DEFLEXIONES

h 20inr 3ind h r 17 inb 12inL 20ftWD 1000

lbfft

fc 3000lbf

in2

n 9As 3in2 2 0

Igb h312

8 103 in4

fr 7.5 fclbf

in2 410.792 lbf

in2

yth2

10 in

Mcrfr Igyt

2.739 104 lbf ft

MaWD L

28

5 104 lbf ft

f x( )b2x2 n As x n As d

x 5inroot f x( ) x( ) 6.781 inx 6.781in

Icrb h33

n As d x( )2 3.482 104 in4

IeMcrMa

3Ig 1 Mcr

Ma

3

Icr 3.041 10

4 in4

Ec 57000 fclbf

in2 3.122 106 lbf

in2

D5

384

WD L4

Ec Ie 0.038 in

1 50 2

DD D 0.076 in

T D DD 0.114 in