BOLT BEARING AT BEAM AND ANGLE SIDE
Vertical Shear Only Load Case:
At Row 1, At Column 1:
(1/omega)Rnbolt = 16.24 kips
Lcsbm at Beam spacing = 3.56 in.
Lcebm at Beam edge = 1.28 in.
(1/omega)Rnsbm at Beam spacing = (1/omega) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.50 * 1.20 * 3.56 * (0.30/1) * 65.00 = 42.38 kips/bolt
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 1.28 * (0.30/1) * 65.00 = 15.24 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.30/1) * 65.00 = 20.82 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(42.38, 15.24, 20.82) = 15.24 kips/bolt
Lcsang1 at Angle 1 spacing = 3.56 in.
Lceang1 at Angle 1 edge = 5.28 in.
(1/omega)Rnsang1 at Angle 1 spacing = (1/omega) * hf1 * Lcs * t * Fu = 0.50 * 1.20 * 3.56 * 0.38 * 65.00 = 52.10 kips/bolt
(1/omega)Rneang1 at Angle 1 edge = (1/omega) * hf1 * Lce * t * Fu = 0.50 * 1.20 * 5.28 * 0.38 * 65.00 = 77.24 kips/bolt
(1/omega)Rndang1 on Angle 1 at Bolt Diameter = (1/omega) * hf2 * db * t * Fu = 0.50 * 2.40 * 0.88 * 0.38 * 65.00 = 25.59 kips/bolt
Angle 1 bearing capacity, (1/omega)Rnang1 = min((1/omega)Rnsang1,(1/omega)Rneang1,(1/omega)Rndang1) = min(52.10, 77.24, 25.59) = 25.59 kips/bolt
(1/omega)Rn = min((1/omega)Rnbolt, (1/omega)Rnbm, (1/omega)Rnang1) = min(16.24, 15.240, 25.594) = 15.24 kips/bolt
At Row 2, At Column 1:
(1/omega)Rnbolt = 16.24 kips
Lcsbm at Beam spacing = 3.56 in.
Lcebm at Beam edge = 5.78 in.
(1/omega)Rnsbm at Beam spacing = (1/omega) * hf1 * Lcs * (tw/# shear planes) * Fu = 0.50 * 1.20 * 3.56 * (0.30/1) * 65.00 = 42.38 kips/bolt
(1/omega)Rnebm at Beam edge = (1/omega) * hf1 * Lce * (tw/# shear planes) * Fu = 0.50 * 1.20 * 5.78 * (0.30/1) * 65.00 = 68.77 kips/bolt
(1/omega)Rndbm on Beam at Bolt Diameter = (1/omega) * hf2 * db * (tw/# shear planes) * Fu = 0.50 * 2.40 * 0.88 * (0.30/1) * 65.00 = 20.82 kips/bolt
Beam bearing capacity, (1/omega)Rnbm = min((1/omega)Rnsbm,(1/omega)Rnebm,(1/omega)Rndbm) = min(42.38, 68.77, 20.82) = 20.82 kips/bolt
Lcsang1 at Angle 1 spacing = 3.56 in.
Lceang1 at Angle 1 edge = 0.78 in.
