BOLT BEARING AT BEAM AND SHEAR PLATE SIDE
Vertical Shear Only Load Case:
ICR cordinate relative to CG = (7.87, 0.00)
At Row 1, At Column 1:
Ribolt = 39.32 kips
Ri vector at Beam = <19.51, 34.13>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 2.92 in.
(phi)Rnsbm at Beam spacing = (phi) * hf1 * Lcs * (tw/# shear planes) * Fu = na
(phi)Rnebm at Beam edge = (phi) * hf1 * Lce * (tw/# shear planes) * Fu = 0.75 * 1.20 * 2.92 * (0.28/1) * 65.00 = 47.05 kips/bolt
(phi)Rndbm on Beam at Bolt Diameter = (phi) * hf2 * db * (tw/# shear planes) * Fu = 0.75 * 2.40 * 1.00 * (0.28/1) * 65.00 = 32.18 kips/bolt
Beam bearing capacity, (phi)Rnbm = min((phi)Rnsbm,(phi)Rnebm,(phi)Rndbm) = min(na, 47.05, 32.18) = 32.18 kips/bolt
Ri vector at Shear Plate = <-19.51, -34.13>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 4.68 in.
(phi)Rnsshpl at Shear Plate spacing = (phi) * hf1 * Lcs * t * Fu = na
(phi)Rneshpl at Shear Plate edge = (phi) * hf1 * Lce * t * Fu = 0.75 * 1.20 * 4.68 * 0.38 * 65.00 = 102.60 kips/bolt
(phi)Rndshpl on Shear Plate at Bolt Diameter = (phi) * hf2 * db * t * Fu = 0.75 * 2.40 * 1.00 * 0.38 * 65.00 = 43.88 kips/bolt
Shear Plate bearing capacity, (phi)Rnshpl = min((phi)Rnsshpl,(phi)Rneshpl,(phi)Rndshpl) = min(na, 102.60, 43.88) = 43.88 kips/bolt
(phi)Rn = min((phi)Rnbm, (phi)Rnshpl) = min(32.18, 43.88) = 32.18 kips/bolt
Bolt Shear Demand to Bearing ratio = 32.18 / 39.32 = 0.82
At Row 2, At Column 1:
Ribolt = 38.95 kips
Ri vector at Beam = <7.29, 38.26>
Lcsbm at Beam spacing = 1.94 in.
Lcebm at Beam edge = 4.56 in.
(phi)Rnsbm at Beam spacing = (phi) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.75 * 1.20 * 1.94 * (0.28/1) * 65.00 = 31.17 kips/bolt
(phi)Rnebm at Beam edge = (phi) * hf1 * Lce * (tw/# shear planes) * Fu = 0.75 * 1.20 * 4.56 * (0.28/1) * 65.00 = 73.34 kips/bolt
(phi)Rndbm on Beam at Bolt Diameter = (phi) * hf2 * db * (tw/# shear planes) * Fu = 0.75 * 2.40 * 1.00 * (0.28/1) * 65.00 = 32.18 kips/bolt
Beam bearing capacity, (phi)Rnbm = min((phi)Rnsbm,(phi)Rnebm,(phi)Rndbm) = min(31.17, 73.34, 32.18) = 31.17 kips/bolt
Ri vector at Shear Plate = <-7.29, -38.26>
Lcsshpl at Shear Plate spacing = 1.94 in.
Lceshpl at Shear Plate edge = 7.09 in.
(phi)Rnsshpl at Shear Plate spacing = (phi) * hf1 * Lcs * t * Fu = 0.75 * 1.20 * 1.94 * 0.38 * 65.00 = 42.50 kips/bolt
(phi)Rneshpl at Shear Plate edge = (phi) * hf1 * Lce * t * Fu = 0.75 * 1.20 * 7.09 * 0.38 * 65.00 = 155.63 kips/bolt
(phi)Rndshpl on Shear Plate at Bolt Diameter = (phi) * hf2 * db * t * Fu = 0.75 * 2.40 * 1.00 * 0.38 * 65.00 = 43.88 kips/bolt
Shear Plate bearing capacity, (phi)Rnshpl = min((phi)Rnsshpl,(phi)Rneshpl,(phi)Rndshpl) = min(42.50, 155.63, 43.88) = 42.50 kips/bolt
(phi)Rn = min((phi)Rnbm, (phi)Rnshpl) = min(31.17, 42.50) = 31.17 kips/bolt
Bolt Shear Demand to Bearing ratio = 31.17 / 38.95 = 0.80
At Row 3, At Column 1:
Ribolt = 38.95 kips
Ri vector at Beam = <-7.29, 38.26>
Lcsbm at Beam spacing = 1.94 in.
