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TitleMoment Connection
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Page 2

L&T CHIYODA LIMITED

PROJECT:

TITLE:

RR SECTION OF INDMAX (FCC)

DESIGN CALCULATION FOR STANDARD MOMENT CONNECTION

(WELDED TYPE)

Doc No. PDRP6270-8310-CA-023-0001

Rev. O1






Grade of Steel = E250A (PDRP-8320-SP-0016)

Yield Stress (Min) = 250 MPa IS:800-2007 Table 1 & IS:2062)

Ultimate Tensile Stress(min) = 410 MPa (IS:800-2007 Table 1 & IS:2062)

Connection is Designed for 100 % moment capacity of section

gm0 = 1.1 (IS:800-2007 Table 5, Cl 5.4.1)

gmw = 1.25 (Shop Fabrications) (IS:800-2007 Table 5, Cl 5.4.1)
= 1.5 (Field Fabrications) ( IS:800-2007 Table 5, Cl 5.4.1)

gml = 1.25 (IS:800-2007 Table 5, Cl 5.4.1)
Legend :

h = Overall depth of section

fyw = Yield Strength of the web

Aw = Shear Area

ε = Constant (Depending of yield Stress)

Vd = Design Shear Strength

gm0 = Partial safety factor (Resistance, governed by yielding)

gmw = Partial safety factor (Resistance of connection Welds)

gml = Partial safety factor (Resistance governed by ultimate stress)

Section Classification (Refer IS:800-2007, Cl 3.7.2,Cl.3.7.4, Table 2) :

250 250

f y 250

ε = 1

bf / t f = 8.54 < 9.4 ε

h/tw = 32.91 < 84 ε

Section is Plastic Section(Class 1)

Design Forces :

a) Shear capacity of beam : (IS:800-2007, Cl.8.4.1)

Aw x fyw

3 gm0
Where,

fyw = 250

Aw = h x tw

= 203.2 x 5.7

Aw = 1158.24

Vd = 151980 N

Vd = 151.98 kN

1158.24 x 250

Vd

Vd =



=

3 x 1.1

=

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