Copyright 2025 by Space Gass Pty Ltd
This report extract shows all of the steel member design input and output data.
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AS4100 1998 STEEL MEMBER SYMBOLS NOTATION -----------------------------------------
Group = An actual member in the real structure which consists of one or more analysis members joined together end-to-end. Segment = A part of the total member length under consideration (usually equals the portion between lateral restraints). Load factor = The ratio of the minimum loads which cause failure to the actual design loads. Grade = Grade of steel. Fy = Yield stress of overall section. Fyw = Yield stress of web. Fu = Ultimate tensile strength. Ltot = Total group length. Lseg = Length of the critical segment in the group. kt (5.6.3) = Twist restraint effective length factor. kl (5.6.3) = Load height effective length factor. kr (5.6.3) = Lateral rotation effective length factor. Le (5.6.3) = Bending effective length for major axis bending. Lx (6.3.2) = Compression effective length for major axis buckling. Ly (6.3.2) = Compression effective length for minor axis buckling. Lz = Torsion effective length. L/r = Slenderness ratio for compression or bending. Arf = Area of bolt holes removed from flanges. Arw = Area of bolt holes removed from web. An = Net area of section. (Gross area less Arf and Arw). Ae (6.2.2) = Effective area of section. Kf (6.2.2) = Form factor for compression members. Kt (7.3) = Correction factor for eccentric effects in tension members. am (5.6.1.1) = Moment modification factor for bending. as (5.6.1.1) = Bending member slenderness reduction factor. acx (6.3.3) = Compression member slenderness reduction factor (major). acy (6.3.3) = Compression member slenderness reduction factor (minor). ab (6.3.3) = Compression member section constant. bme (8.4.4.1) = Ratio of major axis moments at ends of segment. bmx (8.4.2.2) = Ratio of major axis moments at ends of member. bmy (8.4.2.2) = Ratio of minor axis moments at ends of segment. g (8.3.4) = Index. f (3.4) = Capacity factor. N* = Design axial force (+ve=compression). Vx* = Design major axis shear force (not considered). Vy* = Design minor axis shear force. Mx* = Design major axis bending moment. My* = Design minor axis bending moment. fNt (7.2) = Section capacity in tension. fNs (6.2) = Section capacity in compression. fNcx (6.3.3) = Major axis member capacity in compression. fNcy (6.3.3) = Minor axis member capacity in compression. fVv (5.11) = Shear capacity of web. fMf (5.12.2) = Moment capacity of flanges. fMsx (5.2) = Section major axis moment capacity. fMsy (5.2) = Section minor axis moment capacity. fMbx (5.6) = Member major axis moment capacity. fMox (8.4.4) = Member out-of-plane major axis moment capacity. fMrx (8.3.2) = Section major axis moment capacity reduced by axial force. fMry (8.3.3) = Section minor axis moment capacity reduced by axial force. fMix (8.4.2.2) = Member in-plane major axis moment capacity. fMiy (8.4.2.2) = Member in-plane minor axis moment capacity. fMtx (8.4.5.2) = Lesser of fMrx and fMox. fMcx (8.4.5.1) = Lesser of fMix and fMox.
