. The street railway review . tual service, is to subject it to the traffic immediately adjacentto the rails of street railways. The wheels of vehicles crossingthe rails diagonally are slewed sidewise by the projecting edge ofthe rail, producing severe abrasion of the pavement by the a wheel rolling upon a pavement does not abrade thesurface except when brakes are applied; its action upon the pave-ment is rather a series of impacts or blows, more or less severe,depending upon the roughness of the pavement; it is only imme-diately adjacent to the rails that the wheels of traffi
. The street railway review . tual service, is to subject it to the traffic immediately adjacentto the rails of street railways. The wheels of vehicles crossingthe rails diagonally are slewed sidewise by the projecting edge ofthe rail, producing severe abrasion of the pavement by the a wheel rolling upon a pavement does not abrade thesurface except when brakes are applied; its action upon the pave-ment is rather a series of impacts or blows, more or less severe,depending upon the roughness of the pavement; it is only imme-diately adjacent to the rails that the wheels of traffic have anyabrasive action on the material of the pavement. Along side-bear-ing rails this action will of course be most pronounced on the outeredge of the rail. .And on account of abnormal length of axles ofcertain types of wagons, traffic will usually be most concentratedalong this same outer edge. That the wear of the pavement is measureably increased at suchpoints is plainly shown by the photograph reproduced in Fig. 4, of. /^f- z
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
