BOLT BEARING AT SUPPORT SIDE:
Angle 1, Vertical Shear Loading:
At Row 1, At Column 1:
Ri1 = 11.93 kips
Lcssupp at Support spacing = 2.19 in.
Lcesupp at Support edge = na
1/omegaRnssupp at Support spacing = 1/omega * hf1 * Lcs * (tfsup/# bolt sides supported) * Fu = 0.50 * 1.20 * 2.19 * (0.65/1) * 65.00 = 55.03 kips/bolt
1/omegaRnesupp at Support edge = 1/omega * hf1 * Lce * (tfsup/# bolt sides supported) * Fu = na
1/omegaRndsupp on Support at Bolt Diameter = 1/omega * hf2 * db * (tfsup/# bolt sides supported) * Fu = 0.50 * 2.40 * 0.75 * (0.65/1) * 65.00 = 37.73 kips/bolt
Support bearing capacity, 1/omegaRnsupp = min(1/omegaRnssupp,1/omegaRnesupp,1/omegaRndsupp) = min(55.03, na, 37.73) = 37.73 kips/bolt
Lcsang1 at Angle 1 spacing = 2.19 in.
Lceang1 at Angle 1 edge = 0.59 in.
1/omegaRnsang1 at Angle 1 spacing = 1/omega * hf1 * Lcs * t * Fu = 0.50 * 1.20 * 2.19 * 0.31 * 58.00 = 23.83 kips/bolt
1/omegaRneang1 at Angle 1 edge = 1/omega * hf1 * Lce * t * Fu = 0.50 * 1.20 * 0.59 * 0.31 * 58.00 = 6.47 kips/bolt
1/omegaRndang1 on Angle 1 at Bolt Diameter = 1/omega * hf2 * db * t * Fu = 0.50 * 2.40 * 0.75 * 0.31 * 58.00 = 16.34 kips/bolt
Angle 1 bearing capacity, 1/omegaRnang1 = min(1/omegaRnsang1,1/omegaRneang1,1/omegaRndang1) = min(23.83, 6.47, 16.34) = 6.47 kips/bolt
1/omegaRn = min(Ri1, 1/omegaRnsupp, 1/omegaRnang1) = min(11.93, 37.732, 6.467) = 6.47 kips/bolt
At Row 2, At Column 1:
Ri1 = 11.93 kips
Lcssupp at Support spacing = 2.19 in.
Lcesupp at Support edge = na
1/omegaRnssupp at Support spacing = 1/omega * hf1 * Lcs * (tfsup/# bolt sides supported) * Fu = 0.50 * 1.20 * 2.19 * (0.65/1) * 65.00 = 55.03 kips/bolt
1/omegaRnesupp at Support edge = 1/omega * hf1 * Lce * (tfsup/# bolt sides supported) * Fu = na
1/omegaRndsupp on Support at Bolt Diameter = 1/omega * hf2 * db * (tfsup/# bolt sides supported) * Fu = 0.50 * 2.40 * 0.75 * (0.65/1) * 65.00 = 37.73 kips/bolt
Support bearing capacity, 1/omegaRnsupp = min(1/omegaRnssupp,1/omegaRnesupp,1/omegaRndsupp) = min(55.03, na, 37.73) = 37.73 kips/bolt
Lcsang1 at Angle 1 spacing = 2.19 in.
Lceang1 at Angle 1 edge = 3.59 in.
1/omegaRnsang1 at Angle 1 spacing = 1/omega * hf1 * Lcs * t * Fu = 0.50 * 1.20 * 2.19 * 0.31 * 58.00 = 23.83 kips/bolt
1/omegaRneang1 at Angle 1 edge = 1/omega * hf1 * Lce * t * Fu = 0.50 * 1.20 * 3.59 * 0.31 * 58.00 = 39.14 kips/bolt
1/omegaRndang1 on Angle 1 at Bolt Diameter = 1/omega * hf2 * db * t * Fu = 0.50 * 2.40 * 0.75 * 0.31 * 58.00 = 16.34 kips/bolt
Angle 1 bearing capacity, 1/omegaRnang1 = min(1/omegaRnsang1,1/omegaRneang1,1/omegaRndang1) = min(23.83, 39.14, 16.34) = 16.34 kips/bolt
1/omegaRn = min(Ri1, 1/omegaRnsupp, 1/omegaRnang1) = min(11.93, 37.732, 16.339) = 11.93 kips/bolt
At Row 3, At Column 1:
Ri1 = 11.93 kips
Lcssupp at Support spacing = 2.19 in.
