BY FINITE DIFFERENCES OF PHYSICAL PROBLEMS, ETC. 



34SJ 



-e 



-10 



_ Q 



fl = 5- 7^5i (l) 



Fig. 8. Vertical stress xt on =! + for a dam G units high. [Talile (14) should read (!")).] 



-6 



-4 



-^ 



TABLE do) 

 TABLE (/) - 



/J=j TABLE (it) 



. 9. Shear < on s = for 'a dam 6 units high. [Table (14) should read (15).] 



