BOLT BEARING AT BEAM AND SHEAR PLATE SIDE
Vertical Shear Only Load Case:
ICR cordinate relative to CG = (13.08, 0.00)
At Row 1, At Column 1:
Ribolt = 15.94 kips
Ri vector at Beam = <6.18, 14.69>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 2.79 in.
(1/omega)Rnsbm at Beam spacing = (1/omega) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.50 * 1.20 * na * (0.38/1) * 65.00 = na
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 2.79 * (0.38/1) * 65.00 = 41.28 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.38/1) * 65.00 = 25.94 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(na, 41.28, 25.94) = 25.94 kips/bolt
Ri vector at Shear Plate = <-6.18, -14.69>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 7.23 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 * 7.23 * 0.50 * 65.00 = 141.01 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, 141.01, 34.12) = 34.12 kips/bolt
(1/omega)Rn = min((1/omega)Rnbm, (1/omega)Rnshpl) = min(25.935, 34.125) = 25.94 kips/bolt
Bolt Shear Demand to Bearing ratio = 25.94 / 15.94 = 1.63
At Row 2, At Column 1:
Ribolt = 15.84 kips
Ri vector at Beam = <-0.00, 15.84>
Lcsbm at Beam spacing = 4.56 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 * 4.56 * (0.38/1) * 65.00 = 67.62 kips/bolt
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 8.03 * (0.38/1) * 65.00 = 119.02 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.38/1) * 65.00 = 25.94 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(67.62, 119.02, 25.94) = 25.94 kips/bolt
Ri vector at Shear Plate = <0.00, -15.84>
Lcsshpl at Shear Plate spacing = 4.56 in.
Lceshpl at Shear Plate edge = 6.28 in.
(1/omega)Rnsshpl at Shear Plate spacing = (1/omega) * hf1 * Lcs * t * Fu = 0.50 * 1.20 * 4.56 * 0.50 * 65.00 = 88.97 kips/bolt
(1/omega)Rneshpl at Shear Plate edge = (1/omega) * hf1 * Lce * t * Fu = 0.50 * 1.20 * 6.28 * 0.50 * 65.00 = 122.48 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(88.97, 122.48, 34.12) = 34.12 kips/bolt
(1/omega)Rn = min((1/omega)Rnbm, (1/omega)Rnshpl) = min(25.935, 34.125) = 25.94 kips/bolt
Bolt Shear Demand to Bearing ratio = 25.94 / 15.84 = 1.64
At Row 3, At Column 1:
Ribolt = 15.94 kips
Ri vector at Beam = <-6.18, 14.69>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 4.69 in.
(1/omega)Rnsbm at Beam spacing = (1/omega) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.50 * 1.20 * na * (0.38/1) * 65.00 = na
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 4.69 * (0.38/1) * 65.00 = 69.51 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.38/1) * 65.00 = 25.94 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(na, 69.51, 25.94) = 25.94 kips/bolt
Ri vector at Shear Plate = <6.18, -14.69>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 0.85 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 * 0.85 * 0.50 * 65.00 = 16.53 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, 16.53, 34.12) = 16.53 kips/bolt
(1/omega)Rn = min((1/omega)Rnbm, (1/omega)Rnshpl) = min(25.935, 16.527) = 16.53 kips/bolt
Bolt Shear Demand to Bearing ratio = 16.53 / 15.94 = 1.04
Min Bolt Shear Demand to Bearing ratio Beam and Shear Plate for vertical shear only
= min(1.00, 1.63, 1.64, 1.04) = 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 * 45.22 = 45.22 kips
Rbv = 45.22 kips >= V = 37.00 kips (OK) |
WELD:
Weld Requirements:
At shear only case:
Weld Length for shear, Lv = 13.500 in.
Shear Load per inch per weld, fv = R/Lv/2 = 37.000 / 13.500 / 2 = 1.370 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) = 1.370 / (0.500 * 1.856) = 1.477/16
Minimum fillet weld size :
At shear only load case = 0.09 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 )
= 1.030 * 65.000 / ( 70.000 * 1.000 * 0.044 )
= 21.642
Dmax3 = project max fillet weld = 12.000
Dmax=min(Dmax1, Dmax2, Dmax3) = min(5.253, 21.642, 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 * 13.50 * (5.00 + 5.00) = 125.29 kips
125.29 kips >= Vbm = 37.00 kips (OK) |