84 Rules and Tables adapted to Railway Earthworks. 

 Consequently, 



/ 2 2 2 2 , \\ 



\l m-jJf m+l V m~\-r m+r' m^r r m) | 



Effecting the multiplication and reduction of the terms we 

 obtain 



Example. 



Let height to right at one end of cutting or r = 20-5 

 height to left ... • • • Z = 27 -4 



height to right at other end ... r 32-1 



height to left at other end ... Z" = 38 '4 



length 

 base 

 slopes 



20-5 27-4 38-4 



27-4 19"2 13-7 



32'1 



38-4 46-6 52-1 

 . 20-5 32-1 



d = 100 

 & = 30 

 m = 2 



4)118-4 



2330 521 



29-6 9320 1042 



30 



955-30 



1563 



888 



1672-41 1672-41 



2627-71 

 2 



3)5255-42 



1751-80 

 888 



2639-8 

 100 



263980- cubic feet = 9777 yards. 



