Manual for railroad engineers and engineering students : containing the rules and tables needed for the location, construction, and equipment of railroads as built in the United States (1883)
Vose, George L. (George Leonard), 1831-1910 · Boston : Lee and Shepard · leaf 362
strengththan if it is intended to retain an embankment subjected to theweight and jar of a railroad train. The elaborate investigationsof mathematicians upon this subject are more interesting tothemselves than useful to engineers. The empirical rule of mak-ing the mean thickness of the wall ^ the… … -T-V mered, has been found to give safe results.* In special cases ofunusual difficulty it may be advisable to aid the retaining wallby buttresses, as in Fig. 146, or by counterforts, or by relievingarches behind the wall. Very much depends, also, upon the man- * The rules given in some of the…
Railroad engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Works. Popular edition.] 2 series (1886)](https://img.insideoutlibrary.com/img/200/bl-bl_003191336_5-75-1.webp)
