BOLT BEARING AT BEAM AND SHEAR PLATE SIDE
Vertical Shear Only Load Case:
ICR cordinate relative to CG = (5.08, 0.00)
At Row 1, At Column 1:
Ribolt = 15.94 kips
Ri vector at Beam = <8.11, 13.72>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 1.85 in.
(1/omega)Rnsbm at Beam spacing = (1/omega) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.50 * 1.20 * na * (0.32/1) * 65.00 = na
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 1.85 * (0.32/1) * 65.00 = 22.78 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.32/1) * 65.00 = 21.50 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(na, 22.78, 21.50) = 21.50 kips/bolt
Ri vector at Shear Plate = <-8.11, -13.72>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 3.88 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 * 3.88 * 0.38 * 65.00 = 56.71 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, 56.71, 25.59) = 25.59 kips/bolt
(1/omega)Rn = min((1/omega)Rnbm, (1/omega)Rnshpl) = min(21.499, 25.594) = 21.50 kips/bolt
Bolt Shear Demand to Bearing ratio = 21.50 / 15.94 = 1.35
At Row 2, At Column 1:
Ribolt = 15.75 kips
Ri vector at Beam = <-0.00, 15.75>
Lcsbm at Beam spacing = 2.06 in.
Lcebm at Beam edge = 4.53 in.
(1/omega)Rnsbm at Beam spacing = (1/omega) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.50 * 1.20 * 2.06 * (0.32/1) * 65.00 = 25.34 kips/bolt
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 4.53 * (0.32/1) * 65.00 = 55.67 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.32/1) * 65.00 = 21.50 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(25.34, 55.67, 21.50) = 21.50 kips/bolt
Ri vector at Shear Plate = <0.00, -15.75>
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(21.499, 25.594) = 21.50 kips/bolt
Bolt Shear Demand to Bearing ratio = 21.50 / 15.75 = 1.36
At Row 3, At Column 1:
Ribolt = 15.94 kips
Ri vector at Beam = <-8.11, 13.72>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 2.97 in.
(1/omega)Rnsbm at Beam spacing = (1/omega) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.50 * 1.20 * na * (0.32/1) * 65.00 = na
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 2.97 * (0.32/1) * 65.00 = 36.49 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.32/1) * 65.00 = 21.50 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(na, 36.49, 21.50) = 21.50 kips/bolt
Ri vector at Shear Plate = <8.11, -13.72>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 0.91 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 * 0.91 * 0.38 * 65.00 = 13.27 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, 13.27, 25.59) = 13.27 kips/bolt
(1/omega)Rn = min((1/omega)Rnbm, (1/omega)Rnshpl) = min(21.499, 13.273) = 13.27 kips/bolt
Bolt Shear Demand to Bearing ratio = 13.27 / 15.94 = 0.83
Min Bolt Shear Demand to Bearing ratio Beam and Shear Plate for vertical shear only
= min(1.00, 1.35, 1.36, 0.83) = 0.83
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 = 0.83 * 43.19 = 35.97 kips
Rbv = 35.97 kips >= V = 26.00 kips (OK) |
Web Depth = d - [Top Cope Depth] - [Bottom Cope Depth] = 17.9 - 1.5 - 0 = 16.4 in.
Gross Area (Shear) = [Web Depth] * tw = 16.40 * 0.32 = 5.17 in^2
Net Shear Area (Shear) = ([Web Depth] - ([# rows] * [Diameter + 0.0625])) * tw
= (16.40 - (3 * 1.00)) * 0.32 = 4.22 in^2
Using Eq.J4-3:
Shear Yielding = (1/omega) * 0.6 * Fybeam * [Gross Area] = 0.67 * 0.6 * 50.00 * 5.17 = 103.32 kips
Using Eq.J4-4:
Shear Rupture = (1/omega) * 0.6 * Fubeam * [Net Area] = 0.50 * 0.6 * 65.00 * 4.22 = 82.31 kips
Block Shear
Using Eq.J4-5:
Block Shear = {(1/omega) * ((0.6 * Fu * Anv) + (Ubs * Fu * Ant))} <= {(1/omega) * ((0.6 * Fy * Agv) + (Ubs * Fu * Ant))}
Block Shear (1)
Gross Shear Length = [edge dist. at beam edge] + ([# rows - 1] * [spacing]) = 2 + 6 = 8.00 in.
Net Shear Length = Gross Shear Length - (# rows - 0.5) * (hole size + 0.0625) = 8 - (3 - 0.5) * 1 = 5.50 in.
Gross Tension Length = [edge dist. at beam edge] + ([# cols - 1] * [spacing]) = 1.75 + (1 - 1) * 3 = 1.75 in.
Net Tension Length = Gross Tension Length - (# cols - 0.5) * (hole size + 0.0625) = 1.75 - (1 - 0.5) * 1 = 1.25 in.