STEEL MEMBER DESIGN DATA (m) ------------------------ Restraint codes are: F => Fixed restraint P => Partial restraint R => Fixed and rotational restraint S => Partial and rotational restraint L => Lateral restraint U => Unrestrained C => Continuous lateral restraint I => Ignore segment
Group: 1 Left column Member list: 1,2 Compr'n eff lengths: Major axis => Calculate, Minor axis => Calculate (Unbraced) (Braced) Bending eff lengths: +ve bending => Calculate, -ve bending => Calculate Top flange restr pos'ns: 3@1.2,5.3,7 Bot flange restr pos'ns: Top flange restr types: FLLFIF Bot flange restr types: FF
Group: 2 Left rafter Member list: 3,4,5,6 Compr'n eff lengths: Major axis => Calculate, Minor axis => Calculate (Unbraced) (Braced) Bending eff lengths: +ve bending => Calculate, -ve bending => Calculate Top flange restr pos'ns: 3.265,1@1.3,5@1.2,1@0.8 Bot flange restr pos'ns: 3.265,1@4.9 Top flange restr types: FILLLLF Bot flange restr types: FILLF
Group: 3 Right rafter Member list: 10,9,8,7 Compr'n eff lengths: Major axis => Calculate, Minor axis => Calculate (Unbraced) (Braced) Bending eff lengths: +ve bending => Calculate, -ve bending => Calculate Top flange restr pos'ns: 3.265,1@1.3,5@1.2,1@0.8 Bot flange restr pos'ns: 3.265,1@4.9 Top flange restr types: FILLLLF Bot flange restr types: FILLF
Group: 4 Right column Member list: 12,11 Compr'n eff lengths: Major axis => Calculate, Minor axis => Calculate (Unbraced) (Braced) Bending eff lengths: +ve bending => Calculate, -ve bending => Calculate Top flange restr pos'ns: 3@1.2,5.3,7 Bot flange restr pos'ns: Top flange restr types: FLLFIF Bot flange restr types: FF
Load Bolts in Strength Height Scan Angle End Ecc Design Cross Group Grade Units Pos'n Code Type Conn Eff Criteria Section
1 Normal Actual Centre A Single Con Yes Weight None 2 Normal Actual Top A Single Con Yes Weight None 3 Normal Actual Top A Single Con Yes Weight None 4 Normal Actual Centre A Single Con Yes Weight None
AS4100 1998 STEEL MEMBER DESIGN SUMMARY (MPa,m) (*=Failure) --------------------------------------- (#=Warning)
Yield Total Seg Failure Crit Load Group Section Name Str Length Length Mode Case Factor
1 530 UB 92.4 300 7.500 7.000 Member 10 1.28 2 360 UB 50.7 300 12.517 1.300 Member 11 1.15 3 360 UB 50.7 300 12.517 4.352 Member 11 1.05 4 530 UB 92.4 300 7.500 7.000 Member 10 1.28
WEIGHTED AVERAGE LOAD FACTORS -----------------------------
Case Mass WALF
10 2.661 1.411 11 2.661 1.621 12 2.661 3.020 13 2.661 2.329 14 2.661 1.401
AS4100 1998 CALCULATIONS FOR GROUP 1 (*=Failure) ------------------------------------
Critical load case is 10, out of 10-14
Section: 530 UB 92.4 (I or H section, Rolled/SR)
