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Title: Characterization of hydrofracture grouts for radionuclide migration

Abstract

Detailed characterization of hydrofracture grouts was performed by optical microscopy, scanning electron microscopy, x-ray diffraction, and ..beta..-..gamma.. autoradiography. Laboratory-produced samples containing simulated wastes as well as actual radioactive samples of hydrofracture grout sheets obtained by core drilling were examined in this work. X-ray diffraction results revealed that both laboratory-produced samples and a core-drilled sample consisted primarily of calcium carbonate phases. Both sample types contained very small amounts of strontium or cesium wastes, neither of which could be detected by microscopic techniques. The core-drilled sample contained radioactive /sup 90/Sr, /sup 137/Cs, and /sup 60/Co that could be detected by ..beta..-..gamma.. autoradiography. The autoradiograph revealed that these radionuclides were still present in the 20-year-old grout and that they had not migrated into the trapped shale fragments.

Authors:
; ;
Publication Date:
Research Org.:
Oak Ridge National Lab., TN (USA)
OSTI Identifier:
6324764
Report Number(s):
CONF-830451-4
ON: DE83011398
DOE Contract Number:  
W-7405-ENG-26
Resource Type:
Conference
Resource Relation:
Conference: American Ceramic Society annual meeting, Chicago, IL, USA, 25 Apr 1983
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; 54 ENVIRONMENTAL SCIENCES; GROUTING; PHASE STUDIES; RADIOACTIVE WASTE DISPOSAL; HYDRAULIC FRACTURING; SHALES; RADIONUCLIDE MIGRATION; AUTORADIOGRAPHY; CEMENTS; LIQUIDS; SCANNING ELECTRON MICROSCOPY; SLUDGES; UNDERGROUND DISPOSAL; X-RAY DIFFRACTION; BUILDING MATERIALS; COHERENT SCATTERING; COMMINUTION; DIFFRACTION; ELECTRON MICROSCOPY; ENVIRONMENTAL TRANSPORT; FLUIDS; FRACTURING; MANAGEMENT; MASS TRANSFER; MATERIALS; MICROSCOPY; ROCKS; SCATTERING; SEDIMENTARY ROCKS; WASTE DISPOSAL; WASTE MANAGEMENT; 052002* - Nuclear Fuels- Waste Disposal & Storage; 053000 - Nuclear Fuels- Environmental Aspects; 510301 - Environment, Terrestrial- Radioactive Materials Monitoring & Transport- Soil- (-1987)

Citation Formats

Stinton, D P, McDaniel, E W, and Weeren, H O. Characterization of hydrofracture grouts for radionuclide migration. United States: N. p., 1983. Web.
Stinton, D P, McDaniel, E W, & Weeren, H O. Characterization of hydrofracture grouts for radionuclide migration. United States.
Stinton, D P, McDaniel, E W, and Weeren, H O. 1983. "Characterization of hydrofracture grouts for radionuclide migration". United States. https://www.osti.gov/servlets/purl/6324764.
@article{osti_6324764,
title = {Characterization of hydrofracture grouts for radionuclide migration},
author = {Stinton, D P and McDaniel, E W and Weeren, H O},
abstractNote = {Detailed characterization of hydrofracture grouts was performed by optical microscopy, scanning electron microscopy, x-ray diffraction, and ..beta..-..gamma.. autoradiography. Laboratory-produced samples containing simulated wastes as well as actual radioactive samples of hydrofracture grout sheets obtained by core drilling were examined in this work. X-ray diffraction results revealed that both laboratory-produced samples and a core-drilled sample consisted primarily of calcium carbonate phases. Both sample types contained very small amounts of strontium or cesium wastes, neither of which could be detected by microscopic techniques. The core-drilled sample contained radioactive /sup 90/Sr, /sup 137/Cs, and /sup 60/Co that could be detected by ..beta..-..gamma.. autoradiography. The autoradiograph revealed that these radionuclides were still present in the 20-year-old grout and that they had not migrated into the trapped shale fragments.},
doi = {},
url = {https://www.osti.gov/biblio/6324764}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Jan 01 00:00:00 EST 1983},
month = {Sat Jan 01 00:00:00 EST 1983}
}

Conference:
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