Selecting Spreader Beam
Check beam for ES/EEC
1 COMPRESSION STRESS
Wgt tot =
safety factor =
Wgt tot =
Y c.g =
Ytot =
b1 =
22046 lbs
1.5 times
33069 lb
lbs
98.425 in
196.85 in
60.0
10000 kg
5000 mm
o
60.0 o
8.35 in
b2 =
h =
b2
b1
c2
c1
h
W1
W2
 =Ytot
Y.;
eam sele cte! " #200$200$8%12
&ro'erties "
r $$ =
0.339 in
r yy =
0.221 in
( =
9.85 in)2
*$ =
28.+92 in)3
,aterial "
( 36
*y =
.;
0.155
36000
'si
W1 = --YtotYc.g/% Ytot/Wgt tot =
W2 = -Y
- Yc.g% Ytot/Wgt tot =
16534.5 lbs
16534.5 lb
l bs
c1 = W1% tan - b1/ =
c = c1 = c2
9546 lbs
9546 lbs
om'ression *tress "
fa = c%( =
k%r=
+11.
+11.+4
+43
3
= c2
969.44 's
's i
 (llo
(lloa
abl
ble
e stre
stress
ss rom
rom (*
(* tabl
table
e 331
331 "
a =
295 'si 
increae the beam i!e
"#$ BEN%IN& STRESS
,1 =
c1h =
*tress !7e to moment
en!ing stress alloable "
+96++ lb
lb.in
= ,2
, =
,1
+96++ lb.in
fb =
b =
m =
e$ =
,%*$ =
0.66*y =
2+6+ 's
'si
23+60 'si hence
fb ' (b ) O * +
1
294.3 'si
,nit- Check .
hecking against (* -e7ation #11/
fa%a : m$fb$%--1fa%e$/b$/ : myfby%--1fa%ey/by/ =
hecking against (* -e7ation #12/
fa%0.6*y : fb$%b$ : fby%by =
0.16135144
' 1 )O*+
3.23+865 1)increae the i!e
of beam+