BOLT BEARING AT BEAM AND SHEAR PLATE SIDE
Vertical Shear Only Load Case:
ICR cordinate relative to CG = (9.68, 0.00)
At Row 1, At Column 1:
Ribolt = 23.90 kips
Ri vector at Beam = <10.08, 21.67>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 1.46 in.
(phi)Rnsbm at Beam spacing = (phi) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.75 * 1.20 * na * (0.43/1) * 65.00 = na
(phi)Rnebm at Beam edge = (phi) * hf1 * Lce * (tw/# shear planes) * Fu = 0.75 * 1.20 * 1.46 * (0.43/1) * 65.00 = 36.76 kips/bolt
(phi)Rndbm on Beam at Bolt Diameter = (phi) * hf2 * db * (tw/# shear planes) * Fu = 0.75 * 2.40 * 0.88 * (0.43/1) * 65.00 = 44.02 kips/bolt
Beam bearing capacity, (phi)Rnbm = min((phi)Rnsbm,(phi)Rnebm,(phi)Rndbm) = min(na, 36.76, 44.02) = 36.76 kips/bolt
Ri vector at Shear Plate = <-10.08, -21.67>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 4.82 in.
(phi)Rnsshpl at Shear Plate spacing = (phi) * hf1 * Lcs * t * Fu = 0.75 * 1.20 * na * 0.38 * 65.00 = na
(phi)Rneshpl at Shear Plate edge = (phi) * hf1 * Lce * t * Fu = 0.75 * 1.20 * 4.82 * 0.38 * 65.00 = 105.72 kips/bolt
(phi)Rndshpl on Shear Plate at Bolt Diameter = (phi) * hf2 * db * t * Fu = 0.75 * 2.40 * 0.88 * 0.38 * 65.00 = 38.39 kips/bolt
Shear Plate bearing capacity, (phi)Rnshpl = min((phi)Rnsshpl,(phi)Rneshpl,(phi)Rndshpl) = min(na, 105.72, 38.39) = 38.39 kips/bolt
(phi)Rn = min((phi)Rnbm, (phi)Rnshpl) = min(36.758, 38.392) = 36.76 kips/bolt
Bolt Shear Demand to Bearing ratio = 36.76 / 23.90 = 1.54
At Row 2, At Column 1:
Ribolt = 23.76 kips
Ri vector at Beam = <3.64, 23.48>
Lcsbm at Beam spacing = 2.06 in.
Lcebm at Beam edge = 4.34 in.
(phi)Rnsbm at Beam spacing = (phi) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.75 * 1.20 * 2.06 * (0.43/1) * 65.00 = 51.88 kips/bolt
(phi)Rnebm at Beam edge = (phi) * hf1 * Lce * (tw/# shear planes) * Fu = 0.75 * 1.20 * 4.34 * (0.43/1) * 65.00 = 109.12 kips/bolt
(phi)Rndbm on Beam at Bolt Diameter = (phi) * hf2 * db * (tw/# shear planes) * Fu = 0.75 * 2.40 * 0.88 * (0.43/1) * 65.00 = 44.02 kips/bolt
Beam bearing capacity, (phi)Rnbm = min((phi)Rnsbm,(phi)Rnebm,(phi)Rndbm) = min(51.88, 109.12, 44.02) = 44.02 kips/bolt
Ri vector at Shear Plate = <-3.64, -23.48>
Lcsshpl at Shear Plate spacing = 2.06 in.
Lceshpl at Shear Plate edge = 6.86 in.
(phi)Rnsshpl at Shear Plate spacing = (phi) * hf1 * Lcs * t * Fu = 0.75 * 1.20 * 2.06 * 0.38 * 65.00 = 45.25 kips/bolt
(phi)Rneshpl at Shear Plate edge = (phi) * hf1 * Lce * t * Fu = 0.75 * 1.20 * 6.86 * 0.38 * 65.00 = 150.54 kips/bolt
(phi)Rndshpl on Shear Plate at Bolt Diameter = (phi) * hf2 * db * t * Fu = 0.75 * 2.40 * 0.88 * 0.38 * 65.00 = 38.39 kips/bolt
Shear Plate bearing capacity, (phi)Rnshpl = min((phi)Rnsshpl,(phi)Rneshpl,(phi)Rndshpl) = min(45.25, 150.54, 38.39) = 38.39 kips/bolt
(phi)Rn = min((phi)Rnbm, (phi)Rnshpl) = min(44.022, 38.392) = 38.39 kips/bolt
Bolt Shear Demand to Bearing ratio = 38.39 / 23.76 = 1.62
At Row 3, At Column 1:
Ribolt = 23.76 kips
Ri vector at Beam = <-3.64, 23.48>
Lcsbm at Beam spacing = 2.06 in.
Lcebm at Beam edge = 7.37 in.