1. (1/omega) * [material thickness] * ((0.60 * Fubeam* [net shear length]) + (Ubs * Fubeam * [net tension length]))
= 0.50 * 0.32 * ((0.60 * 65.00 * 5.50) + (1.00 * 65.00 * 1.25)) = 46.58 kips
2. (1/omega) * [material thickness] * ((0.60 * Fybeam * [gross shear length]) + (Ubs * Fubeam * [net tension length]))
= 0.50 * 0.32 * ((0.60 * 50.00 * 8.00) + (1.00 * 65.00 * 1.25)) = 50.60 kips
Block Shear = 46.58 kips
Block Shear (1) Total = Block Shear (1) = 46.58 kips
Buckling and Flexure at Longest Cope (Top Cope Only at Section)
Eccentricity at Section, e = 6.78 in.
If coped at top/bottom flange only and c <= 2d and dc <= d/2, use Eq. 9-7, Fcr = 26210.00 * f * k * (tw/h1)^2 <= Fy
Using Eq. 9-7 through 9-11
tw = 0.32 in.
h1 = 11.11 in.
c = 6.00 in.
When c/h1<=1.0, k=2.2(h1/c)^1.65
k = 2.20 * (11.11 / 6.00)^1.65 = 6.08
When c/d<=1.0, f=2c/d
f = 2 * (6.00 / 17.90) = 0.67
Fy = 50.00 ksi
Fcr = (1/omega) * 26210.00 * f * k * (tw/h1)^2 = 0.60 * 26210.00 * 0.67 * 6.08 * (0.32 / 11.11)^2 = 51.52 ksi
Fcrmin =1/omega * min(Fcr, Fy) = 30.00 ksi
Snet1 (bolt holes not applicable) = 21.17 in^3
Snet2 (bolt holes applicable) = 21.17 in^3
Znet = 37.83 in^3
Using Eq. 9-6
Buckling = Fcr * Snet1 / e = 30.00 * 21.17 / 6.78 = 93.76 kips
Using Eq. 9-19
Flexural Yielding = (1/omega) * Fy * Snet1 / e = 0.60 * 50.00 * 21.17 / 6.78 = 93.76 kips
Using Eq. 9-4
Flexural Rupture = (1/omega) * Fu * Znet / e = 0.50 * 65.00 * 37.83 / 6.78 = 181.50 kips
Buckling and Flexure at Furthest Bolt Line within Cope (Top Cope Only at Section)
Eccentricity at Section, e = 2.52 in.
If coped at top/bottom flange only and c <= 2d and dc <= d/2, use Eq. 9-7, Fcr = 26210.00 * f * k * (tw/h1)^2 <= Fy
Using Eq. 9-7 through 9-11
tw = 0.32 in.
h1 = 11.91 in.
c = 6.00 in.
When c/h1<=1.0, k=2.2(h1/c)^1.65
k = 2.20 * (11.91 / 6.00)^1.65 = 6.82
When c/d<=1.0, f=2c/d
f = 2 * (6.00 / 17.90) = 0.67
Fy = 50.00 ksi
Fcr = (1/omega) * 26210.00 * f * k * (tw/h1)^2 = 0.60 * 26210.00 * 0.67 * 6.82 * (0.32 / 11.91)^2 = 50.28 ksi
Fcrmin =1/omega * min(Fcr, Fy) = 30.00 ksi
Snet1 (bolt holes not applicable) = 21.17 in^3
Snet2 (bolt holes applicable) = 15.92 in^3
Znet = 29.61 in^3
Using Eq. 9-6
Buckling = Fcr * Snet1 / e = 30.00 * 21.17 / 2.52 = 251.57 kips
Using Eq. 9-19
Flexural Yielding = (1/omega) * Fy * Snet1 / e = 0.60 * 50.00 * 21.17 / 2.52 = 251.57 kips
Using Eq. 9-4
Flexural Rupture = (1/omega) * Fu * Znet / e = 0.50 * 65.00 * 29.61 / 2.52 = 381.11 kips
Section Bending Strength Calculations Summary:
Coped Beam Buckling and Flexure at Longest Cope (Top Cope Only at Section)
Buckling : 93.76 >= 26.00 kips (OK)
Flexural Yielding : 93.76 >= 26.00 kips (OK)
Flexural Rupture : 181.50 >= 26.00 kips (OK)
Coped Beam Buckling and Flexure at Furthest Bolt Line within Cope (Top Cope Only at Section)
Buckling : 251.57 >= 26.00 kips (OK)
Flexural Yielding : 251.57 >= 26.00 kips (OK)
Flexural Rupture : 381.11 >= 26.00 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 = 26.000 / 8.500 / 2 = 1.529 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) = 1.529 / (0.500 * 1.856) = 1.648/16
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 9-3)
= twsupport * Fusupport / ( Fexx * C1 * 0.088 )
= 0.550 * 65.000 / ( 70.000 * 1.000 * 0.088 )
= 5.778
Dmax3 = project max fillet weld = 12.000
Dmax=min(Dmax1, Dmax2, Dmax3) = min(3.940, 5.778, 12.000)
= 3.940
Use weld size
D1 = 4.00
D2 = 4.00
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 = 26.00 kips (OK) |