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Geochemical Processes and compacted bentonite FEBEX with a thermohydraulic gradient with a thermohydraulic gradient; Procesos geoquimicos y modificaciones texturales en bentonita FEBEX compactada sometida a un gradiente termohidraulico

Abstract

At present, the main source of High Level radioactive Waste (HLW) is the electrical energy production during all sep of developing. In almost all the countries with nuclear programs, the option for the final management of HLW is the Deep Geological Repository (DGR), based on the concept of multi barrier. According to this concept, the wastes is isolated from biosphere by the interposition of confinement barrier. In the context of an investigation of the near field for a repository of HLW, the FEBEX Project, a set of laboratory test has been designed to give a better understanding of the thermo-hydro-mechanical and geochemical behaviour of the compacted bentonite as a confinement barrier. The object of these work is to analyse the properties of the bentonite and its behaviour under conditions that will be found in a repository. The precipitation of mineral phases, due to local changes in the chemical equilibrium and the hydration itself, can produce changes in the salinity of the interstitial water and in the microstructural organisation of the clay particles. the hydraulic and mechanical properties of the bentonite can be modified by the special conditions of the barrier. (Author)
Authors:
Leguey Jimenez, S; Cuevas Rodriguez, J; Martin Barca, M; Vigil de la Villa Mencia, R.; Ramirez Martin, S; Garcia Gimenez, R [1] 
  1. Universidad Autonoma de Madrid (Spain)
Publication Date:
Jul 01, 2002
Product Type:
Technical Report
Report Number:
ENRESA-10/2002
Resource Relation:
Other Information: PBD: 2002
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; HIGH-LEVEL RADIOACTIVE WASTES; RADIOACTIVE WASTE DISPOSAL; BENTONITE; CONTAINMENT; TESTING; SALINITY; THERMODYNAMICS
OSTI ID:
20344626
Country of Origin:
Spain
Language:
Spanish
Other Identifying Numbers:
TRN: ES03B0163
Availability:
INIS
Submitting Site:
SPN
Size:
154 pages
Announcement Date:

Citation Formats

Leguey Jimenez, S, Cuevas Rodriguez, J, Martin Barca, M, Vigil de la Villa Mencia, R., Ramirez Martin, S, and Garcia Gimenez, R. Geochemical Processes and compacted bentonite FEBEX with a thermohydraulic gradient with a thermohydraulic gradient; Procesos geoquimicos y modificaciones texturales en bentonita FEBEX compactada sometida a un gradiente termohidraulico. Spain: N. p., 2002. Web.
Leguey Jimenez, S, Cuevas Rodriguez, J, Martin Barca, M, Vigil de la Villa Mencia, R., Ramirez Martin, S, & Garcia Gimenez, R. Geochemical Processes and compacted bentonite FEBEX with a thermohydraulic gradient with a thermohydraulic gradient; Procesos geoquimicos y modificaciones texturales en bentonita FEBEX compactada sometida a un gradiente termohidraulico. Spain.
Leguey Jimenez, S, Cuevas Rodriguez, J, Martin Barca, M, Vigil de la Villa Mencia, R., Ramirez Martin, S, and Garcia Gimenez, R. 2002. "Geochemical Processes and compacted bentonite FEBEX with a thermohydraulic gradient with a thermohydraulic gradient; Procesos geoquimicos y modificaciones texturales en bentonita FEBEX compactada sometida a un gradiente termohidraulico." Spain.
@misc{etde_20344626,
title = {Geochemical Processes and compacted bentonite FEBEX with a thermohydraulic gradient with a thermohydraulic gradient; Procesos geoquimicos y modificaciones texturales en bentonita FEBEX compactada sometida a un gradiente termohidraulico}
author = {Leguey Jimenez, S, Cuevas Rodriguez, J, Martin Barca, M, Vigil de la Villa Mencia, R., Ramirez Martin, S, and Garcia Gimenez, R}
abstractNote = {At present, the main source of High Level radioactive Waste (HLW) is the electrical energy production during all sep of developing. In almost all the countries with nuclear programs, the option for the final management of HLW is the Deep Geological Repository (DGR), based on the concept of multi barrier. According to this concept, the wastes is isolated from biosphere by the interposition of confinement barrier. In the context of an investigation of the near field for a repository of HLW, the FEBEX Project, a set of laboratory test has been designed to give a better understanding of the thermo-hydro-mechanical and geochemical behaviour of the compacted bentonite as a confinement barrier. The object of these work is to analyse the properties of the bentonite and its behaviour under conditions that will be found in a repository. The precipitation of mineral phases, due to local changes in the chemical equilibrium and the hydration itself, can produce changes in the salinity of the interstitial water and in the microstructural organisation of the clay particles. the hydraulic and mechanical properties of the bentonite can be modified by the special conditions of the barrier. (Author)}
place = {Spain}
year = {2002}
month = {Jul}
}