(phi)Rnsbm at Beam spacing = (phi) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.75 * 1.20 * 2.06 * (0.43/1) * 65.00 = 51.88 kips/bolt
(phi)Rnebm at Beam edge = (phi) * hf1 * Lce * (tw/# shear planes) * Fu = 0.75 * 1.20 * 7.37 * (0.43/1) * 65.00 = 185.49 kips/bolt
(phi)Rndbm on Beam at Bolt Diameter = (phi) * hf2 * db * (tw/# shear planes) * Fu = 0.75 * 2.40 * 0.88 * (0.43/1) * 65.00 = 44.02 kips/bolt
Beam bearing capacity, (phi)Rnbm = min((phi)Rnsbm,(phi)Rnebm,(phi)Rndbm) = min(51.88, 185.49, 44.02) = 44.02 kips/bolt
Ri vector at Shear Plate = <3.64, -23.48>
Lcsshpl at Shear Plate spacing = 2.06 in.
Lceshpl at Shear Plate edge = 3.83 in.
(phi)Rnsshpl at Shear Plate spacing = (phi) * hf1 * Lcs * t * Fu = 0.75 * 1.20 * 2.06 * 0.38 * 65.00 = 45.25 kips/bolt
(phi)Rneshpl at Shear Plate edge = (phi) * hf1 * Lce * t * Fu = 0.75 * 1.20 * 3.83 * 0.38 * 65.00 = 83.94 kips/bolt
(phi)Rndshpl on Shear Plate at Bolt Diameter = (phi) * hf2 * db * t * Fu = 0.75 * 2.40 * 0.88 * 0.38 * 65.00 = 38.39 kips/bolt
Shear Plate bearing capacity, (phi)Rnshpl = min((phi)Rnsshpl,(phi)Rneshpl,(phi)Rndshpl) = min(45.25, 83.94, 38.39) = 38.39 kips/bolt
(phi)Rn = min((phi)Rnbm, (phi)Rnshpl) = min(44.022, 38.392) = 38.39 kips/bolt
Bolt Shear Demand to Bearing ratio = 38.39 / 23.76 = 1.62
At Row 4, At Column 1:
Ribolt = 23.90 kips
Ri vector at Beam = <-10.08, 21.67>
Lcsbm at Beam spacing = na
Lcebm at Beam edge = 3.68 in.
(phi)Rnsbm at Beam spacing = (phi) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.75 * 1.20 * na * (0.43/1) * 65.00 = na
(phi)Rnebm at Beam edge = (phi) * hf1 * Lce * (tw/# shear planes) * Fu = 0.75 * 1.20 * 3.68 * (0.43/1) * 65.00 = 92.59 kips/bolt
(phi)Rndbm on Beam at Bolt Diameter = (phi) * hf2 * db * (tw/# shear planes) * Fu = 0.75 * 2.40 * 0.88 * (0.43/1) * 65.00 = 44.02 kips/bolt
Beam bearing capacity, (phi)Rnbm = min((phi)Rnsbm,(phi)Rnebm,(phi)Rndbm) = min(na, 92.59, 44.02) = 44.02 kips/bolt
Ri vector at Shear Plate = <10.08, -21.67>
Lcsshpl at Shear Plate spacing = na
Lceshpl at Shear Plate edge = 0.86 in.
(phi)Rnsshpl at Shear Plate spacing = (phi) * hf1 * Lcs * t * Fu = 0.75 * 1.20 * na * 0.38 * 65.00 = na
(phi)Rneshpl at Shear Plate edge = (phi) * hf1 * Lce * t * Fu = 0.75 * 1.20 * 0.86 * 0.38 * 65.00 = 18.90 kips/bolt
(phi)Rndshpl on Shear Plate at Bolt Diameter = (phi) * hf2 * db * t * Fu = 0.75 * 2.40 * 0.88 * 0.38 * 65.00 = 38.39 kips/bolt
Shear Plate bearing capacity, (phi)Rnshpl = min((phi)Rnsshpl,(phi)Rneshpl,(phi)Rndshpl) = min(na, 18.90, 38.39) = 18.90 kips/bolt
(phi)Rn = min((phi)Rnbm, (phi)Rnshpl) = min(44.022, 18.903) = 18.90 kips/bolt
Bolt Shear Demand to Bearing ratio = 18.90 / 23.90 = 0.79
Min Bolt Shear Demand to Bearing ratio Beam and Shear Plate for vertical shear only
= min(1.00, 1.54, 1.62, 1.62, 0.79) = 0.79
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 = 0.79 * 90.30 = 71.41 kips
Rbv = 71.41 kips >= Reaction V = 52.10 kips (OK) |
Web Depth = d - [Top Cope Depth] - [Bottom Cope Depth] = 23.7 - 1.5 - 0 = 22.2 in.
