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Characterization of clay (bentonite)/crushed granite mixtures to build barriers against the migration of radionuclides: diffusion studies and physical properties

Abstract

In Spain, the possibility is being considered of storage of radioactive waste in granitic rocks, using Spanish clays as backfill and sealing materials. The study and selection of these materials is the objective of the project, accomplished with Community financial support under CEC contract No Fl1W-0191-E (TT). With the aim of minimizing the chemical-mineralogical disequilibrium between the granitic rock and the artificial barrier, the possibility has been studied of using molten granite as an additive and illite as clayish material, instead of the normal use of smectite (montmorillonite). The studies have been carried out on 30 commercial Spanish clays and two kinds of granite and have been orientated to the selection of materials and the optimization of the clay-granite mixtures, chemical characterization, mechanics and physics of the mixtures and compacted blocks, determination of their behaviour in the gradient fields of temperature, pressure and chemical potentials and to the determination of the migration parameters. 59 Figs.; 6 Micrograph; 52 Tabs.; 30 Refs.
Authors:
Mingarro, E; Rivas, P; Villar, L.P. del; Cruz, B de la; Gomez, P; Hernandez, A; Turrero, M J; Villar, M V; Campos, R; Cozar, J [1] 
  1. Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas, Madrid (ES)
Publication Date:
Dec 31, 1991
Product Type:
Technical Report
Report Number:
EUR-13666
Reference Number:
SCA: 052002; 360606; PA: FRD-92:000835; SN: 92000757138
Resource Relation:
Other Information: PBD: 1991
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 36 MATERIALS SCIENCE; SPAIN; RADIOACTIVE WASTE DISPOSAL; WASTE FORMS; BENCHMARKS; CLAYS; POROSITY; PLASTICITY; SHEAR PROPERTIES; GRANITES; SEALS; RADIONUCLIDE MIGRATION; BACKFILLING; HYDRAULIC CONDUCTIVITY; SWELLING; ILLITE; MONTMORILLONITE; THERMAL CONDUCTIVITY; 052002; 360606; WASTE DISPOSAL AND STORAGE; PHYSICAL PROPERTIES
OSTI ID:
10152472
Research Organizations:
Commission of the European Communities, Luxembourg (Luxembourg)
Country of Origin:
France
Language:
English
Other Identifying Numbers:
Other: ON: TI92526843; CNN: Contract Fl1W/0191-E (TT); TRN: FR9200835
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
FRN
Size:
136 p.
Announcement Date:
Jul 05, 2005

Citation Formats

Mingarro, E, Rivas, P, Villar, L.P. del, Cruz, B de la, Gomez, P, Hernandez, A, Turrero, M J, Villar, M V, Campos, R, and Cozar, J. Characterization of clay (bentonite)/crushed granite mixtures to build barriers against the migration of radionuclides: diffusion studies and physical properties. France: N. p., 1991. Web.
Mingarro, E, Rivas, P, Villar, L.P. del, Cruz, B de la, Gomez, P, Hernandez, A, Turrero, M J, Villar, M V, Campos, R, & Cozar, J. Characterization of clay (bentonite)/crushed granite mixtures to build barriers against the migration of radionuclides: diffusion studies and physical properties. France.
Mingarro, E, Rivas, P, Villar, L.P. del, Cruz, B de la, Gomez, P, Hernandez, A, Turrero, M J, Villar, M V, Campos, R, and Cozar, J. 1991. "Characterization of clay (bentonite)/crushed granite mixtures to build barriers against the migration of radionuclides: diffusion studies and physical properties." France.
@misc{etde_10152472,
title = {Characterization of clay (bentonite)/crushed granite mixtures to build barriers against the migration of radionuclides: diffusion studies and physical properties}
author = {Mingarro, E, Rivas, P, Villar, L.P. del, Cruz, B de la, Gomez, P, Hernandez, A, Turrero, M J, Villar, M V, Campos, R, and Cozar, J}
abstractNote = {In Spain, the possibility is being considered of storage of radioactive waste in granitic rocks, using Spanish clays as backfill and sealing materials. The study and selection of these materials is the objective of the project, accomplished with Community financial support under CEC contract No Fl1W-0191-E (TT). With the aim of minimizing the chemical-mineralogical disequilibrium between the granitic rock and the artificial barrier, the possibility has been studied of using molten granite as an additive and illite as clayish material, instead of the normal use of smectite (montmorillonite). The studies have been carried out on 30 commercial Spanish clays and two kinds of granite and have been orientated to the selection of materials and the optimization of the clay-granite mixtures, chemical characterization, mechanics and physics of the mixtures and compacted blocks, determination of their behaviour in the gradient fields of temperature, pressure and chemical potentials and to the determination of the migration parameters. 59 Figs.; 6 Micrograph; 52 Tabs.; 30 Refs.}
place = {France}
year = {1991}
month = {Dec}
}