. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . Fig. 78. — Standard Prussian Ties of Baltic Pine. (Bureau of Forestry, Bulletin No. 50.). Fig. 79. — Standard Oak and Beech Ties on the French Eastern Railway.(Bureau of Forestry, Bulletin No. 50.) 118 STEEL RAILS Keeping in mind the desirability of an increased bearing surface on theballast, it is suggested that a type of tie with a top-bearing surface of about n s- » -f / A V 1 ( s mmmmmmm. ?K. \ \ / ^\/ \\ \^ t lo- ■ i Distribution of Pressure from Tie Plate D
. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . Fig. 78. — Standard Prussian Ties of Baltic Pine. (Bureau of Forestry, Bulletin No. 50.). Fig. 79. — Standard Oak and Beech Ties on the French Eastern Railway.(Bureau of Forestry, Bulletin No. 50.) 118 STEEL RAILS Keeping in mind the desirability of an increased bearing surface on theballast, it is suggested that a type of tie with a top-bearing surface of about n s- » -f / A V 1 ( s mmmmmmm. ?K. \ \ / ^\/ \\ \^ t lo- ■ i Distribution of Pressure from Tie Plate Distribution of Pressure from Tie Plate in Half- in Ordinary Tie. round Tie. Fig. 80. — Distribution of Pressure from Tie Plate. 6 inches and a base-bearing surface ofanywhere from 8 to 12 inches will notonly give a sufficient bearing surfacefor the rail, but will also give a muchmore stable track. Such a tie is shownin Fig. 81. Fig. 82 shows the 7 by 8-inch tieand tie with 6-inch top and 12-inchbase, spaced as closely as is consistentwith the proper use of the shovel orother tool employed to tamp the tie.
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Keywords: ., bookcentury1900, bookdecade1910, bookidsteelrailsth, bookyear1913
