3012 



Chapter 24 







.100 



.075 



.050 



.025 



INITIAL LOADING 



600 PSI 



450 PSI 



p 



FLEXURE 



^3 RANDOM FLAKEBOARD 

 Cnnni ORIENTED FLAKEBOARD 

 ^S PLYWOOD 



50 



125 



.100 



.075 



.050 



.025 



32 - DAY 



600 PSI 



450 PSI 



Figure 24-46B. — Deflection of 1/2-inch-thick flexure specimens of random flokeboard, 

 oriented flokeboard, and southern pine three-ply CDX plywood, at two stress levels 

 and with data from 4-, 8-, and 32-day relative humidity cycles pooled; specimens cut 

 to evaluate 8-foot panel direction. (Top) When initially loaded. (Bottom) After 32 days 

 cycling between 50 and 85 percent relative humidity. (Drawing after Price, text 

 footnote.^°) 



