DEVELOPMENT AND MANUFACTURE OF PRE-STRESSED CONCRETE SLEEPERS
The Tallington factory, completed in August, 1944, has 20 lines, each accommodating 100 standard main-line sleepers. Filling the moulds at one fixed place in the production line, allowed a vibrating table to be used and a water cement ratio of 0.39 for the concrete. For wiring, the coils of wire are carried on a track and the wires are drawn off under semi-tension, which obviates the need of first straightening the wires. As they leave the wire carrying truck they are automatically cleaned by passing through a scrubbing box containing carborundum granules. The method of manufacture allowed three minutes of working time per pair of sleepers during concreting and removal, this time factor also being maintained for the wiring processes. The reduction in labor costs using the mechanized mass-production process showed a savings of 88 percent over an earlier method described.
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Corporate Authors:
Temple Press Limited
161-166 Fleet Street
Longon EC4, England - Publication Date: 1946-5-17
Media Info
- Pagination: p. 538
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Serial:
- RAILWAY GAZETTE
- Volume: 84
Subject/Index Terms
- TRT Terms: Concrete; Concrete ties; Costs; Fabrication; Railroad ties; Technology; Track laying
- Geographic Terms: United Kingdom
- Old TRIS Terms: Shop fabrication; Track construction costs
- Subject Areas: Finance; Railroads;
Filing Info
- Accession Number: 00037291
- Record Type: Publication
- Files: TRIS
- Created Date: Dec 4 1994 12:00AM