Failure Crit Start Finish Axial Major Minor Major Minor Load Mode Case Pos'n Pos'n Force Shear Shear Moment Moment Factor
Section 11 7.000 -116.30 0.00 66.40 494.22 0.00 1.29 Member 10 0.000 7.000 77.15 -285.35 0.00 1.28 Shear 11 7.000 -116.30 0.00 66.40 494.22 0.00 1.68 (1.00)
Load Load Failure Case Factor Mode
10 1.28 Member - Member out-of-plane bending (8.4.4.1) 11 1.29 Member - Section bending about X-axis (8.3.2) 12 6.30 Member - Member out-of-plane bending (8.4.4.1) 13 2.83 Member - Section bending about X-axis (8.3.2) 14 1.33 Member - Member out-of-plane bending (8.4.4.1)
Grade= 300 Fy = 300.0 MPa Fyw = 320.0 MPa Fu = 440.0 MPa Ltot = 7.500 m Lseg = 7.000 m (FP Top-Bot) kt = 1.03 (5.6.3) kl = 1.00 (5.6.3) kr = 1.00 (5.6.3) Le = 7.224 m (Bending) (5.6.3) Lx = 35.676 m (Compression) Ly = 7.000 m (Compression) Lz = 7.000 m (Torsion) Lx/rx= 164.6 (Compression) Le/ry= 160.9 (Bending)
Arf = 0.0 mm^2 Arw = 0.0 mm^2 An = 11800.0 mm^2 Ae = 10955.5 mm^2 (6.2.2) Kf = 0.93 (6.2.2) Kt = 1.00 (7.3) am = 1.80 (5.6.1.1) as = 0.37 (5.6.1.1) acx = 0.23 (6.3.3) acy = 0.25 (6.3.3) ab = 0.00 (6.3.3) bme = 0.00 (8.4.4.1) bmx = 0.00 (8.4.2.2) bmy = 0.00 (8.4.2.2) g = 0.00 (8.3.4) f = 0.90 (3.4)
N* = 77.15 kN (Slender) Vx* = 0.00 kN (not considered) Vy* = -40.64 kN Mx* = -285.35 kNm (Compact) My* = 0.00 kNm (Compact)
fNt = 0.00 kN (7.2) fNs = 2957.99 kN (6.2) fNcx = 671.54 kN (6.3.3) fNcy = 739.85 kN (6.3.3) fNoz = 0.00 kN (8.4.4.1) fMo = 298.41 kNm (5.6.1) fVvm = 903.04 kN (5.12) fMf = 455.47 kNm (5.12.2) fMsx = 639.90 kNm (5.2) fMsy = 92.24 kNm (5.2) fMbx = 422.74 kNm (5.6) fMox = 378.66 kNm (8.4.4) fMrx = 639.90 kNm (8.3.2) fMry = 92.24 kNm (8.3.3) fMix = 621.73 kNm (8.4.2.2) fMiy = 82.62 kNm (8.4.2.2) fMtx = 0.00 kNm (8.4.5.2) fMcx = 378.66 kNm (8.4.5.1)
Mx* ---- = 0.75 < 1.00 (Pass) Member out-of-plane bending (8.4.4.1) fMox
AS4100 1998 CALCULATIONS FOR GROUP 2 (*=Failure) ------------------------------------
Critical load case is 11, out of 10-14
Section: 360 UB 50.7 (I or H section, Rolled/SR)
Failure Crit Start Finish Axial Major Minor Major Minor Load Mode Case Pos'n Pos'n Force Shear Shear Moment Moment Factor
Section 11 3.265 -71.85 0.00 -81.02 211.05 0.00 1.15 Member 11 3.265 4.565 -71.93 211.05 0.00 1.15 Shear 11 3.265 -71.85 0.00 -81.02 211.05 0.00 1.40 (1.00)
Load Load Failure Case Factor Mode
10 1.55 Member - Member out-of-plane bending (8.4.4.1) 11 1.15 Member - Section bending about X-axis (8.3.2) 12 2.97 Member - Member out-of-plane bending (8.4.4.1) 13 1.78 Member - Member out-of-plane bending (8.4.4.2) 14 1.48 Member - Member out-of-plane bending (8.4.4.1)
