. The Street railway journal . FIG. 11 FIG. 12 FIG. 13 FIG. It a heavy beam of concrete under the rail or else a continuousbed of concrete not less than 6 ins. thick for pavement founda-tion, reinforced to 8 ins. or 10 ins. for 12 ins. either side of thegage lines. In this construction the tie simply serves as a tierod to hold the track to gage and as a temporary support whilethe track is being lined and surfaced previous to the placingof the concrete. If wooden ties are used they are 6 ins. x 8 8 ft., from 24 ins. to 30 ins. on centers, either broken stoneor gravel being used for ballas
. The Street railway journal . FIG. 11 FIG. 12 FIG. 13 FIG. It a heavy beam of concrete under the rail or else a continuousbed of concrete not less than 6 ins. thick for pavement founda-tion, reinforced to 8 ins. or 10 ins. for 12 ins. either side of thegage lines. In this construction the tie simply serves as a tierod to hold the track to gage and as a temporary support whilethe track is being lined and surfaced previous to the placingof the concrete. If wooden ties are used they are 6 ins. x 8 8 ft., from 24 ins. to 30 ins. on centers, either broken stoneor gravel being used for ballast. Often concrete is used in lieuof ballast, in which case it is not only tamped under and aroundthe ties, but under the rail as well. of work built after this manner, causing a track gang and thepattern maker, who had been sent after, lots of trouble at FirstAvenue and Thirty-Fourth Street, New York City. It is perhaps of interest to note that in the cast-iron workused nearly, if not quite, twenty years ago, hardened steelwea
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
