102




Case 1: For 10.0 < E < 30.0 ksi and 3.0 < t < 6.0 in.,
 2 1


 0.9362
 0.794 (31.0 E )
 K = 7.99 + 26.64 (8/t ) 2
 1 1


0.3463


K = 0.7828(E )
2 2


0.569 1.08 t 4.5 -028(E
 [t (-1 ]
 1 6


Case 2: For 32.0 < E < 85.0 ksi, and 2.0 in. < t
 2


K = 32.93 1.636 (E


 0.621
K = 0.6779 (E ) [t
2 2 1


 S30 0.3826
- 30.15)


1.08 t 4.5
 ( L) ]
 6


(6.2 t )
 1


 0.3463
-0,289(E )
 2


Case 3: For 10.0 < E < 85.0 ksi, and 7.0 < t < 10.0 in.,
 2 1


K = 36.661 0.1218(E2)
1i


Eqn. 4.2


Eqn. 4.3


< 6.0 in.,


Eqn. 4.4


Eqn. 4.5


Eqn. 4.6