. Cross tie forms and rail fastenings with special reference to treated timbers . tes of one kind or another. While it is probable that stiffer rails will reduce the cutting actionof the rail on the tie to a minimum, there seems to be no doubt thatsome form of tie-plate will be necessary with soft woods, even whena stiff rail is used. By using the stiffer rail, which has a broad base,the tie-plate no longer need distribute the weight, as with the lighterrails, or at least that is a minor function. Its chief function on thesoft wood tie with stiff rails will be to prevent wear, and for this pur
. Cross tie forms and rail fastenings with special reference to treated timbers . tes of one kind or another. While it is probable that stiffer rails will reduce the cutting actionof the rail on the tie to a minimum, there seems to be no doubt thatsome form of tie-plate will be necessary with soft woods, even whena stiff rail is used. By using the stiffer rail, which has a broad base,the tie-plate no longer need distribute the weight, as with the lighterrails, or at least that is a minor function. Its chief function on thesoft wood tie with stiff rails will be to prevent wear, and for this purposesome form of plate, either of iron or of wood, will be —No. 50—04 2 18 CROSS-TIE FORMS AND RAIL FASTENINGS. If we consider the manner in which the load is distributed from thebase of a rail resting on a 5-inch plate, which in turn rests on a tie8 inches broad, we shall tind that the lines of force acting from sucha tie-plate are distributed on the ballast as indicated in fig. 3. Theactive portion of the tie. in other words, i-. practically of a trap-. V V
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectwoodpre, bookyear1904
