BOLT BEARING AT BEAM AND SHEAR PLATE SIDE
Vertical Shear Only Load Case:
ICR cordinate relative to CG = (3.68, 0.00)
At Row 1, At Column 1:
Ribolt = 15.94 kips
Ri vector at Beam = <10.07, 12.35>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 3.40 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 * 3.40 * (0.23/1) * 65.00 = 30.53 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 = 15.70 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(na, 30.53, 15.70) = 15.70 kips/bolt
Ri vector at Shear Plate = <-10.07, -12.35>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 4.14 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 * 4.14 * 0.38 * 65.00 = 60.56 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, 60.56, 25.59) = 25.59 kips/bolt
(1/omega)Rn = min((1/omega)Rnbm, (1/omega)Rnshpl) = min(15.698, 25.594) = 15.70 kips/bolt
Bolt Shear Demand to Bearing ratio = 15.70 / 15.94 = 0.99
At Row 2, At Column 1:
Ribolt = 15.58 kips
Ri vector at Beam = <-0.00, 15.58>
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 * (0.23/1) * 65.00 = 18.50 kips/bolt
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 4.53 * (0.23/1) * 65.00 = 40.65 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 = 15.70 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(18.50, 40.65, 15.70) = 15.70 kips/bolt
Ri vector at Shear Plate = <0.00, -15.58>
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(15.698, 25.594) = 15.70 kips/bolt
Bolt Shear Demand to Bearing ratio = 15.70 / 15.58 = 1.01
At Row 3, At Column 1:
Ribolt = 15.94 kips
Ri vector at Beam = <-10.08, 12.35>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 2.69 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 * 2.69 * (0.23/1) * 65.00 = 24.17 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 = 15.70 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(na, 24.17, 15.70) = 15.70 kips/bolt
Ri vector at Shear Plate = <10.08, -12.35>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 1.01 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 * 1.01 * 0.38 * 65.00 = 14.75 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, 14.75, 25.59) = 14.75 kips/bolt
(1/omega)Rn = min((1/omega)Rnbm, (1/omega)Rnshpl) = min(15.698, 14.748) = 14.75 kips/bolt
Bolt Shear Demand to Bearing ratio = 14.75 / 15.94 = 0.93
Min Bolt Shear Demand to Bearing ratio Beam and Shear Plate for vertical shear only
= min(1.00, 0.99, 1.01, 0.93) = 0.93
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 = 0.93 * 40.28 = 37.28 kips
Rbv = 37.28 kips >= V = 20.00 kips (OK) |
Web Depth = d - [Top Cope Depth] - [Bottom Cope Depth] = 13.7 - 1 - 0 = 12.7 in.
Gross Area (Shear) = [Web Depth] * tw = 12.70 * 0.23 = 2.92 in^2
Net Shear Area (Shear) = ([Web Depth] - ([# rows] * [Diameter + 0.0625])) * tw
= (12.70 - (3 * 1.00)) * 0.23 = 2.23 in^2
Using Eq.J4-3:
Shear Yielding = (1/omega) * 0.6 * Fybeam * [Gross Area] = 0.67 * 0.6 * 50.00 * 2.92 = 58.42 kips
Using Eq.J4-4:
Shear Rupture = (1/omega) * 0.6 * Fubeam * [Net Area] = 0.50 * 0.6 * 65.00 * 2.23 = 43.50 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]) = 2 + (1 - 1) * 3 = 2.00 in.
Net Tension Length = Gross Tension Length - (# cols - 0.5) * (hole size + 0.0625) = 2 - (1 - 0.5) * 1 = 1.50 in.
1. (1/omega) * [material thickness] * ((0.60 * Fubeam* [net shear length]) + (Ubs * Fubeam * [net tension length]))
= 0.50 * 0.23 * ((0.60 * 65.00 * 5.50) + (1.00 * 65.00 * 1.50)) = 35.88 kips
2. (1/omega) * [material thickness] * ((0.60 * Fybeam * [gross shear length]) + (Ubs * Fubeam * [net tension length]))
= 0.50 * 0.23 * ((0.60 * 50.00 * 8.00) + (1.00 * 65.00 * 1.50)) = 38.81 kips
Block Shear = 35.88 kips
Block Shear (1) Total = Block Shear (1) = 35.88 kips
Buckling and Flexure at Longest Cope (Top Cope Only at Section)
Eccentricity at Section, e = 3.66 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 = 0.23 in.
h1 = 8.54 in.
c = 2.50 in.