(1/omega)Rnsang1 at Angle 1 spacing = (1/omega) * hf1 * Lcs * t * Fu = 0.50 * 1.20 * 3.56 * 0.38 * 65.00 = 52.10 kips/bolt
(1/omega)Rneang1 at Angle 1 edge = (1/omega) * hf1 * Lce * t * Fu = 0.50 * 1.20 * 0.78 * 0.38 * 65.00 = 11.43 kips/bolt
(1/omega)Rndang1 on Angle 1 at Bolt Diameter = (1/omega) * hf2 * db * t * Fu = 0.50 * 2.40 * 0.88 * 0.38 * 65.00 = 25.59 kips/bolt
Angle 1 bearing capacity, (1/omega)Rnang1 = min((1/omega)Rnsang1,(1/omega)Rneang1,(1/omega)Rndang1) = min(52.10, 11.43, 25.59) = 11.43 kips/bolt
(1/omega)Rn = min((1/omega)Rnbolt, (1/omega)Rnbm, (1/omega)Rnang1) = min(16.24, 20.816, 11.426) = 11.43 kips/bolt
Bearing Capacity at Beam and Angle for vertical shear only
= Sum{ Bearing At [(Row)i,(Column)i] }
= 15.24 + 11.43 = 26.67 kips
BEARING AT BEAM AND ANGLE SIDE SUMMARY:
Bearing Capacity at Vertical Shear Load Only, Rbv = Sum{ [(Row)i,(Column)i] } = 26.67 kips
Rbv = 26.67 kips >= Reaction V = 2.00 kips (OK)
BOLT BEARING AT SUPPORT AND ANGLE SIDE
Vertical Shear Only Load Case:
ICR cordinate relative to CG = (1.49, -0.00)
At Row 1, At Column 1:
Ribolt = 15.94 kips
Ri vector at Support = <-13.30, -8.78>
Lcssupp at Support spacing = na
Lcesupp at Support edge = 31.82 in.
(1/omega)Rnssupp at Support spacing = (1/omega) * hf1 * Lcs * (twsup/# bolt sides supported) * Fu = 0.50 * 1.20 * na * (0.38/1) * 65.00 = na
(1/omega)Rnesupp at Support edge = (1/omega) * hf1 * Lce * (twsup/# bolt sides supported) * Fu = 0.50 * 1.20 * 31.82 * (0.38/1) * 65.00 = 471.62 kips/bolt
(1/omega)Rndsupp on Support at Bolt Diameter = (1/omega) * hf2 * db * (twsup/# bolt sides supported) * Fu = 0.50 * 2.40 * 0.88 * (0.38/1) * 65.00 = 25.94 kips/bolt
Support bearing capacity, (1/omega)Rnsupp = min((1/omega)Rnssupp,(1/omega)Rnesupp,(1/omega)Rndsupp) = min(na, 471.62, 25.94) = 25.94 kips/bolt
Ri vector at Angle = <13.30, 8.78>
Lcsang at Angle spacing = na
Lceang at Angle edge = 1.62 in.
(1/omega)Rnsang at Angle spacing = (1/omega) * hf1 * Lcs * t * Fu = 0.50 * 1.20 * na * 0.38 * 65.00 = na
(1/omega)Rneang at Angle edge = (1/omega) * hf1 * Lce * t * Fu = 0.50 * 1.20 * 1.62 * 0.38 * 65.00 = 23.75 kips/bolt
(1/omega)Rndang on Angle at Bolt Diameter = (1/omega) * hf2 * db * t * Fu = 0.50 * 2.40 * 0.88 * 0.38 * 65.00 = 25.59 kips/bolt
Angle bearing capacity, (1/omega)Rnang = min((1/omega)Rnsang,(1/omega)Rneang,(1/omega)Rndang) = min(na, 23.75, 25.59) = 23.75 kips/bolt
(1/omega)Rn = min((1/omega)Rnsupp, (1/omega)Rnang) = min(25.935, 23.754) = 23.75 kips/bolt
Bolt Shear Demand to Bearing ratio = 23.75 / 15.94 = 1.49
At Row 2, At Column 1:
Ribolt = 15.94 kips
Ri vector at Support = <13.30, -8.78>
Lcssupp at Support spacing = na
Lcesupp at Support edge = 23.66 in.