Lcesupp at Support edge = na
1/omegaRnssupp at Support spacing = 1/omega * hf1 * Lcs * (tfsup/# bolt sides supported) * Fu = 0.50 * 1.20 * 2.19 * (0.65/1) * 65.00 = 55.03 kips/bolt
1/omegaRnesupp at Support edge = 1/omega * hf1 * Lce * (tfsup/# bolt sides supported) * Fu = na
1/omegaRndsupp on Support at Bolt Diameter = 1/omega * hf2 * db * (tfsup/# bolt sides supported) * Fu = 0.50 * 2.40 * 0.75 * (0.65/1) * 65.00 = 37.73 kips/bolt
Support bearing capacity, 1/omegaRnsupp = min(1/omegaRnssupp,1/omegaRnesupp,1/omegaRndsupp) = min(55.03, na, 37.73) = 37.73 kips/bolt
Lcsang1 at Angle 1 spacing = 2.19 in.
Lceang1 at Angle 1 edge = 6.59 in.
1/omegaRnsang1 at Angle 1 spacing = 1/omega * hf1 * Lcs * t * Fu = 0.50 * 1.20 * 2.19 * 0.31 * 58.00 = 23.83 kips/bolt
1/omegaRneang1 at Angle 1 edge = 1/omega * hf1 * Lce * t * Fu = 0.50 * 1.20 * 6.59 * 0.31 * 58.00 = 71.82 kips/bolt
1/omegaRndang1 on Angle 1 at Bolt Diameter = 1/omega * hf2 * db * t * Fu = 0.50 * 2.40 * 0.75 * 0.31 * 58.00 = 16.34 kips/bolt
Angle 1 bearing capacity, 1/omegaRnang1 = min(1/omegaRnsang1,1/omegaRneang1,1/omegaRndang1) = min(23.83, 71.82, 16.34) = 16.34 kips/bolt
1/omegaRn = min(Ri1, 1/omegaRnsupp, 1/omegaRnang1) = min(11.93, 37.732, 16.339) = 11.93 kips/bolt
At Row 4, At Column 1:
Ri1 = 11.93 kips
Lcssupp at Support spacing = 2.19 in.
Lcesupp at Support edge = na
1/omegaRnssupp at Support spacing = 1/omega * hf1 * Lcs * (tfsup/# bolt sides supported) * Fu = 0.50 * 1.20 * 2.19 * (0.65/1) * 65.00 = 55.03 kips/bolt
1/omegaRnesupp at Support edge = 1/omega * hf1 * Lce * (tfsup/# bolt sides supported) * Fu = na
1/omegaRndsupp on Support at Bolt Diameter = 1/omega * hf2 * db * (tfsup/# bolt sides supported) * Fu = 0.50 * 2.40 * 0.75 * (0.65/1) * 65.00 = 37.73 kips/bolt
Support bearing capacity, 1/omegaRnsupp = min(1/omegaRnssupp,1/omegaRnesupp,1/omegaRndsupp) = min(55.03, na, 37.73) = 37.73 kips/bolt
Lcsang1 at Angle 1 spacing = 2.19 in.
Lceang1 at Angle 1 edge = 9.59 in.
