Longevity of Emplacement Drift Ground Support Materials, Rev. 01 [electronic resource]

The purpose of this analysis is to evaluate the factors affecting the longevity of emplacement drift ground support materials and to develop a basis for the selection of materials for ground support that will function throughout the preclosure period of a potential repository at Yucca Mountain. The...

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Bibliographic Details
Online Access: Online Access
Corporate Author: United States. Department of Energy. Yucca Mountain Project Office (Researcher)
Format: Government Document Electronic eBook
Language:English
Published: Washington, D.C : Oak Ridge, Tenn. : United States. Dept. of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2000.
Subjects:

MARC

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520 3 |a The purpose of this analysis is to evaluate the factors affecting the longevity of emplacement drift ground support materials and to develop a basis for the selection of materials for ground support that will function throughout the preclosure period of a potential repository at Yucca Mountain. The Development Plan (DP) for this analysis is given in Longevity of Emplacement Drift Ground Support Materials (CRWMS M&O 1999a). The objective of this analysis is to update the previous analysis (CRWMS M&O 2000a) to account for related changes in the Ground Control System Description Document (CRWMS M&O 2000b), the Monitored Geologic Repository Project Description Document (CRWMS M&O 1999b), and in environmental conditions, and to provide updated information on candidate ground support materials. Candidate materials for ground support are carbon steel and cement grout. Steel is mainly used for steel sets, lagging, channel, rock bolts, and wire mesh. Cement grout is only considered in the case of grouted rock bolts. Candidate materials for the emplacement drift invert are carbon steel and crushed rock ballast. Materials are evaluated for the repository emplacement drift environment based on the updated thermal loading condition and waste package design. The analysis consists of the following tasks: (1) Identify factors affecting the longevity of ground support materials for use in emplacement drifts; (2) Review existing documents concerning the behavior of candidate ground support materials during the preclosure period; (3) Evaluate impacts of temperature and radiation effects on mechanical and thermal properties of steel. Assess corrosion potential of steel at emplacement drift environment; (4) Evaluate factors affecting longevity of cement grouts for fully grouted rock bolt system. Provide updated information on cement grout mix design for fully grouted rock bolt system; and (5) Evaluate longevity of materials for the emplacement drift invert. 
536 |b AC08-91RW00134. 
650 7 |a Radioactive Waste Facilities.  |2 local. 
650 7 |a Corrosion.  |2 local. 
650 7 |a Sealing Materials.  |2 local. 
650 7 |a Grouting.  |2 local. 
650 7 |a Carbon Steels.  |2 local. 
650 7 |a Radioactive Waste Disposal.  |2 local. 
650 7 |a Radiation Effects.  |2 local. 
650 7 |a Roof Bolts.  |2 local. 
650 7 |a Service Life.  |2 local. 
650 7 |a Positioning.  |2 local. 
650 7 |a Thermodynamic Properties.  |2 local. 
650 7 |a Cements.  |2 local. 
650 7 |a Strata Control.  |2 local. 
650 7 |a Yucca Mountain.  |2 local. 
650 7 |a Materials Science.  |2 edbsc. 
650 7 |a Management Of Radioactive Wastes, And Non-radioactive Wastes From Nuclear Facilities.  |2 edbsc. 
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