Design Of Gantry Girder As Per IS : 800  2007 
This is
a front End, Actual program is available with the software.

SPAN
OF THE GANTRY GIRDER (M) 

Effective
Length of its Compression Flange (M) 

Spacing
between Wheels on Gantry Girder (M) 

CRANE
CAPACITY/LIFTING LOAD (Tons) {UnFactored} 

Self
Weight of CRAB (Tons) {UnFactored} 

Span
of Crab Girder (c/c of gantry Girders {M}) 

Weight
of Crab Girders excluding Crab( Tons) {UnFactored} 

SELECT
ISMB 

SELECT
ISMC 

Width
of top & bottom FLANGE PLATES (MM) 

Thickness
of FLANGE PLATES (MM) 

Yield
Stress (Fy) in N / MM2 

Permissible
Slenderness Ration {L / R} 


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

Design of Gantry Girder

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 (KNM) = 686.1
Factored Horozontal BM in Gatry Girder (KNM) = 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 KNM = 1839.33
Design Bending Compressive Stress {fbd} in N/MM2 = 192.09
M_ZZ of Section in KNM = 703.19
M_YY of Section in KNM = 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
%%%%% Section is Unsafe %%%%%