Lcebm at Beam edge = 7.61 in.
(phi)Rnsbm at Beam spacing = (phi) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.75 * 1.20 * 1.94 * (0.28/1) * 65.00 = 31.17 kips/bolt
(phi)Rnebm at Beam edge = (phi) * hf1 * Lce * (tw/# shear planes) * Fu = 0.75 * 1.20 * 7.61 * (0.28/1) * 65.00 = 122.47 kips/bolt
(phi)Rndbm on Beam at Bolt Diameter = (phi) * hf2 * db * (tw/# shear planes) * Fu = 0.75 * 2.40 * 1.00 * (0.28/1) * 65.00 = 32.18 kips/bolt
Beam bearing capacity, (phi)Rnbm = min((phi)Rnsbm,(phi)Rnebm,(phi)Rndbm) = min(31.17, 122.47, 32.18) = 31.17 kips/bolt
Ri vector at Shear Plate = <7.29, -38.26>
Lcsshpl at Shear Plate spacing = 1.94 in.
Lceshpl at Shear Plate edge = 4.04 in.
(phi)Rnsshpl at Shear Plate spacing = (phi) * hf1 * Lcs * t * Fu = 0.75 * 1.20 * 1.94 * 0.38 * 65.00 = 42.50 kips/bolt
(phi)Rneshpl at Shear Plate edge = (phi) * hf1 * Lce * t * Fu = 0.75 * 1.20 * 4.04 * 0.38 * 65.00 = 88.63 kips/bolt
(phi)Rndshpl on Shear Plate at Bolt Diameter = (phi) * hf2 * db * t * Fu = 0.75 * 2.40 * 1.00 * 0.38 * 65.00 = 43.88 kips/bolt
Shear Plate bearing capacity, (phi)Rnshpl = min((phi)Rnsshpl,(phi)Rneshpl,(phi)Rndshpl) = min(42.50, 88.63, 43.88) = 42.50 kips/bolt
(phi)Rn = min((phi)Rnbm, (phi)Rnshpl) = min(31.17, 42.50) = 31.17 kips/bolt
Bolt Shear Demand to Bearing ratio = 31.17 / 38.95 = 0.80
At Row 4, At Column 1:
Ribolt = 39.32 kips
Ri vector at Beam = <-19.52, 34.13>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 3.50 in.
(phi)Rnsbm at Beam spacing = (phi) * hf1 * Lcs * (tw/# shear planes) * Fu = na
(phi)Rnebm at Beam edge = (phi) * hf1 * Lce * (tw/# shear planes) * Fu = 0.75 * 1.20 * 3.50 * (0.28/1) * 65.00 = 56.27 kips/bolt
(phi)Rndbm on Beam at Bolt Diameter = (phi) * hf2 * db * (tw/# shear planes) * Fu = 0.75 * 2.40 * 1.00 * (0.28/1) * 65.00 = 32.18 kips/bolt
Beam bearing capacity, (phi)Rnbm = min((phi)Rnsbm,(phi)Rnebm,(phi)Rndbm) = min(na, 56.27, 32.18) = 32.18 kips/bolt
Ri vector at Shear Plate = <19.52, -34.13>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 1.12 in.
(phi)Rnsshpl at Shear Plate spacing = (phi) * hf1 * Lcs * t * Fu = na
(phi)Rneshpl at Shear Plate edge = (phi) * hf1 * Lce * t * Fu = 0.75 * 1.20 * 1.12 * 0.38 * 65.00 = 24.48 kips/bolt
(phi)Rndshpl on Shear Plate at Bolt Diameter = (phi) * hf2 * db * t * Fu = 0.75 * 2.40 * 1.00 * 0.38 * 65.00 = 43.88 kips/bolt
Shear Plate bearing capacity, (phi)Rnshpl = min((phi)Rnsshpl,(phi)Rneshpl,(phi)Rndshpl) = min(na, 24.48, 43.88) = 24.48 kips/bolt
(phi)Rn = min((phi)Rnbm, (phi)Rnshpl) = min(32.18, 24.48) = 24.48 kips/bolt
Bolt Shear Demand to Bearing ratio = 24.48 / 39.32 = 0.62
Min Bolt Shear Demand to Bearing ratio Beam and Shear Plate for vertical shear only
= min(1.00, 0.82, 0.80, 0.80, 0.62) = 0.62
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 = 0.62 * 144.79 = 90.16 kips
Rbv = 90.16 kips >= Reaction V = 30.00 kips (OK) |
Web Depth = d - [Top Cope Depth] - [Bottom Cope Depth] = 15.90 - 1.00 - 0.00 = 14.90 in.