1/omegaRnsang1 at Angle 1 spacing = 1/omega * hf1 * Lcs * t * Fu = 0.50 * 1.20 * 2.19 * 0.31 * 58.00 = 23.83 kips/bolt
1/omegaRneang1 at Angle 1 edge = 1/omega * hf1 * Lce * t * Fu = 0.50 * 1.20 * 9.59 * 0.31 * 58.00 = 104.50 kips/bolt
1/omegaRndang1 on Angle 1 at Bolt Diameter = 1/omega * hf2 * db * t * Fu = 0.50 * 2.40 * 0.75 * 0.31 * 58.00 = 16.34 kips/bolt
Angle 1 bearing capacity, 1/omegaRnang1 = min(1/omegaRnsang1,1/omegaRneang1,1/omegaRndang1) = min(23.83, 104.50, 16.34) = 16.34 kips/bolt
1/omegaRn = min(Ri1, 1/omegaRnsupp, 1/omegaRnang1) = min(11.93, 37.732, 16.339) = 11.93 kips/bolt
Bearing Capacity at Shear Plane = Sum{ Bearing At [(Row)i,(Column)i] } =
6.467 + 11.928 + 11.928 + 11.928 = 42.25 kips
BOLT BEARING AT SUPPORT SIDE:
Angle 2, Vertical Shear Loading:
At Row 1, At Column 1:
Ri1 = 11.93 kips
Lcssupp at Support spacing = 2.19 in.
Lcesupp at Support edge = na
1/omegaRnssupp at Support spacing = 1/omega * hf1 * Lcs * (tfsup/# bolt sides supported) * Fu = 0.50 * 1.20 * 2.19 * (0.65/1) * 65.00 = 55.03 kips/bolt
1/omegaRnesupp at Support edge = 1/omega * hf1 * Lce * (tfsup/# bolt sides supported) * Fu = na
1/omegaRndsupp on Support at Bolt Diameter = 1/omega * hf2 * db * (tfsup/# bolt sides supported) * Fu = 0.50 * 2.40 * 0.75 * (0.65/1) * 65.00 = 37.73 kips/bolt
Support bearing capacity, 1/omegaRnsupp = min(1/omegaRnssupp,1/omegaRnesupp,1/omegaRndsupp) = min(55.03, na, 37.73) = 37.73 kips/bolt
Lcsang2 at Angle 2 spacing = 2.19 in.
Lceang2 at Angle 2 edge = 0.59 in.
1/omegaRnsang2 at Angle 2 spacing = 1/omega * hf1 * Lcs * t * Fu = 0.50 * 1.20 * 2.19 * 0.31 * 58.00 = 23.83 kips/bolt
1/omegaRneang2 at Angle 2 edge = 1/omega * hf1 * Lce * t * Fu = 0.50 * 1.20 * 0.59 * 0.31 * 58.00 = 6.47 kips/bolt
1/omegaRndang2 on Angle 2 at Bolt Diameter = 1/omega * hf2 * db * t * Fu = 0.50 * 2.40 * 0.75 * 0.31 * 58.00 = 16.34 kips/bolt
Angle 2 bearing capacity, 1/omegaRnang2 = min(1/omegaRnsang2,1/omegaRneang2,1/omegaRndang2) = min(23.83, 6.47, 16.34) = 6.47 kips/bolt
1/omegaRn = min(Ri1, 1/omegaRnsupp, 1/omegaRnang2) = min(11.93, 37.732, 6.467) = 6.47 kips/bolt
At Row 2, At Column 1:
Ri1 = 11.93 kips
Lcssupp at Support spacing = 2.19 in.
Lcesupp at Support edge = na
1/omegaRnssupp at Support spacing = 1/omega * hf1 * Lcs * (tfsup/# bolt sides supported) * Fu = 0.50 * 1.20 * 2.19 * (0.65/1) * 65.00 = 55.03 kips/bolt
1/omegaRnesupp at Support edge = 1/omega * hf1 * Lce * (tfsup/# bolt sides supported) * Fu = na
1/omegaRndsupp on Support at Bolt Diameter = 1/omega * hf2 * db * (tfsup/# bolt sides supported) * Fu = 0.50 * 2.40 * 0.75 * (0.65/1) * 65.00 = 37.73 kips/bolt
Support bearing capacity, 1/omegaRnsupp = min(1/omegaRnssupp,1/omegaRnesupp,1/omegaRndsupp) = min(55.03, na, 37.73) = 37.73 kips/bolt
Lcsang2 at Angle 2 spacing = 2.19 in.
