File:Electric railway journal (1921) (14757942731).jpg

Identifier: electricrailway581921newy (find matches)
Title: Electric railway journal
Year: 1908 (1900s)
Authors:
Subjects: Electric railroads
Publisher: (New York) McGraw Hill Pub. Co
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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Brass Company resistance-type welders have also been used at locations wherecurrent was available. All joints are finally finishedoff with a reciprocating grinder after the track isentirely completed. Concreting Methods and Equipment After the track is assembled and welded and wedgedand blocked to grade and alignment the concrete forthe base is poured as a rather large scale operation.The concrete is prepared at a central mixing plant anddistributed 1,000 ft. either way by means of side dumpcars which are hauled over a narrow-gage track bymeans of kerosene engine locomotives supplied by theBurton Engine & Machine Company, Cincinnati. Aftera 2,000-ft. stretch of track is concreted the mixing plantis moved to the middle point of the next 2,000-ft. sec-tion and again erected. These mixing plants are usually located in a streetintersecting the line under construction. The concretematerials are brought by truck and unloaded in thestreet adjacent to the plant. From here they are picked
Text Appearing After Image:
9. Dumping concrete from cars into pan and pouring to maketrack foundation. 10. Another pouring scene showing how care is taken to g-etcomplete bearing under ties and rails. 11. Lift bridge used for operating concrete trains across exist-ing car tracks. 12. Concrete foundation completed and surface roughed up tosecure binding with paving concrete. 13. Crushed granite is dumped by truck loads on the track afterthe base has hardened. 14. Distributing the granite to a level slightly above the railready for rolling. 15. Appearance of track after spreading the layer of graniteand before rolling. , „ 16. Grouting machine. The stone is rolled both before andafter grouting to form compressed concrete paving. 17. After final rolling, hand-tampers remove any irregularitiesand smooth up the flangeway. 18. The final operation is to distribute surplus grout and cross-brush the surface. July 23, 1921 Electric Railway Journal 127 pi - J ; ;*-~ J I 16-

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