Using AISC 14th Ed. Equation J4-3
Gross Area (Shear), Agross = [Web Depth] * tw = 14.90 * 0.28 = 4.10 in^2
Shear Yielding, (phi)Vny = (phi) * 0.6 * Fybeam * Agross = 1.00 * 0.6 * 50.00 * 4.10 = 122.93 kips
122.93 kips >= Reaction V = 30.00 kips (OK)
Using AISC 14th Ed. Equation J4-4
Net Area (Shear), Anet = ([Web Depth] - ([# rows] * [Diameter + 0.06])) * tw
= (14.90 - (4 * 1.12)) * 0.28 = 2.86 in^2
Shear Rupture, (phi)Vnu = (phi) * 0.6 * Fubeam * Anet = 0.75 * 0.6 * 65.00 * 2.86 = 83.66 kips
83.66 kips >= Reaction V = 30.00 kips (OK)
Check Vertical Block Shear
Using AISC 14th Ed. Equation J4-5
Block Shear = {(phi) * ((0.6 * Fu * Anv) + (Ubs * Fu * Ant))} <= {(phi) * ((0.6 * Fy * Agv) + (Ubs * Fu * Ant))}
Block Shear (1)
Gross Shear Length = [edge dist. at beam edge] + ([# rows - 1] * [spacing]) = 2.00 + 9.00 = 11.00 in.
Net Shear Length = Gross Shear Length - (# rows - 0.5) * (hole size + 0.06) = 11.00 - (4 - 0.5) * 1.12 = 7.06 in.
Gross Tension Length = [edge dist. at beam edge] + ([# cols - 1] * [spacing]) = 2.00 + (1 - 1) * 3.00 = 2.00 in.
Net Tension Length = Gross Tension Length - (# cols - 0.5) * (hole size + 0.06) = 2.00 - (1 - 0.5) * 1.12 = 1.44 in.
1. (phi) * [material thickness] * ((0.60 * Fubeam* [net shear length]) + (Ubs * Fubeam * [net tension length]))
= 0.75 * 0.28 * ((0.60 * 65.00 * 7.06) + (1.00 * 65.00 * 1.44)) = 76.08 kips
2. (phi) * [material thickness] * ((0.60 * Fybeam * [gross shear length]) + (Ubs * Fubeam * [net tension length]))
= 0.75 * 0.28 * ((0.60 * 50.00 * 11.00) + (1.00 * 65.00 * 1.44)) = 87.34 kips
Block Shear = 76.08 kips
Block Shear (1) Total = Block Shear (1) = 76.08 kips
76.08 kips >= Reaction V = 30.00 kips (OK)
Block Shear for Axial T/C is not required.
Buckling and Flexure at Longest Cope (Top Cope Only at Section)
Eccentricity at Section, e = 3.83 in.
If coped at top/bottom flange only and c <= 2d and dc <= d/2, use AISC 14th Ed. Equation 9-7, Fcr = 26210.00 * f * k * (tw/h1)^2 <= Fy
Using AISC Equations 9-7 through 9-11
tw = 0.28 in.
h1 = 10.06 in.
c = 3.00 in.
When c/h1<=1.0, k=2.2(h1/c)^1.65
k = 2.20 * (10.06 / 3.00)^1.65 = 16.19
When c/d<=1.0, f=2c/d
f = 2 * (3.00 / 15.90) = 0.38
Fy = 50.00 ksi
Fcr = (phi) * 26210.00 * f * k * (tw/h1)^2 = 0.90 * 26210.00 * 0.38 * 16.19 * (0.28 / 10.06)^2 = 107.75 ksi
Fcrmin =phi * min(Fcr, Fy) = 45.00 ksi
Snet1 (bolt holes not applicable) = 15.22 in^3
Snet2 (bolt holes applicable) = 15.22 in^3
Znet1 (bolt holes not applicable) = 27.12 in^3
Znet2 (bolt holes applicable) = 27.12 in^3
Using AISC 14th Ed. Equation 9-6
Buckling = Fcr * Snet1 / e = 45.00 * 15.22 / 3.83 = 178.81 kips
Using AISC 14th Ed. Equation 9-19
Flexural Yielding = (phi) * Fy * Snet1 / e = 0.90 * 50.00 * 15.22 / 3.83 = 178.81 kips
Using AISC 14th Ed. Equation 9-4
Flexural Rupture = (phi) * Fu * Znet2 / e = 0.75 * 65.00 * 27.12 / 3.83 = 345.12 kips
Buckling and Flexure at Furthest Bolt Line within Cope (Top Cope Only at Section)
Eccentricity at Section, e = 2.83 in.