Lceang2 at Angle 2 edge = 3.59 in.
1/omegaRnsang2 at Angle 2 spacing = 1/omega * hf1 * Lcs * t * Fu = 0.50 * 1.20 * 2.19 * 0.31 * 58.00 = 23.83 kips/bolt
1/omegaRneang2 at Angle 2 edge = 1/omega * hf1 * Lce * t * Fu = 0.50 * 1.20 * 3.59 * 0.31 * 58.00 = 39.14 kips/bolt
1/omegaRndang2 on Angle 2 at Bolt Diameter = 1/omega * hf2 * db * t * Fu = 0.50 * 2.40 * 0.75 * 0.31 * 58.00 = 16.34 kips/bolt
Angle 2 bearing capacity, 1/omegaRnang2 = min(1/omegaRnsang2,1/omegaRneang2,1/omegaRndang2) = min(23.83, 39.14, 16.34) = 16.34 kips/bolt
1/omegaRn = min(Ri1, 1/omegaRnsupp, 1/omegaRnang2) = min(11.93, 37.732, 16.339) = 11.93 kips/bolt
At Row 3, At Column 1:
Ri1 = 11.93 kips
Lcssupp at Support spacing = 2.19 in.
Lcesupp at Support edge = na
1/omegaRnssupp at Support spacing = 1/omega * hf1 * Lcs * (tfsup/# bolt sides supported) * Fu = 0.50 * 1.20 * 2.19 * (0.65/1) * 65.00 = 55.03 kips/bolt
1/omegaRnesupp at Support edge = 1/omega * hf1 * Lce * (tfsup/# bolt sides supported) * Fu = na
1/omegaRndsupp on Support at Bolt Diameter = 1/omega * hf2 * db * (tfsup/# bolt sides supported) * Fu = 0.50 * 2.40 * 0.75 * (0.65/1) * 65.00 = 37.73 kips/bolt
Support bearing capacity, 1/omegaRnsupp = min(1/omegaRnssupp,1/omegaRnesupp,1/omegaRndsupp) = min(55.03, na, 37.73) = 37.73 kips/bolt
Lcsang2 at Angle 2 spacing = 2.19 in.
Lceang2 at Angle 2 edge = 6.59 in.
1/omegaRnsang2 at Angle 2 spacing = 1/omega * hf1 * Lcs * t * Fu = 0.50 * 1.20 * 2.19 * 0.31 * 58.00 = 23.83 kips/bolt
1/omegaRneang2 at Angle 2 edge = 1/omega * hf1 * Lce * t * Fu = 0.50 * 1.20 * 6.59 * 0.31 * 58.00 = 71.82 kips/bolt
1/omegaRndang2 on Angle 2 at Bolt Diameter = 1/omega * hf2 * db * t * Fu = 0.50 * 2.40 * 0.75 * 0.31 * 58.00 = 16.34 kips/bolt
Angle 2 bearing capacity, 1/omegaRnang2 = min(1/omegaRnsang2,1/omegaRneang2,1/omegaRndang2) = min(23.83, 71.82, 16.34) = 16.34 kips/bolt
1/omegaRn = min(Ri1, 1/omegaRnsupp, 1/omegaRnang2) = min(11.93, 37.732, 16.339) = 11.93 kips/bolt
At Row 4, At Column 1:
Ri1 = 11.93 kips
Lcssupp at Support spacing = 2.19 in.
