Development of shaft lining and service line extension systems compatible with blind shaft borer excavation rates. Phase I. Design. Final technical report
This report presents a conceptual design of shaft lining and service line extension systems to be used in conjunction with the Blind Shaft Borer (BSB) developed by the Robbins Company. These systems will allow the BSB to advance at a rate of 50 ft/day on a steady-state basis to depths of 2000 ft. In addition, these systems will ensure that no more than 25 ft of unlined shaft remains above the transfer deck of the BSB at any given time. This design makes use of a mechanized cylindrical form to cast a quick-setting concrete lining 22 ft in diameter. The service lines are suspended from the surface and lowered into the shaft. A description of the design, operation sequences, and performance are presented for both systems. Economic feasibility and feature testing requirements are also described.
- Research Organization:
- Battelle Pacific Northwest Labs., Richland, WA (USA)
- OSTI ID:
- 5751068
- Report Number(s):
- FE-9125-1; PNL-2547
- Country of Publication:
- United States
- Language:
- English
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