DESIGN OF BEAM
TRY:
W410X60
DEAD LOAD
LIVE LOAD
10
15
AISC MANUAL
kN
kN
E
Fy
PROPERTIES OF W410 X 60
406
mm
178
mm
d
bf
tf
tw
12.8
mm
7.75
mm
CHECK IF COMPACT OR NON COMPACT
200000 MPa
345 MPa
mass
Sx
60
1060*10^3
Zx
Lmax
1200*10^3
7
kg/m
mm3
mm3
m
FLANGE:
bf/2tf
178/2(12.8)
6.953
0.38√E/Fy
0.38√200x103/345
9.15
h/tw
(406-2(12.8))/7.75
49.08
3.76√E/Fy
3.76√200x103/345
90.53
bf/2tf < 0.38√E/Fy
THE FLANGE IS
COMPACT
h/tw< 3.76√E/Fy
THE WEB IS
COMPACT
FLANGE:
THEREFORE. THE SECTIONS IS COMPACT
BEAM IS LATERALLY SUPPORTED
Mn=Mp=FyZx
Mn
Mn
Mn
.=
.=
.=
345(1200X103)
414000000
414
N-mm
N-mm
Kn-m
.=
.=
10 + 60(9.81)/1000
10.589
Kn/m
Kn/m
TOTAL DEAD LOAD
Wd = DL + mg/1000
Wd
Wd
LRFD
Øb = 0.90
DESIGN STRENGTH
ØbMn
ØbMn
.=
.=
0.90(414)
372.6
Kn-m
Kn-m
Wu
Wu
Wu
.=
.=
.=
1.2DL + 1.6LL
1.2(10.589) + 1.6(15)
36.71
Kn-m
Kn-m
Kn-m
Mu
.=
WUL2/8
Kn-m
.=
.=
2
Kn-m
Kn-m
Mu
Mu
Mu
224.84875
LRFD
Ωb = 1.67
ALLOWABLE STRENGTH
Mn/Ωb
Mn/Ωb
<
<
THE SECTION IS SAFE!
36.71(7) /8
224.84875
ØbMn
372.6
.=
.=
414/1.67
247.9
Kn-m
Kn-m
W
W
W
.=
.=
.=
Wd + LL
10.589 + 15
25.589
Kn-m
Kn-m
Kn-m
Ma
.=
WL /8
2
Kn-m
2
Ma
Ma
.=
.=
25.589(7) /8
156.73
Ma
<
156.73
<
THE SECTION IS SAFE!
Mn/Ωb
247.9
Kn-m
Kn-m
0