Lcesupp at Support edge = na
1/omegaRnssupp at Support spacing = 1/omega * hf1 * Lcs * (tfsup/# bolt sides supported) * Fu = 0.50 * 1.20 * 2.19 * (0.65/1) * 65.00 = 55.03 kips/bolt
1/omegaRnesupp at Support edge = 1/omega * hf1 * Lce * (tfsup/# bolt sides supported) * Fu = na
1/omegaRndsupp on Support at Bolt Diameter = 1/omega * hf2 * db * (tfsup/# bolt sides supported) * Fu = 0.50 * 2.40 * 0.75 * (0.65/1) * 65.00 = 37.73 kips/bolt
Support bearing capacity, 1/omegaRnsupp = min(1/omegaRnssupp,1/omegaRnesupp,1/omegaRndsupp) = min(55.03, na, 37.73) = 37.73 kips/bolt
Lcsang2 at Angle 2 spacing = 2.19 in.
Lceang2 at Angle 2 edge = 9.59 in.
1/omegaRnsang2 at Angle 2 spacing = 1/omega * hf1 * Lcs * t * Fu = 0.50 * 1.20 * 2.19 * 0.31 * 58.00 = 23.83 kips/bolt
1/omegaRneang2 at Angle 2 edge = 1/omega * hf1 * Lce * t * Fu = 0.50 * 1.20 * 9.59 * 0.31 * 58.00 = 104.50 kips/bolt
1/omegaRndang2 on Angle 2 at Bolt Diameter = 1/omega * hf2 * db * t * Fu = 0.50 * 2.40 * 0.75 * 0.31 * 58.00 = 16.34 kips/bolt
Angle 2 bearing capacity, 1/omegaRnang2 = min(1/omegaRnsang2,1/omegaRneang2,1/omegaRndang2) = min(23.83, 104.50, 16.34) = 16.34 kips/bolt
1/omegaRn = min(Ri1, 1/omegaRnsupp, 1/omegaRnang2) = min(11.93, 37.732, 16.339) = 11.93 kips/bolt
Bearing Capacity at Shear Plane = Sum{ Bearing At [(Row)i,(Column)i] } =
6.467 + 11.928 + 11.928 + 11.928 = 42.25 kips
Bearing At Support Side Summary:
Bearing Capacity = min(At Angle1 Shear Only/Gage1 Ratio, At Angle2 Shear Only/Gage2 Ratio) = min(42.25/0.50, 42.25/0.50) = 84.50 kips |
Angle1
Support Angle Leg
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 1 (Shear):
Gross Shear Length = (11 - 1) = 10.00 in.
Net Shear Length = 10 - (3.5 * (0.812 + 1/16)) = 6.94 in.
Gross Tension Length = [edge dist.] = 1.44 in.
Net Tension Length = (1.44 - (1 + 1/16)/2) = 0.91 in.
1. (1/omega) * [material thickness] * ((0.60 * Fua* [net shear length]) + (Ubs * Fua * [net tension length]))
= 0.50 * 0.31 * ((0.60 * 58.00 * 6.94) + (1.00 * 58.00 * 0.91)) = 46.03 kips
2. (1/omega) * [material thickness] * ((0.60 * Fya * [gross shear length]) + (Ubs * Fua * [net tension length]))
= 0.50 * 0.31 * ((0.60 * 36.00 * 10.00) + (1.00 * 58.00 * 0.91)) = 42.05 kips
Block Shear = 42.05 kips
Gross Area = 0.31 * 11.00 = 3.44 in^2
Net Area = (11.00 - (4 *(0.81 + 1/16)) * 0.31 = 2.35 in^2
Using Eq.J4-3:
Shear Yielding = (1/omega) * 0.6 * Fya * [Gross Area] = 0.67 * 0.6 * 36.00 * 3.44 = 49.58 kips
Using Eq.J4-4:
Shear Rupture = (1/omega) * 0.6 * Fua * [Net Area] = 0.50 * 0.6 * 58.00 * 2.35 = 40.85 kips
Beam Angle Leg
Gross Area = 0.31 * 11.00 = 3.44 in^2
Net Area = 3.44 in^2
Using Eq.J4-3:
Shear Yielding = (1/omega) * 0.6 * Fyangle * [Gross Area] = 0.67 * 0.6 * 36.00 * 3.44 = 49.58 kips
Using Eq.J4-4:
Shear Rupture = (1/omega) * 0.6 * Fuangle * [Net Area] = 0.50 * 0.6 * 58.00 * 3.44 = 59.91 kips
Flexural and Buckling Strength:
Eccentricity at Weld = 2.61
Zgross = 9.47 in^3
Znet = 9.47 in^3
Sgross = 6.31 in^3
Snet = 6.31 in^3
Using Eq. 9-19
Flexural Yielding = (1/omega) * Fy * Sgross / e = 0.60 * 36.00 * 6.31 / 2.61 = 52.25 kips
Using Eq. 9-4
Flexural Rupture = (1/omega) * Fu * Znet / e = 0.50 * 58.00 * 9.47 / 2.61 = 105.23 kips
Using Eq. 9-14 through 9-18, Fcr = Fy * Q
tw = 0.31 in.
