spreader beam.xls

Selecting Spreader Beam Check beam for ES/EEC 1 COMPRESSION STRESS Wgt tot = safety factor = Wgt tot = Y c.g = Ytot = b1 =

22046 1.5 33069 98.425 196.85 60.0

lbs times lb lbs in in

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+