ENG467St
eelDesi
gn
Assi
gnmentNo1
Duedat
e:wed7Apr
i
l2020
NOTE:1.Makenecessar
yassumpt
i
oni
fneededandst
at
ey
ourassumpt
i
on
2.I
fanymat
er
i
ali
scopi
eddi
r
ect
l
yf
r
om anot
hersour
cet
hepol
i
cyon
pl
agi
ar
i
sm
wi
l
lcomei
nt
opl
ayandt
heanswerwi
l
lnotbemar
ked
Q1.
(
a)
Acant
i
l
ev
erbeam of7m l
engt
hhasanaxi
alcompr
essi
v
ef
or
ceof60kN.I
tcar
r
i
esauni
f
or
ml
y
di
st
r
i
but
eddeadl
oadof10kn/
m andl
i
v
el
oadof8kn/
m.I
naddi
t
i
ont
her
ei
sapoi
ntdeadl
oadat
t
heendoft
hecant
i
l
ev
erof80kn.Usi
ngappr
opr
i
at
et
abl
ecal
cul
at
et
heMomentampl
i
cat
i
on
f
act
ori
ft
hebeam i
s(
a)br
aced(
b)notbr
aced.
(
b)
Asi
mpl
ysuppor
t
edbeam of6m l
engt
hcar
r
i
esadeadl
oadof10kn/
m andl
i
v
el
oadof8kn/
m.I
t
al
sosuppor
tapoi
ntdeadl
oadof60Knatt
hecent
r
e.Usi
ngt
hef
or
mul
acal
cul
at
et
hemoment
modi
f
i
cat
i
onf
act
or
.
Q2.
Thesect
i
onofanIbeam i
smadeoutoft
woi
dent
i
calf
l
angesandaweb.Thewi
dt
hofFl
angei
s
260mm andt
hi
ckness25mm.Webt
hi
cknessi
s10mm andt
het
ot
aldept
hoft
hesect
i
oni
s715
mm.f
=300mPa,ZX=5760X103 mm3 and SX=6390X103mm3.Det
er
mi
net
hemomentsect
i
on
y
capaci
t
yoft
hesect
i
on
Q3.
Fort
hebeam shownbel
ow consi
deral
lpossi
bl
el
oadi
ngcondi
t
i
onsanddr
aw t
hebendi
ng
momentenv
el
ope.
Poi
ntl
oadatt
heendi
s80kndedl
oad
Deadl
oad=10kn/
m
kN/
m,
Li
v
el
oad=8kN/
m
8m
Fi
gur
e1Beam wi
t
hov
er
hang
Q4.
1.
8
m
Asi
mpl
ysuppor
t
edbeam i
st
or
esi
stanul
t
i
mat
ebendi
ngmomentof400kNm and
anul
t
i
mat
eshearf
or
ceof250kN
Sel
ectasui
t
abl
egr
ade300Uni
v
er
sal
Beam sect
i
ont
ocar
r
yt
hi
sl
oad.
(
a)
(
b)
(
d)
Show cal
cul
at
i
ons.Eachpageshoul
dhav
eal
ef
thandcol
umnf
orgi
v
i
ng
AS4100cl
auseandt
abl
enumber
sandar
i
ghthandcol
umnf
orwr
i
t
i
ngt
he
i
mpor
t
antanswer
s.
St
at
eal
l
ofy
ourassumpt
i
ons.
Ver
i
f
yy
ourchosensect
i
onf
oral
l
aspect
sofbendi
ngandshear
.