.">0 I.I\ I. -l.o \!) STRESSES 



An example of the use of equivalent uniform loads has 

 already been given in Art. 8. The general formula S = 

 qAt may be used in any case. For the special cases of 

 bending moment in a beam and pier reaction between two 

 -imple spans, formula (31) gives 



M = g ........... (32) 



-,-.('4*) ...... <* 



The quantities in the parentheses are the areas of the 

 influence lines for M and R respectively. 