Gross Area (Shear) = [Web Depth] * tw = 22.20 * 0.43 = 9.55 in^2
Net Shear Area (Shear) = ([Web Depth] - ([# rows] * [Diameter + 0.0625])) * tw
= (22.20 - (4 * 1.00)) * 0.43 = 7.83 in^2
Using Eq.J4-3:
Shear Yielding = (phi) * 0.6 * Fybeam * [Gross Area] = 1.00 * 0.6 * 50.00 * 9.55 = 286.38 kips
Using Eq.J4-4:
Shear Rupture = (phi) * 0.6 * Fubeam * [Net Area] = 0.75 * 0.6 * 65.00 * 7.83 = 228.92 kips
Block Shear
Using Eq.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]) = 1.75 + 9 = 10.75 in.
Net Shear Length = Gross Shear Length - (# rows - 0.5) * (hole size + 0.0625) = 10.8 - (4 - 0.5) * 1 = 7.25 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. (phi) * [material thickness] * ((0.60 * Fubeam* [net shear length]) + (Ubs * Fubeam * [net tension length]))
= 0.75 * 0.43 * ((0.60 * 65.00 * 7.25) + (1.00 * 65.00 * 1.25)) = 117.39 kips
2. (phi) * [material thickness] * ((0.60 * Fybeam * [gross shear length]) + (Ubs * Fubeam * [net tension length]))
= 0.75 * 0.43 * ((0.60 * 50.00 * 10.75) + (1.00 * 65.00 * 1.25)) = 130.21 kips
Block Shear = 117.39 kips
Block Shear (1) Total = Block Shear (1) = 117.39 kips
117.39 kips >= Reaction V = 52.10 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 = 5.77 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 = 0.43 in.
h1 = 14.23 in.
c = 5.00 in.
When c/h1<=1.0, k=2.2(h1/c)^1.65
k = 2.20 * (14.23 / 5.00)^1.65 = 12.36
When c/d<=1.0, f=2c/d
f = 2 * (5.00 / 23.70) = 0.42
Fy = 50.00 ksi
Fcr = (phi) * 26210.00 * f * k * (tw/h1)^2 = 0.90 * 26210.00 * 0.42 * 12.36 * (0.43 / 14.23)^2 = 112.29 ksi
Fcrmin =phi * min(Fcr, Fy) = 45.00 ksi
Snet1 (bolt holes not applicable) = 50.26 in^3
Snet2 (bolt holes applicable) = 50.26 in^3
Znet = 86.28 in^3
Using Eq. 9-6
Buckling = Fcr * Snet1 / e = 45.00 * 50.26 / 5.77 = 391.82 kips
Using Eq. 9-19
Flexural Yielding = (phi) * Fy * Snet1 / e = 0.90 * 50.00 * 50.26 / 5.77 = 391.82 kips
Using Eq. 9-4
Flexural Rupture = (phi) * Fu * Znet / e = 0.75 * 65.00 * 86.28 / 5.77 = 728.64 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 = 0.43 in.
h1 = 15.41 in.
c = 5.00 in.
When c/h1<=1.0, k=2.2(h1/c)^1.65
k = 2.20 * (15.41 / 5.00)^1.65 = 14.09
When c/d<=1.0, f=2c/d
f = 2 * (5.00 / 23.70) = 0.42
Fy = 50.00 ksi
Fcr = (phi) * 26210.00 * f * k * (tw/h1)^2 = 0.90 * 26210.00 * 0.42 * 14.09 * (0.43 / 15.41)^2 = 109.23 ksi
Fcrmin =phi * min(Fcr, Fy) = 45.00 ksi
Snet1 (bolt holes not applicable) = 50.26 in^3
Snet2 (bolt holes applicable) = 37.01 in^3
Znet = 68.41 in^3
Using Eq. 9-6
Buckling = Fcr * Snet1 / e = 45.00 * 50.26 / 2.52 = 896.63 kips
Using Eq. 9-19
Flexural Yielding = (phi) * Fy * Snet1 / e = 0.90 * 50.00 * 50.26 / 2.52 = 896.63 kips
Using Eq. 9-4
Flexural Rupture = (phi) * Fu * Znet / e = 0.75 * 65.00 * 68.41 / 2.52 = 1322.21 kips
Section Bending Strength Calculations Summary:
Coped Beam Buckling and Flexure at Longest Cope (Top Cope Only at Section)
Buckling : 391.82 >= 52.10 kips (OK)
Flexural Yielding : 391.82 >= 52.10 kips (OK)
Flexural Rupture : 728.64 >= 52.10 kips (OK)
Coped Beam Buckling and Flexure at Furthest Bolt Line within Cope (Top Cope Only at Section)
Buckling : 896.63 >= 52.10 kips (OK)
Flexural Yielding : 896.63 >= 52.10 kips (OK)
Flexural Rupture : 1322.21 >= 52.10 kips (OK) |