(1/omega)Rnssupp at Support spacing = (1/omega) * hf1 * Lcs * (twsup/# bolt sides supported) * Fu = 0.50 * 1.20 * na * (0.38/1) * 65.00 = na
(1/omega)Rnesupp at Support edge = (1/omega) * hf1 * Lce * (twsup/# bolt sides supported) * Fu = 0.50 * 1.20 * 23.66 * (0.38/1) * 65.00 = 350.63 kips/bolt
(1/omega)Rndsupp on Support at Bolt Diameter = (1/omega) * hf2 * db * (twsup/# bolt sides supported) * Fu = 0.50 * 2.40 * 0.88 * (0.38/1) * 65.00 = 25.94 kips/bolt
Support bearing capacity, (1/omega)Rnsupp = min((1/omega)Rnssupp,(1/omega)Rnesupp,(1/omega)Rndsupp) = min(na, 350.63, 25.94) = 25.94 kips/bolt
Ri vector at Angle = <-13.30, 8.78>
Lcsang at Angle spacing = na
Lceang at Angle edge = 3.43 in.
(1/omega)Rnsang at Angle spacing = (1/omega) * hf1 * Lcs * t * Fu = 0.50 * 1.20 * na * 0.38 * 65.00 = na
(1/omega)Rneang at Angle edge = (1/omega) * hf1 * Lce * t * Fu = 0.50 * 1.20 * 3.43 * 0.38 * 65.00 = 50.18 kips/bolt
(1/omega)Rndang on Angle at Bolt Diameter = (1/omega) * hf2 * db * t * Fu = 0.50 * 2.40 * 0.88 * 0.38 * 65.00 = 25.59 kips/bolt
Angle bearing capacity, (1/omega)Rnang = min((1/omega)Rnsang,(1/omega)Rneang,(1/omega)Rndang) = min(na, 50.18, 25.59) = 25.59 kips/bolt
(1/omega)Rn = min((1/omega)Rnsupp, (1/omega)Rnang) = min(25.935, 25.594) = 25.59 kips/bolt
Bolt Shear Demand to Bearing ratio = 25.59 / 15.94 = 1.61
Min Bolt Shear Demand to Bearing ratio Support and Angle for vertical shear only
= min(1.00, 1.49, 1.61) = 1.00
BEARING AT SUPPORT AND ANGLE SUMMARY:
Bearing Capacity at Vertical Shear Load Only, Rbv = Min Bolt Shear Demand to Bearing Ratio * Bolt Shear = 1.00 * 17.57 = 17.57 kips
17.57 kips >= 2.00 kips (OK) |
Web Depth = d - [Top Cope Depth] - [Bottom Cope Depth] = 16 - 1.25 - 0 = 14.75 in.
Gross Area (Shear) = [Web Depth] * tw = 14.75 * 0.30 = 4.50 in^2
Net Shear Area (Shear) = ([Web Depth] - ([# rows] * [Diameter + 0.0625])) * tw
= (14.75 - (2 * 1.00)) * 0.30 = 3.89 in^2
Using Eq.J4-3:
Shear Yielding = (1/omega) * 0.6 * Fybeam * [Gross Area] = 0.67 * 0.6 * 50.00 * 4.50 = 89.98 kips
Using Eq.J4-4:
Shear Rupture = (1/omega) * 0.6 * Fubeam * [Net Area] = 0.50 * 0.6 * 65.00 * 3.89 = 75.83 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]) = 1.75 + 4.5 = 6.25 in.
Net Shear Length = Gross Shear Length - (# rows - 0.5) * (hole size + 0.0625) = 6.25 - (2 - 0.5) * 1 = 4.75 in.
Gross Tension Length = [edge dist. at beam edge] + ([# cols - 1] * [spacing]) = 1.5 + (1 - 1) * 3 = 1.50 in.
Net Tension Length = Gross Tension Length - (# cols - 0.5) * (hole size + 0.0625) = 1.5 - (1 - 0.5) * 1 = 1.00 in.
