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Title: Deep Borehole Disposal Research: Geological Data Evaluation Alternative Waste Forms and Borehole Seals

Authors:
; ; ; ; ; ;
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE Office of Nuclear Energy (NE), Fuel Cycle Technologies (NE-5)
OSTI Identifier:
1165576
Report Number(s):
SAND2014-17430R
DOE Contract Number:
AC04-94AL85000
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English

Citation Formats

Arnold, Bill W., Brady, Patrick, Sutton, Mark, Travis, Karl, MacKinnon, Robert, Gibb, Fergus, and Greenberg, Harris. Deep Borehole Disposal Research: Geological Data Evaluation Alternative Waste Forms and Borehole Seals. United States: N. p., 2014. Web. doi:10.2172/1165576.
Arnold, Bill W., Brady, Patrick, Sutton, Mark, Travis, Karl, MacKinnon, Robert, Gibb, Fergus, & Greenberg, Harris. Deep Borehole Disposal Research: Geological Data Evaluation Alternative Waste Forms and Borehole Seals. United States. doi:10.2172/1165576.
Arnold, Bill W., Brady, Patrick, Sutton, Mark, Travis, Karl, MacKinnon, Robert, Gibb, Fergus, and Greenberg, Harris. Mon . "Deep Borehole Disposal Research: Geological Data Evaluation Alternative Waste Forms and Borehole Seals". United States. doi:10.2172/1165576. https://www.osti.gov/servlets/purl/1165576.
@article{osti_1165576,
title = {Deep Borehole Disposal Research: Geological Data Evaluation Alternative Waste Forms and Borehole Seals},
author = {Arnold, Bill W. and Brady, Patrick and Sutton, Mark and Travis, Karl and MacKinnon, Robert and Gibb, Fergus and Greenberg, Harris},
abstractNote = {},
doi = {10.2172/1165576},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Sep 01 00:00:00 EDT 2014},
month = {Mon Sep 01 00:00:00 EDT 2014}
}

Technical Report:

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  • This study is concerned with a preliminary engineering evaluation of borehole facilities for nuclear waste disposal in shales. Some of the geotechnical properties of Pierre, Rhinestreet, and typical illite shale have been collected. The influence of a few geotechnical properties on strength and deformation of host material is briefly examined. It appears that Pierre shale is very unstable and requires support to prevent collapse. Typical illite shale is more stable than Rhinestreet shale, although it undergoes relatively more deformation. 16 refs., 5 figs., 3 tabs.
  • One proposal for disposing of radioactive waste is to put it in drill holes or mined cavities so deep that the waste would be effectively isolated from the surface. Even if radioisotopes escaped from the disposal canister, they would be removed from the circulating groundwater system by sorption and/or chemical reaction in their transit on very long paths to the surface. This report summarizes the feasibilities and costs of making deep holes and deep mine shafts; estimates probable technological advances by the year 2000; presents thermal history and thermally induced stress calculations based on several assumptions regarding age of wastemore » and density of emplacement; and summarizes lack of knowledge that bear upon the isolation of waste at great depth. In strong rock, present technology would probably enable us to drill a hole 20 cm in diameter to a depth of 11 km and sink a shaft 10 m in diameter to about 4.4 km. By the year 2000, with advancement of technology, holes of 15 km depth and 20 cm diameter could be drilled, and shafts of 6.4 km or deeper could be sunk. The heat output of 5.5-year-old spent fuel and 6.5-year-old reprocessed waste is used to calculate temperature increases and stress buildings in the surrounding rocks. Some waste configurations may cause unacceptably high temperature increases; indeed, limitations on temperatures reached will in some cases limit the packing density of waste canisters and/or require longer cooling of the waste before emplacement. Sealing boreholes and shafts for significant times, i.e. 1,000 to 100,000 years presents additional problems. The casing or ling of the borehole or shaft would have to be removed in the region where seals are constructed, or the lining material would have to be designed to function as an integral part of the long-term seal. Sealing fractures in the rock around the borehole or shaft will be quite important.« less
  • An evaluation of available information on eleven alternative solid forms for immobilization of SRP high-level waste has been completed. Based on the assessment of both product and process characteristics, four forms were selected for more detailed evaluation: (1) borosilicate glass made in the reference process, (2) a high-silica glass made from a porous glass matrix, (3) crystalline ceramics such as supercalcine or SYNROC, and (4) ceramics coated with an impervious barrier. The assessment includes a discussion of product and process characteristics for each of the eleven forms, a cross comparison of these characteristics for the forms, and the bases formore » selecting the most promising forms for further study.« less
  • This practice is under the jurisdiction of ASTM Committee C-26 on Nuclear Fuel Cycle and is the direct responsibility of Subcommittee C26.13 on Repository Waste Package Materials Testing. The current edition was approved Dec. 10, 1997. It was published August 1998, and previously published as C 1174-91. The last previous edition was C 1174-91.
  • The US Department of Energy (DOE) is examining options for disposing of excess weapons-usable nuclear materials [principally plutonium (Pu) and highly enriched uranium (HEU)] in a form or condition that is substantially and inherently more difficult to recover and reuse in weapons production. This report is the data input report for the Programmatic Environmental Impact Statement (PEIS). The PEIS examines the environmental, safety, and health impacts of implementing each disposition alternative on land use, facility operations, and site infrastructure; air quality and noise; water, geology, and soils; biotic, cultural, and paleontological resources; socioeconomics; human health; normal operations and facility accidents;more » waste management; and transportation. This data report is prepared to assist in estimating the environmental effects associated with the construction and operation of a Deep Borehole Disposal Facility, an alternative currently included in the PEIS. The facility projects under consideration are, not site specific. This report therefore concentrates on environmental, safety, and health impacts at a generic site appropriate for siting a Deep Borehole Disposal Facility.« less