ho = 11.00 in.
c = 2.61 in.
lambda = (ho * Fy ^ 0.5) / ( 10 * tw * ( 475.00 + 280.00 * (ho / c)^2 ) ^0.5 ) =
= 11.00 * 36.00^0.5 / (10 * 0.31 * (475.00 + 280.00 * (11.00/2.61)^2 )^0.5) = 0.29
When lambda <= 0.70, Q=1
Q = 1.00
Fcrmin =1/omega * Fcr = 0.60 * 36.00 * 1.00 = 21.60 ksi
Using Eq. 9-6
Buckling = Fcr * Sgross / e = 21.60 * 6.31 / 2.61 = 52.25 kips
Stress Interaction on Angle due to Combined Shear, Axial and Moment Loading:
Zgx = 9.47 in^3
Znx = 9.47 in^3
Zgy = 0.27 in^3
Zny = 0.27 in^3
Mrx = vertical reaction * ex = 16.50 * 2.61 = 43.05 kips-in
Mry = axial reaction * ey = 0.00 * 0.35 = 0.00 kips-in
Mcx = 1/omega * Zgx * Min(Fy, Fcr) = 0.60 * 9.47 * Min(36, 36) = 204.51 kips-in
Mcy = 1/omega * Zgy * Fy = 0.60 * 0.27 * 36 = 5.82 kips-in
Shear Stress on Gross Section = 16.50 / 3.44 = 4.79 ksi
Shear Stress on Net Section = 16.50 / 3.44 = 4.79 ksi
Axial Stress on Gross Section due to Axial force = 0.00 / 3.44 = 0.00 ksi
Axial Stress on Net Section due to Axial force = 0.00 / 3.44 = 0.00 ksi
Axial Stress on Gross Section due to Moment (shear) = 43.05 / 9.47 = 4.55 ksi
Axial Stress on Net Section due to Moment (shear) = 43.05 / 9.47 = 4.55 ksi
Axial Stress on Gross Section due to Moment (axial) = 0.00 / 0.27 = 0.00 ksi
Axial Stress on Net Section due to Moment (axial) = 0.00 / 0.27 = 0.00 ksi
Axial Stress on Gross Section (total) = 0.00 + 0.00 + 4.55 = 4.55 ksi
Axial Stress on Net Section (total) = 0.00 + 0.00 + 4.55 = 4.55 ksi
Shear Yield Stress Capacity (SYSC) = 1/omega * 0.6 * Fy =0.67 * 0.60 * 36.00 = 14.40 ksi
Tensile Yield Stress Capacity (TYSC) = 1/omega * Fy =0.60 * 36.00 = 21.60 ksi
Stress Interaction at Gross Section (elliptical):
(fvg / SYSC)^2 + (fag / TYSC )^2 = (4.79 / 14.40)^2 + (4.55 / 21.60 )^2 = 0.16 <= 1.0 (OK)
Shear Rupture Stress Capacity (SRSC) = 1/omega * 0.6 * Fu =0.50 * 0.60 * 58.00 = 17.40 ksi
Tensile Rupture Stress Capacity (TRSC) = 1/omega * Fu =0.50 * 58.00 = 29.00 ksi
Stress Interaction at Net Section (elliptical):
(fvn / SRSC)^2 + (fan / TRSC )^2 = (4.79 / 17.40)^2 + (4.55 / 29.00 )^2 = 0.10 <= 1.0 (OK)
Angle2
Support Angle Leg
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 1 (Shear):
Gross Shear Length = (11 - 1) = 10.00 in.