Grade= 300 Fy = 300.0 MPa Fyw = 320.0 MPa Fu = 440.0 MPa Ltot = 12.517 m Lseg = 1.300 m (FL Top-Top) kt = 1.00 (5.6.3) kl = 1.00 (5.6.3) kr = 1.00 (5.6.3) Le = 1.300 m (Bending) (5.6.3) Lx = 12.517 m (Compression) Ly = 12.517 m (Compression) Lz = 3.265 m (Torsion) Ly/ry= 325.0 (Compression) Le/ry= 33.7 (Bending)
Arf = 0.0 mm^2 Arw = 0.0 mm^2 An = 6470.0 mm^2 Ae = 0.0 mm^2 (6.2.2) Kf = 0.00 (6.2.2) Kt = 1.00 (7.3) am = 1.27 (5.6.1.1) as = 0.96 (5.6.1.1) acx = 0.00 (6.3.3) acy = 0.00 (6.3.3) ab = 0.00 (6.3.3) bme = -1.00 (8.4.4.1) bmx = 1.00 (8.4.2.2) bmy = 0.00 (8.4.2.2) g = 0.00 (8.3.4) f = 0.90 (3.4)
N* = -71.93 kN Vx* = 0.00 kN (not considered) Vy* = -81.02 kN Mx* = 211.05 kNm (Compact) My* = 0.00 kNm (Compact)
fNt = 1746.90 kN (7.2) fNs = 0.00 kN (6.2) fNcx = 0.00 kN (6.3.3) fNcy = 0.00 kN (6.3.3) fNoz = 0.00 kN (8.4.4.1) fMo = 1785.45 kNm (5.6.1) fVvm = 361.82 kN (5.12) fMf = 182.91 kNm (5.12.2) fMsx = 242.19 kNm (5.2) fMsy = 45.47 kNm (5.2) fMbx = 242.19 kNm (5.6) fMox = 242.19 kNm (8.4.4) fMrx = 242.19 kNm (8.3.2) fMry = 45.47 kNm (8.3.3) fMix = 0.00 kNm (8.4.2.2) fMiy = 0.00 kNm (8.4.2.2) fMtx = 242.19 kNm (8.4.5.2) fMcx = 0.00 kNm (8.4.5.1)
Mx* ---- = 0.87 < 1.00 (Pass) Section bending about X-axis (8.3.2) fMrx
AS4100 1998 CALCULATIONS FOR GROUP 3 (*=Failure) ------------------------------------
Critical load case is 11, out of 10-14
Section: 360 UB 50.7 (I or H section, Rolled/SR)
Failure Crit Start Finish Axial Major Minor Major Minor Load Mode Case Pos'n Pos'n Force Shear Shear Moment Moment Factor
Section 11 11.165 -71.79 0.00 1.00 -133.15 0.00 1.82 Member 11 8.165 12.517 -71.87 -133.15 0.00 1.05 Shear 14 3.414 64.98 0.00 -52.65 -117.12 0.00 8.53 (1.00)
Load Load Failure Case Factor Mode
10 1.55 Member - Member out-of-plane bending (8.4.4.1) 11 1.05 Member - Member out-of-plane bending (8.4.4.2) 12 1.21 Member - Member out-of-plane bending (8.4.4.1) 13 1.78 Member - Member out-of-plane bending (8.4.4.2) 14 1.48 Member - Member out-of-plane bending (8.4.4.1)
Grade= 300 Fy = 300.0 MPa Fyw = 320.0 MPa Fu = 440.0 MPa Ltot = 12.517 m Lseg = 4.352 m (FF Bot-Bot) kt = 1.00 (5.6.3) kl = 1.00 (5.6.3) kr = 1.00 (5.6.3) Le = 4.352 m (Bending) (5.6.3) Lx = 12.517 m (Compression) Ly = 4.352 m (Compression) Lz = 4.352 m (Torsion) Ly/ry= 113.0 (Compression) Le/ry= 113.0 (Bending)
Arf = 0.0 mm^2 Arw = 0.0 mm^2 An = 6470.0 mm^2 Ae = 0.0 mm^2 (6.2.2) Kf = 0.00 (6.2.2) Kt = 1.00 (7.3) am = 1.02 (5.6.1.1) as = 0.54 (5.6.1.1) acx = 0.00 (6.3.3) acy = 0.00 (6.3.3) ab = 0.00 (6.3.3) bme = -1.00 (8.4.4.1) bmx = 0.47 (8.4.2.2) bmy = 0.00 (8.4.2.2) g = 0.00 (8.3.4) f = 0.90 (3.4)
N* = -71.87 kN Vx* = 0.00 kN (not considered) Vy* = 21.23 kN Mx* = -133.15 kNm (Compact) My* = 0.00 kNm (Compact)
