Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 237
passed through X, i. e., In the present paper the results ob- the intersection of the side slopes. Since tained will be applied to the computation (1) now contains four arbitrary con- of railroad cut and fill and borrow-pits. stants, we can make this curve pass In the article above referred to, it… … P4 at A. If A D is really the length of mula holds exactly when the upper sur- the next ordinate to the section of the face is represented by the equation, ground surface, then the section must p5=^/,(0) +*y,(0) +«/.(0) +W) (i) agree very closely with the mathemati- in which f1{0)if3(6)i &c, are…
Engineering
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