B A B

2 C C

3.00

1.00 T

A T

=

= 5.00 4

Area

A y Ay I 1 43.75 138.75 6,070.31 1,116.54 (63.75)2 162.50 148.75 24,171.88 84.64 (73.75)3 362.50 75.00 27,187.50 635,130.21 - 4 162.50 1.25 203.13 84.64 73.75 5 43.75 11.25 492.19 1,116.54 63.75

775.00 58,125.00 637,532.55 1 43.75 63.75 2,789.06 22.79 (42.34)2 162.50 32.50 5,281.25 57,213.54 (11.09)3 362.50 1.25 453.13 188.80 20.16 4 162.50 32.50 5,281.25 57,213.54 (11.09)5 43.75 63.75 2,789.06 22.79 (42.34)

775.00 16,593.75 114,661.46

= 2,760,833.33 = 458,820.98 mm4

= 36,811.11

= 10,526.14 mm3

= 42,687.50 mm3

= 15,562.50 mm3

ymx

ymy

(ym-y)

Ixx mm4

Iyy

Zx mm3

Zy

Sx

Sy

= 150 mm = 65 mm = 20 mm = 2.5 mm

75.00 mm

21.41 mm

177,802.73 883,847.66 - 883,847.66 177,802.73

2,123,300.78 78,424.78 19,980.92 147,348.14 19,980.92 78,424.78

344,159.53

Depth of the web needed = 2.5

Half of the area = 387.50 mmArea need from web = 12.50 mm2

= 5.00 mm2

A(Ym-y)2

PN-Ayy