Net Shear Length = 10 - (3.5 * (0.812 + 1/16)) = 6.94 in.
Gross Tension Length = [edge dist.] = 1.44 in.
Net Tension Length = (1.44 - (1 + 1/16)/2) = 0.91 in.
1. (1/omega) * [material thickness] * ((0.60 * Fua* [net shear length]) + (Ubs * Fua * [net tension length]))
= 0.50 * 0.31 * ((0.60 * 58.00 * 6.94) + (1.00 * 58.00 * 0.91)) = 46.03 kips
2. (1/omega) * [material thickness] * ((0.60 * Fya * [gross shear length]) + (Ubs * Fua * [net tension length]))
= 0.50 * 0.31 * ((0.60 * 36.00 * 10.00) + (1.00 * 58.00 * 0.91)) = 42.05 kips
Block Shear = 42.05 kips
Gross Area = 0.31 * 11.00 = 3.44 in^2
Net Area = (11.00 - (4 *(0.81 + 1/16)) * 0.31 = 2.35 in^2
Using Eq.J4-3:
Shear Yielding = (1/omega) * 0.6 * Fya * [Gross Area] = 0.67 * 0.6 * 36.00 * 3.44 = 49.58 kips
Using Eq.J4-4:
Shear Rupture = (1/omega) * 0.6 * Fua * [Net Area] = 0.50 * 0.6 * 58.00 * 2.35 = 40.85 kips
Beam Angle Leg
Gross Area = 0.31 * 11.00 = 3.44 in^2
Net Area = 3.44 in^2
Using Eq.J4-3:
Shear Yielding = (1/omega) * 0.6 * Fyangle * [Gross Area] = 0.67 * 0.6 * 36.00 * 3.44 = 49.58 kips
Using Eq.J4-4:
Shear Rupture = (1/omega) * 0.6 * Fuangle * [Net Area] = 0.50 * 0.6 * 58.00 * 3.44 = 59.91 kips
Flexural and Buckling Strength:
Eccentricity at Weld = 2.61
Zgross = 9.47 in^3
Znet = 9.47 in^3
Sgross = 6.31 in^3
Snet = 6.31 in^3
Using Eq. 9-19
Flexural Yielding = (1/omega) * Fy * Sgross / e = 0.60 * 36.00 * 6.31 / 2.61 = 52.25 kips
Using Eq. 9-4
Flexural Rupture = (1/omega) * Fu * Znet / e = 0.50 * 58.00 * 9.47 / 2.61 = 105.23 kips
Using Eq. 9-14 through 9-18, Fcr = Fy * Q
tw = 0.31 in.
ho = 11.00 in.
c = 2.61 in.
