,42OK501
L 90 x 90 x 11
0,94
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Verifica per block shear tearing
511
L 100 x 100 x 10
0,96
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traction boundary
pt =49mm521
L 120 x 80 x 10
0,95
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shear boundary
ps =210mm531
L 120 x 120 x 9
1,00
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traction areaAt = (n s pt)1176mm2541
L 110 x 110 x 10
0,97
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shear areaAs = (n s ps)5040mm2551
L 90 x 90 x 13
0,94
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Block Tearing resistance
561
L 130 x 65 x 12
0,93
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FteRd = 0.5 fu At/gM2+1/(31/2) fy As/gM1
964KNf.r.571
L 100 x 100 x 12
0,95
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check
FteSd = Fxt < FteRd
250<964kN0,26OK581
L 120 x 80 x 12
0,95
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Angle in tension
591
L 120 x 120 x 10
0,99
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1 bolt
NuRd = 2*(e2-0.5*d0)t* fu/gM2 =
405kN
reduction factor for bolted joints
601
L 150 x 90 x 10
0,98
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β20,54pitch p1 is:£ 2.5 d0≥ 5 d03,64611
L 160 x 80 x 10
0,97
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2 bolts
NuRd = β2*Anet* fu/gM2 =
370kN2 bolts0,40,70,54621
L 150 x 100 x 10
0,99
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β30,593 bolts0,50,70,59631
L 90 x 90 x 15
0,93
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3 or more bolts
NuRd = β3*Anet* fu/gM2 =
408kNf.r.641
L 110 x 110 x 12
0,97
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checkFxt < NuRd250,0kN<408kN0,61OK651
L 120 x 120 x 11
0,99
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661
L 150 x 90 x 11
0,98
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0,95671
L 200 x 90 x 9
96
681
L 120 x 80 x 14
0,94
97
691
L 100 x 100 x 14
0,95
98
701
L 140 x 140 x 10
99
711
L 120 x 120 x 12
0,99
100
721
L 160 x 80 x 12
0,96