214 ANALES DE LA SOCIEDAD CIENTÍFICA ARGENTINA 



Platabanda inferior 



Bai 



xas 



Po 



Pa 



P 2 



Pv 



o 1 



2i 



34.7 



92.4 







9.4 



% 



4x 



34.7 



92.4 







18.7 



4. 



6, 



36.1 



90.8 







24.9 



6, 



8, 



36.3 



89.6 

 Montantes 







27.6 



¿i 



2, 



3.7 



8.0 











3, 



4> 



3.7 



11.2 











5i 



6x 



3.7 



10.8 











?i 



8, 



3.7 



6.6 











Diagonales 



ll 



\ 







15.0 







3, 



6i 







17.9 







5x 



8, 







21.1 







2, 



3, 







46.9 







4, 



5, 







30.0 







6, 7, 13.3 



"Viga sobresaliente ó en consola 



Platabanda superior 



15, 16, 



66.1 



145.8 







16, 18, 



68.1 



150.0 







18, 20, 



70.7 



148.6 







Platabanda inferior 



15, 17, 63.8 136.0 3.1 



17, 19, 63-3 133.0 18.7 



19, 21, 65.1 138.6 37.4 







Montantes 





16, 17, 



1.0 



6.6 







18, 19, 



0.7 



4.1 







20, 21, 



32.4 



62.3 







