This is a front End, Actual program is available with the software.

 
When Design Button is clicked, following Design Results will be displayed.
  

Design of Gantry Girder
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Span Of Gantry Girder (M) = 7.5
Effective Length of its Compression Flange (M) = 7.5
Spacing Between Wheels on Gantry Girder (M) = 3.5
Crane Capacity/Lifting Load (Tons) = 20
Self Weight of CRAB (Tons) = 4
Span of Crab Girder (c/c of gantry Girders {M}) = 15
Weight of Crab Girders excluding Crab( Tons) = 20
SELECTED ISMB = MB600
SELECTED ISMC = MC300
Width of top & bottom FLANGE PLATES (mm) = 0
Thickness of FLANGE PLATES (mm) = 0
Total Weight Of Compound Section (Kg) = 1187.92
Area of Section (cm2) = 201.85
IZZ Of Compound Section (cm4) = 120611.82
IYY Of Compound Section (cm4) = 9013.6
Zzt Of Compound Section (cm3) Top = 4955.59
Zzb Of Compound Section (cm3) Bottom = 3311.55
ZYY Of Compound Section (cm3) = 600.9
Zz_Plastic Of Compound Section (cm3) = 3660.76
Zy_Plastic Of Compound Section (cm3) = 711.27
Shape Factor Z_Z = 1.1
Shape Factor Y_Y = 1.18
RZZ Of Compound Section (cm4) = 24.44
RYY Of Compound Section (cm4) = 6.68
Factored Wheel Load in KN = 243
Factored Vertical Shear Force (KN) = 474.6
Factored Logitudinal Force (KN) = 12.15
Factored Lateral Force Per Wheel (KN) = 9
Factored Vertical BM in Gatry Girder (KN-M) = 686.1
Factored Horozontal BM in Gatry Girder (KN-M) = 19.8
Permissible Deflection (mm) = 10
Actual Deflection (mm) = 8.3
Depth Of Neutral Axis (mm) = 243.38
ISMB Section Class is : Plastic
b/tf = 4.75
d/tw = 46.53
ISMC Section Class is : Plastic
b/tf = 6.61
d/tw = 32.47
Beta = 1
C1 = 1.248
alpha = 0.21
PHI = 0.8
X_LT = 0.84
Mcr in KN-M = 1839.33
Design Bending Compressive Stress {fbd} in N/MM2 = 192.09
M_ZZ of Section in KN-M = 703.19
M_YY of Section in KN-M = 161.65
Vertical Shear Strength of Section in KN = 566.86
Vertical Shear Strength Restricted to 60 %.
Horizontal Shear Strength of Section in KN = 1146.33
Design Compressive Stress for Web in N/MM2 = 101.32
Shear Capacity of Web Under Buckling in KN = 486.34
A Minimum Gantry Bearing of 100 MM assumed on Bracket.
Shear Capacity of Web Under Bearing / Crippling in KN = 414.54
Assuming effective bearing of Wheel load on Gantry = 100 MM.
SR_ZZ = 30.68
SR_YY = 112.23
Governing SR = 112.23
Euler Bucking Stress in N/MM2_ZZ = 2097.39
Non Dimensional Effective SR Lambda_ZZ = 0.34
Value of PHI_ZZ = 0.59
Stress Reduction Factor ZZ = 0.92
Design Compressive Stress {fcd_ZZ) in N/MM2 = 210.43
Compressive Strength of Section_ZZ in KN = 4247.68
Euler Bucking Stress in N/MM2_YY = 156.74
Non Dimensional Effective SR Lambda_YY = 1.26
Value of PHI_YY = 1.55
Stress Reduction Factor YY = 0.4
Design Compressive Stress {fcd_YY) in N/MM2 = 92.01
Compressive Strength of Section_YY in KN = 1857.22
Tensile Strength of Section in KN = 4587.5
n = 0
mndy = 161.65
mndz = 703.19
Beam Unsafe, Ratio > 1 :: 
Ratio = 1.07 ::: Refer Section Strength : Clause 9.3.1.1

Ky = 1
ny = 0
Lambda_Y = 112.23
Lambda_LT = 0.7
Cmy, Cmlt = 0.95
Beam Unsafe, Ratio > 1 :: 
Ratio = 1.09 ::: Refer Section Strength : Clause 9.3.1.2

Kz = 1
Ky = 1
Lambda_Z = 30.68
Cmy, Cmz = 0.95
Beam Safe, Ratio < 1 :: 
Ratio = 1 ::: Refer Section Strength : Clause 9.3.1.2
 
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