BOLT BEARING AT BEAM AND SHEAR PLATE SIDE
Vertical Shear Only Load Case:
ICR cordinate relative to CG = (3.53, 0.00)
At Row 1, At Column 1:
Ribolt = 15.94 kips
Ri vector at Beam = <10.31, 12.15>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 3.47 in.
(1/omega)Rnsbm at Beam spacing = (1/omega) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.50 * 1.20 * na * (0.23/1) * 65.00 = na
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 3.47 * (0.23/1) * 65.00 = 31.76 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.23/1) * 65.00 = 16.04 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(na, 31.76, 16.04) = 16.04 kips/bolt
Ri vector at Shear Plate = <-10.31, -12.15>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 4.02 in.
(1/omega)Rnsshpl at Shear Plate spacing = (1/omega) * hf1 * Lcs * t * Fu = 0.50 * 1.20 * na * 0.38 * 65.00 = na
(1/omega)Rneshpl at Shear Plate edge = (1/omega) * hf1 * Lce * t * Fu = 0.50 * 1.20 * 4.02 * 0.38 * 65.00 = 58.82 kips/bolt
(1/omega)Rndshpl on Shear Plate at Bolt Diameter = (1/omega) * hf2 * db * t * Fu = 0.50 * 2.40 * 0.88 * 0.38 * 65.00 = 25.59 kips/bolt
Shear Plate bearing capacity, (1/omega)Rnshpl = min((1/omega)Rnsshpl,(1/omega)Rneshpl,(1/omega)Rndshpl) = min(na, 58.82, 25.59) = 25.59 kips/bolt
(1/omega)Rn = min((1/omega)Rnbm, (1/omega)Rnshpl) = min(16.039, 25.594) = 16.04 kips/bolt
Bolt Shear Demand to Bearing ratio = 16.04 / 15.94 = 1.01
At Row 2, At Column 1:
Ribolt = 15.56 kips
Ri vector at Beam = <-0.00, 15.56>
Lcsbm at Beam spacing = 2.06 in.
Lcebm at Beam edge = 5.53 in.
(1/omega)Rnsbm at Beam spacing = (1/omega) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.50 * 1.20 * 2.06 * (0.23/1) * 65.00 = 18.90 kips/bolt
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 5.53 * (0.23/1) * 65.00 = 50.69 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.23/1) * 65.00 = 16.04 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(18.90, 50.69, 16.04) = 16.04 kips/bolt
Ri vector at Shear Plate = <0.00, -15.56>
Lcsshpl at Shear Plate spacing = 2.06 in.
Lceshpl at Shear Plate edge = 3.78 in.
(1/omega)Rnsshpl at Shear Plate spacing = (1/omega) * hf1 * Lcs * t * Fu = 0.50 * 1.20 * 2.06 * 0.38 * 65.00 = 30.16 kips/bolt
(1/omega)Rneshpl at Shear Plate edge = (1/omega) * hf1 * Lce * t * Fu = 0.50 * 1.20 * 3.78 * 0.38 * 65.00 = 55.30 kips/bolt
(1/omega)Rndshpl on Shear Plate at Bolt Diameter = (1/omega) * hf2 * db * t * Fu = 0.50 * 2.40 * 0.88 * 0.38 * 65.00 = 25.59 kips/bolt
Shear Plate bearing capacity, (1/omega)Rnshpl = min((1/omega)Rnsshpl,(1/omega)Rneshpl,(1/omega)Rndshpl) = min(30.16, 55.30, 25.59) = 25.59 kips/bolt
(1/omega)Rn = min((1/omega)Rnbm, (1/omega)Rnshpl) = min(16.039, 25.594) = 16.04 kips/bolt
Bolt Shear Demand to Bearing ratio = 16.04 / 15.56 = 1.03
At Row 3, At Column 1:
Ribolt = 15.94 kips
Ri vector at Beam = <-10.31, 12.15>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 2.62 in.
