 Cross-Section Properties

UC 305x305x142.8
Geometry
Depth h 322.8 mm
UC 305x305x142.8
 BS 4-1:1993
Width b 308.9 mm
 Continental Steel
Web thickness tw 14.0 mm 308.9

Flange thickness tf 22.9 mm

22.9
Inner depth between flanges hi 277.0 mm 15.2

Root fillet radius r1 15.2 mm

Depth of straight portion of web d 246.7 mm

322.8
y
Sectional Area
Sectional area A 182.00 cm
14.0

Bending
Area moment of inertia about y-axis Iy 34670.00 cm
z
Area moment of inertia about z-axis Iz 11240.00 cm
Polar area moment of inertia Ip 45910.00 cm
Radius of gyration about y-axis iy 138.0 mm

Radius of gyration about z-axis iz 78.6 mm

Polar radius of gyration ip 158.8 mm

Maximum statical moment of area about y-axis max Sy 1206.50 cm

Maximum statical moment of area about z-axis max Sz 273.03 cm
Elastic section modulus about y-axis Wy 2148.00 cm
Elastic section modulus about z-axis Wz 728.00 cm

Shear
Shear area in y-direction Ay 118.10 cm
Shear area in z-direction Az 38.62 cm

Torsion
Torsional constant It 285.00 cm
Secondary torsional constant It,s 26562.03 cm
Section modulus for torsion Wt 124.45 cm

Warping
Warping ordinate with respect to shear center max ω 231.60 cm
Warping constant with respect to shear center Iω 2530000.00 cm
Warping radius of gyration with respect to shear center iω 74.2 mm

Warping section modulus with respect to shear center Wω 10924.11 cm

Maximum warping statical moment with respect to shear center max Sω 4095.70 cm

Stability
c/t ratio of flange c/tf 6.760 --

c/t ratio of web c/tw 17.700 --

Plasticity
Plastic section modulus about y-axis W pl,y 2413.00 cm
Plastic section modulus about z-axis W pl,z 1106.00 cm
Plastic warping section modulus with respect to shear center W pl,ω 16382.79 cm
Plastic section modulus of webs about y-axis W pl,y,webs 268.55 cm
Plastic section modulus of flanges about z-axis W pl,z,flanges 1092.55 cm
Plastic shape factor about y-axis αpl,y 1.123 --

Plastic shape factor about z-axis αpl,z 1.519 --

Plastic shape factor with respect to shear center αpl,ω 1.500 --

Plastic shear area in y-direction Apl,y 141.48 cm

Plastic shear area in z-direction Apl,z 41.99 cm
Plastic limiting axial force Npl 4282.901 kN

Plastic limiting shear force in y-direction Vpl,y 1919.511 kN

Plastic limiting shear force in z-direction Vpl,z 569.655 kN

Plastic limiting bending moment about y-axis Mpl,y 567.98 kNm

Plastic limiting bending moment about z-axis Mpl,z 260.43 kNm

Other
Ultimate resistance to axial force Nu 4282.901 kN
Weight G 142.9 kg/m
Surface area per unit length Am 1.830 m /m
Volume V 18200.00 cm /m
Section factor Am/V 100.549 1/m

Web area Aw 38.78 cm