1. (1/omega) * [material thickness] * ((0.60 * Fubeam* [net shear length]) + (Ubs * Fubeam * [net tension length]))
= 0.50 * 0.30 * ((0.60 * 65.00 * 4.75) + (1.00 * 65.00 * 1.00)) = 38.16 kips
2. (1/omega) * [material thickness] * ((0.60 * Fybeam * [gross shear length]) + (Ubs * Fubeam * [net tension length]))
= 0.50 * 0.30 * ((0.60 * 50.00 * 6.25) + (1.00 * 65.00 * 1.00)) = 38.51 kips
Block Shear = 38.16 kips
Block Shear (1) Total = Block Shear (1) = 38.16 kips
Block Shear for Axial T/C is not required.
Buckling and Flexure at Longest Cope (Top Cope Only at Section)
Eccentricity at Section, e = 3.94 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 = 0.30 in.
h1 = 10.43 in.
c = 3.25 in.
When c/h1<=1.0, k=2.2(h1/c)^1.65
k = 2.20 * (10.43 / 3.25)^1.65 = 15.07
When c/d<=1.0, f=2c/d
f = 2 * (3.25 / 16.00) = 0.41
Fy = 50.00 ksi
Fcr = (1/omega) * 26210.00 * f * k * (tw/h1)^2 = 0.60 * 26210.00 * 0.41 * 15.07 * (0.30 / 10.43)^2 = 82.30 ksi
Fcrmin =1/omega * min(Fcr, Fy) = 30.00 ksi
Snet1 (bolt holes not applicable) = 17.21 in^3
Snet2 (bolt holes applicable) = 17.21 in^3
Znet = 31.30 in^3
Using Eq. 9-6
Buckling = Fcr * Snet1 / e = 30.00 * 17.21 / 3.94 = 131.07 kips
Using Eq. 9-19
Flexural Yielding = (1/omega) * Fy * Snet1 / e = 0.60 * 50.00 * 17.21 / 3.94 = 131.07 kips
Using Eq. 9-4
Flexural Rupture = (1/omega) * Fu * Znet / e = 0.50 * 65.00 * 31.30 / 3.94 = 258.19 kips
Buckling and Flexure at Furthest Bolt Line within Cope (Top Cope Only at Section)
Eccentricity at Section, e = 2.19 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 = 0.30 in.
h1 = 10.97 in.
c = 3.25 in.
When c/h1<=1.0, k=2.2(h1/c)^1.65
k = 2.20 * (10.97 / 3.25)^1.65 = 16.38
When c/d<=1.0, f=2c/d
f = 2 * (3.25 / 16.00) = 0.41
Fy = 50.00 ksi
Fcr = (1/omega) * 26210.00 * f * k * (tw/h1)^2 = 0.60 * 26210.00 * 0.41 * 16.38 * (0.30 / 10.97)^2 = 80.86 ksi
Fcrmin =1/omega * min(Fcr, Fy) = 30.00 ksi
Snet1 (bolt holes not applicable) = 17.21 in^3
Snet2 (bolt holes applicable) = 13.59 in^3
Znet = 25.56 in^3
Using Eq. 9-6
Buckling = Fcr * Snet1 / e = 30.00 * 17.21 / 2.19 = 235.81 kips
Using Eq. 9-19
Flexural Yielding = (1/omega) * Fy * Snet1 / e = 0.60 * 50.00 * 17.21 / 2.19 = 235.81 kips
Using Eq. 9-4
Flexural Rupture = (1/omega) * Fu * Znet / e = 0.50 * 65.00 * 25.56 / 2.19 = 379.25 kips
Section Bending Strength Calculations Summary:
Coped Beam Buckling and Flexure at Longest Cope (Top Cope Only at Section)
Buckling : 131.07 >= 2.00 kips (OK)
Flexural Yielding : 131.07 >= 2.00 kips (OK)
Flexural Rupture : 258.19 >= 2.00 kips (OK)
Coped Beam Buckling and Flexure at Furthest Bolt Line within Cope (Top Cope Only at Section)
Buckling : 235.81 >= 2.00 kips (OK)
Flexural Yielding : 235.81 >= 2.00 kips (OK)
Flexural Rupture : 379.25 >= 2.00 kips (OK) |