. Electric railway review . the tie and foundationare integral, they may be considered first. In one locality a certain type of construction will afforda permanent foundation, ami show a great saving in costover any others, while in another locality, on account of variousconditions, this same construction may bo an absolute failures of concrete girders for supporting track railshave been due to adverse subgrade conditions, such as a wet. I ly drained subgrade. the presence of quicksand, or of a soft, spongy soil. Wherever subgrades of this character areencountered a sheet foundati
. Electric railway review . the tie and foundationare integral, they may be considered first. In one locality a certain type of construction will afforda permanent foundation, ami show a great saving in costover any others, while in another locality, on account of variousconditions, this same construction may bo an absolute failures of concrete girders for supporting track railshave been due to adverse subgrade conditions, such as a wet. I ly drained subgrade. the presence of quicksand, or of a soft, spongy soil. Wherever subgrades of this character areencountered a sheet foundation of concrete with ample drain-age and plenty of bearing surface should be used to supportthe permanent way. Using Old Boulder the early days of the horse car many tracks were pavedwith boulders. Today these stones are found to be as good aswhen they were first laid. They may not have been worthmuch when laid, and their value has not increased with age,but they were the best form of paving that could then be Substructures for Tracks in Streets—Details of Concrete Girder Construction with Reinforcement and Anchorage. The Track Rail Rests on Channel Iron Ties Embedded in a Concrete Substructure Reinforced with Kahn Bars. the demands, provided, of course, that in the end a financialsaving is effected. This saving in money may, perhaps, not beobtained in the track alone. There is still to be reckonedthe comparative effect on the patrons nerves. If a passengercan ride over the road without being jarred into a state ofnervousness, then it is safe to assume that the roadbed hasbeen well built. Nerves, therefore, as well as the obvioussaving to rolling stock by attention to track conditions, areassets that all companies should rate liberally. Convenient service, the maintaining of regular schedules,the proper handling of the car by the motorman aroundcurves, over switches and special work—all help to increasethe value of a road to its patrons and are dependent in g
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectstreetr, bookyear1906