(1/omega)Rnsbm at Beam spacing = (1/omega) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.50 * 1.20 * na * (0.23/1) * 65.00 = na
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 2.62 * (0.23/1) * 65.00 = 24.02 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.23/1) * 65.00 = 16.04 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(na, 24.02, 16.04) = 16.04 kips/bolt
Ri vector at Shear Plate = <10.31, -12.15>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 1.02 in.
(1/omega)Rnsshpl at Shear Plate spacing = (1/omega) * hf1 * Lcs * t * Fu = 0.50 * 1.20 * na * 0.38 * 65.00 = na
(1/omega)Rneshpl at Shear Plate edge = (1/omega) * hf1 * Lce * t * Fu = 0.50 * 1.20 * 1.02 * 0.38 * 65.00 = 14.99 kips/bolt
(1/omega)Rndshpl on Shear Plate at Bolt Diameter = (1/omega) * hf2 * db * t * Fu = 0.50 * 2.40 * 0.88 * 0.38 * 65.00 = 25.59 kips/bolt
Shear Plate bearing capacity, (1/omega)Rnshpl = min((1/omega)Rnsshpl,(1/omega)Rneshpl,(1/omega)Rndshpl) = min(na, 14.99, 25.59) = 14.99 kips/bolt
(1/omega)Rn = min((1/omega)Rnbm, (1/omega)Rnshpl) = min(16.039, 14.989) = 14.99 kips/bolt
Bolt Shear Demand to Bearing ratio = 14.99 / 15.94 = 0.94
Min Bolt Shear Demand to Bearing ratio Beam and Shear Plate for vertical shear only
= min(1.00, 1.01, 1.03, 0.94) = 0.94
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 = 0.94 * 39.85 = 37.49 kips
Rbv = 37.49 kips >= V = 25.00 kips (OK) |
WELD:
Weld Requirements:
At shear only case:
Weld Length for shear, Lv = 8.500 in.
Shear Load per inch per weld, fv = R/Lv/2 = 25.000 / 8.500 / 2 = 1.471 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) = 1.471 / (0.500 * 1.856) = 1.585/16
Minimum fillet weld size :
At shear only load case = 0.10 in.
per Table J2.4 = 0.19 in.
5/8tp = 0.23 in.
user preference = 0.25 in.
Dmax1 (using eqn 9-3)
= tshpl * Fushpl / ( Fexx * C1 * 0.088)
= 0.375 * 65.000 / ( 70.000 * 1.000 * 0.088 )
= 3.940
Dmax2 (using eqn 9-2)
= tfsupport * Fusupport / ( Fexx * C1 * 0.044 )
= 0.940 * 65.000 / ( 70.000 * 1.000 * 0.044 )
= 19.751
Dmax3 = project max fillet weld = 12.000
Dmax=min(Dmax1, Dmax2, Dmax3) = min(3.940, 19.751, 12.000)
= 3.940
Dihedral Angle, DA = 74.80 deg.
Gap on Obtuse Angle Side if No Bevel = 0.10 in.
Use weld size
Acute Side D1 = 4.00
Obtuse Side D2 = 6.00 (weld size increased on obtuse side for gap at skew per AWS D1.1/D1.1M (2015, p.511, C-5.21.1))
Weld Strength :
Vertical weld capacity during shear only load, 1/omega * Rnv1 = 0.50 * 1.86 * 8.50 * (3.94 + 3.94) = 62.16 kips
62.16 kips >= Vbm = 25.00 kips (OK)
Check Effective Throat:
Acute Side Effect throat = (D1/sin(DA)) * cos(DA/2) = (0.25/ sin( 74.80)) * cos( 37.40) = 0.21 in.
Obtuse Side Effect throat = (D2/sin(DA)-tshpl/tan(DA))*sin(DA/2) = (0.38 / sin(74.80) - 0.38 / tan(74.80)) * sin(74.80 / 2) = 0.17 in.
Total Effective Throat = 0.21 + 0.17 = 0.38 in.
Total Effective Throat of Square Case = 5/8tp * 2^0.5 = 0.23 * 2^0.5 = 0.33 in.
0.38 >= 0.33 (OK) |