CHAP. Xin.] ANALYTICAL FORMULJ3. 



at support 3, IVLj = (1 + 2 n) (2 + 2 n) w P 

 4 (45 4- 104 n + 60 



235 



, etc. 



If the load were in second span from left, and supports to 

 right of load were required, we have simply to count the sup- 

 ports the other way in the table. 



(1 



i 



W 



or 



in first case, etc. 



a 



TABLE FOR MOMENTS CONCENTRATED LOAD IN ANY SPAN, c = j- 



% 

 .S/id p7i n L Coefficients of P l T from table. 



The above tables give only the moments at the supports of 

 che loaded span. The Roman numerals L, II., III., etc., denote 

 the number of this span from left, and I'., II'., III'., the num- 

 ber of the loaded span from right. The expression for the 

 moment at left support is 



M = 



= P ^ [7' & - 



a 



