MODULUS ОР -RUPTURE 
: ІНЕН 
a е HRHHEHHHHHH 
8700 2 : 
8300} | - 
790 | : 
710 | $ 
6700]: : | 
6300} \ 
5900 \ 
550 E 
510 
470 | 
430 ii HH ini 
1 2 4 6 8 ІО 12. 
PERCENTAGE LOSS IN WEIGHT 
Fig. 9. Showing the relation between strength (when 1{X1{-ineh air-dry 
blocks were tested) and the percentage loss in weight due to the decay of long- 
leaf (O) and shortleaf (€) pine. 