fNt = 1746.90 kN (7.2) fNs = 0.00 kN (6.2) fNcx = 0.00 kN (6.3.3) fNcy = 0.00 kN (6.3.3) fNoz = 0.00 kN (8.4.4.1) fMo = 199.02 kNm (5.6.1) fVv = 449.07 kN (5.11) fMf = 182.91 kNm (5.12.2) fMsx = 242.19 kNm (5.2) fMsy = 45.47 kNm (5.2) fMbx = 133.79 kNm (5.6) fMox = 139.30 kNm (8.4.4) fMrx = 242.19 kNm (8.3.2) fMry = 45.47 kNm (8.3.3) fMix = 0.00 kNm (8.4.2.2) fMiy = 0.00 kNm (8.4.2.2) fMtx = 139.30 kNm (8.4.5.2) fMcx = 0.00 kNm (8.4.5.1)
Mx* ---- = 0.96 < 1.00 (Pass) Member out-of-plane bending (8.4.4.2) fMox
AS4100 1998 CALCULATIONS FOR GROUP 4 (*=Failure) ------------------------------------
Critical load case is 10, out of 10-14
Section: 530 UB 92.4 (I or H section, Rolled/SR)
Failure Crit Start Finish Axial Major Minor Major Minor Load Mode Case Pos'n Pos'n Force Shear Shear Moment Moment Factor
Section 14 7.000 78.76 0.00 59.14 -306.87 0.00 2.08 Member 10 0.000 7.000 77.15 -285.35 0.00 1.28 Shear 11 7.000 -70.46 0.00 -62.88 220.00 0.00 14.89 (1.00)
Load Load Failure Case Factor Mode
10 1.28 Member - Member out-of-plane bending (8.4.4.1) 11 2.91 Member - Section bending about X-axis (8.3.2) 12 1.44 Member - Member out-of-plane bending (8.4.4.1) 13 2.83 Member - Section bending about X-axis (8.3.2) 14 1.33 Member - Member out-of-plane bending (8.4.4.1)
Grade= 300 Fy = 300.0 MPa Fyw = 320.0 MPa Fu = 440.0 MPa Ltot = 7.500 m Lseg = 7.000 m (FP Top-Bot) kt = 1.03 (5.6.3) kl = 1.00 (5.6.3) kr = 1.00 (5.6.3) Le = 7.224 m (Bending) (5.6.3) Lx = 35.676 m (Compression) Ly = 7.000 m (Compression) Lz = 7.000 m (Torsion) Lx/rx= 164.6 (Compression) Le/ry= 160.9 (Bending)
Arf = 0.0 mm^2 Arw = 0.0 mm^2 An = 11800.0 mm^2 Ae = 10955.5 mm^2 (6.2.2) Kf = 0.93 (6.2.2) Kt = 1.00 (7.3) am = 1.80 (5.6.1.1) as = 0.37 (5.6.1.1) acx = 0.23 (6.3.3) acy = 0.25 (6.3.3) ab = 0.00 (6.3.3) bme = 0.00 (8.4.4.1) bmx = 0.00 (8.4.2.2) bmy = 0.00 (8.4.2.2) g = 0.00 (8.3.4) f = 0.90 (3.4)
N* = 77.15 kN (Slender) Vx* = 0.00 kN (not considered) Vy* = 40.64 kN Mx* = -285.35 kNm (Compact) My* = 0.00 kNm (Compact)
fNt = 0.00 kN (7.2) fNs = 2957.99 kN (6.2) fNcx = 671.54 kN (6.3.3) fNcy = 739.85 kN (6.3.3) fNoz = 0.00 kN (8.4.4.1) fMo = 298.41 kNm (5.6.1) fVv = 936.53 kN (5.11) fMf = 455.47 kNm (5.12.2) fMsx = 639.90 kNm (5.2) fMsy = 92.24 kNm (5.2) fMbx = 422.74 kNm (5.6) fMox = 378.66 kNm (8.4.4) fMrx = 639.90 kNm (8.3.2) fMry = 92.24 kNm (8.3.3) fMix = 621.73 kNm (8.4.2.2) fMiy = 82.62 kNm (8.4.2.2) fMtx = 0.00 kNm (8.4.5.2) fMcx = 378.66 kNm (8.4.5.1)
Mx* ---- = 0.75 < 1.00 (Pass) Member out-of-plane bending (8.4.4.1) fMox
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Copyright 2025 by Space Gass Pty Ltd