If coped at top/bottom flange only and c <= 2d and dc <= d/2, use AISC 14th Ed. Equation 9-7, Fcr = 26210.00 * f * k * (tw/h1)^2 <= Fy
Using AISC Equations 9-7 through 9-11
tw = 0.28 in.
h1 = 10.91 in.
c = 3.00 in.
When c/h1<=1.0, k=2.2(h1/c)^1.65
k = 2.20 * (10.91 / 3.00)^1.65 = 18.52
When c/d<=1.0, f=2c/d
f = 2 * (3.00 / 15.90) = 0.38
Fy = 50.00 ksi
Fcr = (phi) * 26210.00 * f * k * (tw/h1)^2 = 0.90 * 26210.00 * 0.38 * 18.52 * (0.28 / 10.91)^2 = 104.73 ksi
Fcrmin =phi * min(Fcr, Fy) = 45.00 ksi
Snet1 (bolt holes not applicable) = 15.22 in^3
Snet2 (bolt holes applicable) = 10.97 in^3
Znet1 (bolt holes not applicable) = 27.12 in^3
Znet2 (bolt holes applicable) = 19.35 in^3
Using AISC 14th Ed. Equation 9-6
Buckling = Fcr * Snet1 / e = 45.00 * 15.22 / 2.83 = 241.97 kips
Using AISC 14th Ed. Equation 9-19
Flexural Yielding = (phi) * Fy * Snet1 / e = 0.90 * 50.00 * 15.22 / 2.83 = 241.97 kips
Using AISC 14th Ed. Equation 9-4
Flexural Rupture = (phi) * Fu * Znet2 / e = 0.75 * 65.00 * 19.35 / 2.83 = 333.22 kips
Section Bending Strength Calculations Summary:
Coped Beam Buckling and Flexure at Longest Cope (Top Cope Only at Section)
Buckling : 178.81 >= 30.00 kips (OK)
Flexural Yielding : 178.81 >= 30.00 kips (OK)
Flexural Rupture : 345.12 >= 30.00 kips (OK)
Coped Beam Buckling and Flexure at Furthest Bolt Line within Cope (Top Cope Only at Section)
Buckling : 241.97 >= 30.00 kips (OK)
Flexural Yielding : 241.97 >= 30.00 kips (OK)
Flexural Rupture : 333.22 >= 30.00 kips (OK) |
WELD:
Weld Requirements:
At shear only case:
Weld Length for shear, Lv = 12.00 in.
Shear Load per inch per weld, fv = R/Lv/2 = 30.00 / 12.00 / 2 = 1.25 kips/in/ weld
theta = 0 deg.
cPhi = 1.0 + 0.5 * sin(0)^1.5 = 1.00
Weld Coefficient = 0.60 * 70.00 * 1.00 * 1.00 * (2^0.5/2)*(1/16) = 1.86
Required weld size, Dv = fv/ (phi * coeff) = 1.25 / (0.75 * 1.86) = 0.90/16
Minimum fillet weld size :
At shear only load case = 0.06 in.
per Table J2.4 = 0.19 in.
5/8tp = 0.23 in.
user preference = 0.25 in.
Dmax1 (using AISC 14th Ed. eqn 9-3)
= tshpl * Fushpl / ( Fexx * C1 * 0.09)
= 0.38 * 65.00 / ( 70.00 * 1.00 * 0.09 )
= 3.94
Dmax2 (using AISC 14th Ed. eqn 9-3)
= twbm * Fusupport / ( Fexx * C1 * 0.09 )
= 0.30 * 65.00 / ( 70.00 * 1.00 * 0.09 )
= 3.15
Dmax3 = project max fillet weld = 12.00
Dmax=min(Dmax1, Dmax2, Dmax3) = min(3.94, 3.15, 12.00)
= 3.15
Dihedral Angle, DA = 74.90 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, phi * Rnv1 = 0.75 * 1.86 * 12.00 * (3.15 + 3.15) = 105.30 kips
105.30 kips >= Reaction V = 30.00 kips (OK)
Check Effective Throat:
Acute Side Effect throat = (D1/sin(DA)) * cos(DA/2) = (0.25/ sin( 74.90)) * cos( 37.45) = 0.21 in.
Obtuse Side Effect throat = (D2/sin(DA)-tshpl/tan(DA))*sin(DA/2) = (0.38 / sin(74.90) - 0.38 / tan(74.90)) * sin(74.90 / 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) |