lambda = (ho * Fy ^ 0.5) / ( 10 * tw * ( 475.00 + 280.00 * (ho / c)^2 ) ^0.5 ) =
= 11.00 * 36.00^0.5 / (10 * 0.31 * (475.00 + 280.00 * (11.00/2.61)^2 )^0.5) = 0.29
When lambda <= 0.70, Q=1
Q = 1.00
Fcrmin =1/omega * Fcr = 0.60 * 36.00 * 1.00 = 21.60 ksi
Using Eq. 9-6
Buckling = Fcr * Sgross / e = 21.60 * 6.31 / 2.61 = 52.25 kips
Stress Interaction on Angle due to Combined Shear, Axial and Moment Loading:
Zgx = 9.47 in^3
Znx = 9.47 in^3
Zgy = 0.27 in^3
Zny = 0.27 in^3
Mrx = vertical reaction * ex = 16.50 * 2.61 = 43.05 kips-in
Mry = axial reaction * ey = 0.00 * 0.35 = 0.00 kips-in
Mcx = 1/omega * Zgx * Min(Fy, Fcr) = 0.60 * 9.47 * Min(36, 36) = 204.51 kips-in
Mcy = 1/omega * Zgy * Fy = 0.60 * 0.27 * 36 = 5.82 kips-in
Shear Stress on Gross Section = 16.50 / 3.44 = 4.79 ksi
Shear Stress on Net Section = 16.50 / 3.44 = 4.79 ksi
Axial Stress on Gross Section due to Axial force = 0.00 / 3.44 = 0.00 ksi
Axial Stress on Net Section due to Axial force = 0.00 / 3.44 = 0.00 ksi
Axial Stress on Gross Section due to Moment (shear) = 43.05 / 9.47 = 4.55 ksi
Axial Stress on Net Section due to Moment (shear) = 43.05 / 9.47 = 4.55 ksi
Axial Stress on Gross Section due to Moment (axial) = 0.00 / 0.27 = 0.00 ksi
Axial Stress on Net Section due to Moment (axial) = 0.00 / 0.27 = 0.00 ksi
Axial Stress on Gross Section (total) = 0.00 + 0.00 + 4.55 = 4.55 ksi
Axial Stress on Net Section (total) = 0.00 + 0.00 + 4.55 = 4.55 ksi
Shear Yield Stress Capacity (SYSC) = 1/omega * 0.6 * Fy =0.67 * 0.60 * 36.00 = 14.40 ksi
Tensile Yield Stress Capacity (TYSC) = 1/omega * Fy =0.60 * 36.00 = 21.60 ksi
Stress Interaction at Gross Section (elliptical):
(fvg / SYSC)^2 + (fag / TYSC )^2 = (4.79 / 14.40)^2 + (4.55 / 21.60 )^2 = 0.16 <= 1.0 (OK)
Shear Rupture Stress Capacity (SRSC) = 1/omega * 0.6 * Fu =0.50 * 0.60 * 58.00 = 17.40 ksi
Tensile Rupture Stress Capacity (TRSC) = 1/omega * Fu =0.50 * 58.00 = 29.00 ksi
Stress Interaction at Net Section (elliptical):
(fvn / SRSC)^2 + (fan / TRSC )^2 = (4.79 / 17.40)^2 + (4.55 / 29.00 )^2 = 0.10 <= 1.0 (OK)
Total Support Side Shear Yielding Capacity = min(YieldAngle1/Gage1 Ratio, YieldAngle2/Gage2 Ratio) = min(99.1584 , 99.1584) = 99.1584 kips
Total Support Side Shear Rupture Capacity = min(RuptureAngle1/Gage1 Ratio, RuptureAngle2/Gage2 Ratio) = min(81.693 , 81.693) = 81.693 kips
Total Support Side Vertical Block Shear Capacity = min(BlockAngle1/Gage1 Ratio, BlockAngle2/Gage2 Ratio) = min(84.1054 , 84.1054) = 84.1054 kips
Total Beam Side Shear Yielding Capacity = min (YieldAngle1/Gage1 Ratio , YieldAngle2/Gage2 Ratio) = min(99.1584 , 99.1584) = 99.1584 kips
Total Beam Side Shear Rupture Capacity = min (RuptureAngle1/Gage1 Ratio , RuptureAngle2/Gage2 Ratio) = min(119.816 , 119.816) = 119.816 kips
Total Beam Side Flexure Yielding Capacity = min (FlexureYieldAngle1/Gage1 Ratio , FlexureYieldAngle2/Gage2 Ratio) = min(104.502 , 104.502) = 104.502 kips
Total Beam Side Flexure Rupture Capacity = min (FlexureRuptureAngle1/Gage1 Ratio , FlexureRuptureAngle2/Gage2 Ratio) = min(210.456 , 210.456) = 210.456 kips
Total Beam Side Bending Buckling Capacity = min (BendingBucklingAngle1/Gage1 Ratio , BendingBucklingAngle2/Gage2 Ratio) = min(104.502 , 104.502) = 104.502 kips |