TESTS OP WESTERN YELLOW PINE CAR SILLS, ETC. 



13 























MODULUS of RLFTURE 



LBS. per. 50- IN. 



157 TE5T5 



CRUSHING STRENGTH 



at MAX LOAD 



LBS. per 5Q.IN. 



COMP.J TO GRAIN 



140 TE5T5 



MO0UUJ5 of ELASTICITY 



IOOO LBS. per SQ.IN. 



157 TESTS 



6000 















ng 

























3000 







Zl 



















18 















4000 







































3000 













?? ^* 



6 















// l& 











aooo 













































a 



^^40 



55 



14 



5 



" 







IOOO 











18 















ooo 





















20 



34 



22 24 26 28 X> 32 

 DRY WEIGHT- LBS. pep. CU. FT. 



Fig. 3. — Relation of strength values to dry weight in small, clear sticks of green western 



yellow pine. 