When c/h1<=1.0, k=2.2(h1/c)^1.65
k = 2.20 * (8.54 / 2.50)^1.65 = 16.69
When c/d<=1.0, f=2c/d
f = 2 * (2.50 / 13.70) = 0.36
Fy = 50.00 ksi
Fcr = (1/omega) * 26210.00 * f * k * (tw/h1)^2 = 0.60 * 26210.00 * 0.36 * 16.69 * (0.23 / 8.54)^2 = 69.53 ksi
Fcrmin =1/omega * min(Fcr, Fy) = 30.00 ksi
Snet1 (bolt holes not applicable) = 9.23 in^3
Snet2 (bolt holes applicable) = 9.23 in^3
Znet = 16.38 in^3
Using Eq. 9-6
Buckling = Fcr * Snet1 / e = 30.00 * 9.23 / 3.66 = 75.68 kips
Using Eq. 9-19
Flexural Yielding = (1/omega) * Fy * Snet1 / e = 0.60 * 50.00 * 9.23 / 3.66 = 75.68 kips
Using Eq. 9-4
Flexural Rupture = (1/omega) * Fu * Znet / e = 0.50 * 65.00 * 16.38 / 3.66 = 145.53 kips
Buckling and Flexure at Furthest Bolt Line within Cope (Top Cope Only at Section)
Eccentricity at Section, e = 3.16 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 = 0.23 in.
h1 = 9.17 in.
c = 2.50 in.
When c/h1<=1.0, k=2.2(h1/c)^1.65
k = 2.20 * (9.17 / 2.50)^1.65 = 18.79
When c/d<=1.0, f=2c/d
f = 2 * (2.50 / 13.70) = 0.36
Fy = 50.00 ksi
Fcr = (1/omega) * 26210.00 * f * k * (tw/h1)^2 = 0.60 * 26210.00 * 0.36 * 18.79 * (0.23 / 9.17)^2 = 67.80 ksi
Fcrmin =1/omega * min(Fcr, Fy) = 30.00 ksi
Snet1 (bolt holes not applicable) = 9.23 in^3
Snet2 (bolt holes applicable) = 7.02 in^3
Znet = 12.53 in^3
Using Eq. 9-6
Buckling = Fcr * Snet1 / e = 30.00 * 9.23 / 3.16 = 87.66 kips
Using Eq. 9-19
Flexural Yielding = (1/omega) * Fy * Snet1 / e = 0.60 * 50.00 * 9.23 / 3.16 = 87.66 kips
Using Eq. 9-4
Flexural Rupture = (1/omega) * Fu * Znet / e = 0.50 * 65.00 * 12.53 / 3.16 = 128.99 kips
Section Bending Strength Calculations Summary:
Coped Beam Buckling and Flexure at Longest Cope (Top Cope Only at Section)
Buckling : 75.68 >= 20.00 kips (OK)
Flexural Yielding : 75.68 >= 20.00 kips (OK)
Flexural Rupture : 145.53 >= 20.00 kips (OK)
Coped Beam Buckling and Flexure at Furthest Bolt Line within Cope (Top Cope Only at Section)
Buckling : 87.66 >= 20.00 kips (OK)
Flexural Yielding : 87.66 >= 20.00 kips (OK)
Flexural Rupture : 128.99 >= 20.00 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 = 20.000 / 8.500 / 2 = 1.176 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) = 1.176 / (0.500 * 1.856) = 1.268/16
Minimum fillet weld size :
At shear only load case = 0.08 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 )
= 0.315 * 65.000 / ( 70.000 * 1.000 * 0.088 )
= 3.309
Dmax3 = project max fillet weld = 12.000
Dmax=min(Dmax1, Dmax2, Dmax3) = min(3.940, 3.309, 12.000)
= 3.309
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 * (3.31 + 3.31) = 52.21 kips
52.21 kips >= Vbm = 20.00 kips (OK) |