BOLT BEARING AT BEAM AND SHEAR PLATE SIDE
Vertical Shear Only Load Case:
ICR cordinate relative to CG = (10.76, -0.00)
At Row 1, At Column 1:
Ribolt = 15.94 kips
Ri vector at Beam = <6.71, 14.45>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 3.39 in.
(1/omega)Rnsbm at Beam spacing = (1/omega) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.50 * 1.20 * na * (0.55/1) * 65.00 = na
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 3.39 * (0.55/1) * 65.00 = 72.73 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.55/1) * 65.00 = 37.54 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(na, 72.73, 37.54) = 37.54 kips/bolt
Ri vector at Shear Plate = <-6.71, -14.45>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 6.60 in.
(1/omega)Rnsshpl at Shear Plate spacing = (1/omega) * hf1 * Lcs * t * Fu = 0.50 * 1.20 * na * 0.50 * 65.00 = na
(1/omega)Rneshpl at Shear Plate edge = (1/omega) * hf1 * Lce * t * Fu = 0.50 * 1.20 * 6.60 * 0.50 * 65.00 = 128.77 kips/bolt
(1/omega)Rndshpl on Shear Plate at Bolt Diameter = (1/omega) * hf2 * db * t * Fu = 0.50 * 2.40 * 0.88 * 0.50 * 65.00 = 34.12 kips/bolt
Shear Plate bearing capacity, (1/omega)Rnshpl = min((1/omega)Rnsshpl,(1/omega)Rneshpl,(1/omega)Rndshpl) = min(na, 128.77, 34.12) = 34.12 kips/bolt
(1/omega)Rn = min((1/omega)Rnbm, (1/omega)Rnshpl) = min(37.538, 34.125) = 34.12 kips/bolt
Bolt Shear Demand to Bearing ratio = 34.12 / 15.94 = 2.14
At Row 2, At Column 1:
Ribolt = 15.82 kips
Ri vector at Beam = <0.00, 15.82>
Lcsbm at Beam spacing = 4.06 in.
Lcebm at Beam edge = 8.03 in.
(1/omega)Rnsbm at Beam spacing = (1/omega) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.50 * 1.20 * 4.06 * (0.55/1) * 65.00 = 87.14 kips/bolt
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 8.03 * (0.55/1) * 65.00 = 172.27 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.55/1) * 65.00 = 37.54 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(87.14, 172.27, 37.54) = 37.54 kips/bolt
Ri vector at Shear Plate = <-0.00, -15.82>
Lcsshpl at Shear Plate spacing = 4.06 in.
Lceshpl at Shear Plate edge = 5.78 in.
(1/omega)Rnsshpl at Shear Plate spacing = (1/omega) * hf1 * Lcs * t * Fu = 0.50 * 1.20 * 4.06 * 0.50 * 65.00 = 79.22 kips/bolt
(1/omega)Rneshpl at Shear Plate edge = (1/omega) * hf1 * Lce * t * Fu = 0.50 * 1.20 * 5.78 * 0.50 * 65.00 = 112.73 kips/bolt
(1/omega)Rndshpl on Shear Plate at Bolt Diameter = (1/omega) * hf2 * db * t * Fu = 0.50 * 2.40 * 0.88 * 0.50 * 65.00 = 34.12 kips/bolt
Shear Plate bearing capacity, (1/omega)Rnshpl = min((1/omega)Rnsshpl,(1/omega)Rneshpl,(1/omega)Rndshpl) = min(79.22, 112.73, 34.12) = 34.12 kips/bolt
(1/omega)Rn = min((1/omega)Rnbm, (1/omega)Rnshpl) = min(37.538, 34.125) = 34.12 kips/bolt
Bolt Shear Demand to Bearing ratio = 34.12 / 15.82 = 2.16
At Row 3, At Column 1:
Ribolt = 15.94 kips
Ri vector at Beam = <-6.71, 14.45>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 4.28 in.
(1/omega)Rnsbm at Beam spacing = (1/omega) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.50 * 1.20 * na * (0.55/1) * 65.00 = na
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 4.28 * (0.55/1) * 65.00 = 91.80 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.55/1) * 65.00 = 37.54 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(na, 91.80, 37.54) = 37.54 kips/bolt
Ri vector at Shear Plate = <6.71, -14.45>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 0.86 in.
(1/omega)Rnsshpl at Shear Plate spacing = (1/omega) * hf1 * Lcs * t * Fu = 0.50 * 1.20 * na * 0.50 * 65.00 = na
(1/omega)Rneshpl at Shear Plate edge = (1/omega) * hf1 * Lce * t * Fu = 0.50 * 1.20 * 0.86 * 0.50 * 65.00 = 16.80 kips/bolt
(1/omega)Rndshpl on Shear Plate at Bolt Diameter = (1/omega) * hf2 * db * t * Fu = 0.50 * 2.40 * 0.88 * 0.50 * 65.00 = 34.12 kips/bolt
Shear Plate bearing capacity, (1/omega)Rnshpl = min((1/omega)Rnsshpl,(1/omega)Rneshpl,(1/omega)Rndshpl) = min(na, 16.80, 34.12) = 16.80 kips/bolt
(1/omega)Rn = min((1/omega)Rnbm, (1/omega)Rnshpl) = min(37.538, 16.797) = 16.80 kips/bolt
Bolt Shear Demand to Bearing ratio = 16.80 / 15.94 = 1.05
Min Bolt Shear Demand to Bearing ratio Beam and Shear Plate for vertical shear only
= min(1.00, 2.14, 2.16, 1.05) = 1.00
BEARING AT BEAM AND SHEAR PLATE SIDE SUMMARY:
Bearing Capacity at Vertical Shear Load Only, Rbv = Min Bolt Shear Demand to Bearing Ratio * Bolt Shear = 1.00 * 44.73 = 44.73 kips
Rbv = 44.73 kips >= V = 40.00 kips (OK) |
WELD:
Weld Requirements:
At shear only case:
Weld Length for shear, Lv = 12.500 in.
Shear Load per inch per weld, fv = R/Lv/2 = 40.000 / 12.500 / 2 = 1.600 kips/in/ weld
theta = 0 deg.
cPhi = 1.0 + 0.5 * sin(0)^1.5 = 1.000
Weld Coefficient = 0.6 * 70.000 * 1.000 * 1.000 * (2^0.5/2)*(1/16) = 1.856
Required weld size, Dv = fv/ (1/omega * coeff) = 1.600 / (0.500 * 1.856) = 1.724/16
Minimum fillet weld size :
At shear only load case = 0.11 in.
per Table J2.4 = 0.19 in.
5/8tp = 0.31 in.
user preference = 0.25 in.
Dmax1 (using eqn 9-3)
= tshpl * Fushpl / ( Fexx * C1 * 0.088)
= 0.500 * 65.000 / ( 70.000 * 1.000 * 0.088 )
= 5.253
Dmax2 (using eqn 9-2)
= tfsupport * Fusupport / ( Fexx * C1 * 0.044 )
= 1.190 * 65.000 / ( 70.000 * 1.000 * 0.044 )
= 25.003
Dmax3 = project max fillet weld = 12.000
Dmax=min(Dmax1, Dmax2, Dmax3) = min(5.253, 25.003, 12.000)
= 5.253
Use weld size
D1 = 5.00
D2 = 5.00
Weld Strength :
Vertical weld capacity during shear only load, 1/omega * Rnv1 = 0.50 * 1.86 * 12.50 * (5.00 + 5.00) = 116.01 kips
116.01 kips >= Vbm = 40.00 kips (OK) |