beam 55
DESCRIPTION
Beam no 55 CalculationTRANSCRIPT
55 ST UB152X102X13.4
PASS BS‐4.7 (C) 0.090 4
34.07 C ‐0.02 ‐0.62 0.00
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MATERIAL DATA
Grade of steel = S 275
Modulus of elasticity = 205 kN/mm2
Design Strength (py) = 275 N/mm2
SECTION PROPERTIES (units ‐ cm)
Member Length = 139.60
Gross Area = 17.30 Net Area = 17.30 Eff. Area = 17.30
z‐z axis y‐y axis
Moment of inertia : 683.000 91.000
Plastic modulus : 102.000 28.100
Elastic modulus : 91.127 18.182
Effective modulus : 102.000 28.100
Shear Area : 9.910 6.446
DESIGN DATA (units ‐ kN,m) BS5950‐1/2000
Section Class : COMPACT
Squash Load : 475.75
Axial force/Squash load : 0.072
z‐z axis y‐y axis
Compression Capacity : 470.6 378.9
Moment Capacity : 28.1 7.5
Reduced Moment Capacity : 27.8 7.5
Shear Capacity : 163.5 106.4
BUCKLING CALCULATIONS (units ‐ kN,m)
(axis nomenclature as per design code)
x‐x axis y‐y axis
Slenderness : 22.218 60.868
Radius of gyration (cm) : 6.283 2.293
Effective Length : 1.396 1.396
LTB Moment Capacity (kNm) and LTB Length (m): 24.64, 1.396
LTB Coefficients & Associated Moments (kNm):
mLT = 1.00 : mx = 1.00 : my = 1.00 : myx = 1.00
Mlt = 0.73 : Mx = 0.73 : My = 0.04 : My = 0.04
CRITICAL LOADS FOR EACH CLAUSE CHECK (units‐ kN,m):
CLAUSE RATIO LOAD FX VY VZ MZ MY
BS‐4.2.3‐(Y) 0.002 4 ‐ 0.2 ‐ ‐ ‐
BS‐4.3.6 0.030 4 ‐ 0.2 ‐ 0.7 ‐
BS‐4.7 (C) 0.090 4 34.1 ‐ ‐ ‐ ‐
BS‐4.8.3.2 0.026 4 34.1 0.0 0.0 0.7 0.0
BS‐4.8.3.3.1 0.128 4 34.1 ‐ ‐ 0.7 0.0
BS‐4.8.3.3.2 0.126 4 34.1 ‐ ‐ 0.7 0.0
ANNEX I.1 0.036 4 34.1 ‐ ‐ 0.7 0.0
Torsion and deflections have not been considered in the design.