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Study in laboratory of the influence of temperature on clays creep; Etude au laboratoire de l`influence de la temperature sur le fluage des roches argileuses

Technical Report:

Abstract

This study is a research programme on safety of radioactive waste disposal. The objective of the research carried out was the study of the long term effects of the temperature variations on the volume and the texture of clayed soils, notably as function of their initial petrophysical and petrographical characteristics and their preconsolidation state. From the experimental point of view, this study is based on the observation of the volumetrical deformation of samples subjected to thermal loading within 20 and 110 deg C temperature range with periodical measurements of their permeability in an oedometric cell. A complete textural study before and after the experiments allows for a continuous appreciation of the evolution of the texture. A preliminary bibliographical review has shown that the clays characteristics evolution and their uniaxial volumic strain under different temperatures loadings may exhibit an expansive or compactive behaviour due to temperature increase. Some of the parameters such as water content, consolidation state, plasticity, mineralogy and time plays a major part and have been criteria for the choice of four clays for the experimental phase. The experimental device, used and conceived at the Centre de Geologie de l`Ingenieur is a classical oedometric cell with specific modifications due  More>>
Authors:
Boisson, J Y; [1]  Billotte, J; Norotte, V [2] 
  1. CEA Centre d`Etudes de Fontenay-aux-Roses, 92 (France). Dept. de Protection de l`Environnement et des Installations
  2. Ecole Nationale Superieure des Mines, 77 - Fontainebleau (France). Centre d`Information Geologique
Publication Date:
Dec 01, 1993
Product Type:
Technical Report
Report Number:
EUR-14693
Reference Number:
SCA: 360603; 052002; PA: AIX-25:002398; EDB-94:013670; ERA-19:004566; SN: 93001120046
Resource Relation:
Other Information: PBD: 1993
Subject:
36 MATERIALS SCIENCE; 12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; CLAYS; CREEP; BENCH-SCALE EXPERIMENTS; COMPRESSIBILITY; EXPERIMENTAL DATA; MINERALOGY; PERMEABILITY; PLASTICITY; RADIOACTIVE WASTE DISPOSAL; RESEARCH PROGRAMS; TEMPERATURE DEPENDENCE; 360603; 052002; MECHANICAL PROPERTIES; WASTE DISPOSAL AND STORAGE
OSTI ID:
10109525
Research Organizations:
Commission of the European Communities, Luxembourg (Luxembourg)
Country of Origin:
CEC
Language:
French
Other Identifying Numbers:
Other: ON: TI94608803; CNN: Contract Fl1W/0163; TRN: XE9300206002398
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
INIS
Size:
273 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Boisson, J Y, Billotte, J, and Norotte, V. Study in laboratory of the influence of temperature on clays creep; Etude au laboratoire de l`influence de la temperature sur le fluage des roches argileuses. CEC: N. p., 1993. Web.
Boisson, J Y, Billotte, J, & Norotte, V. Study in laboratory of the influence of temperature on clays creep; Etude au laboratoire de l`influence de la temperature sur le fluage des roches argileuses. CEC.
Boisson, J Y, Billotte, J, and Norotte, V. 1993. "Study in laboratory of the influence of temperature on clays creep; Etude au laboratoire de l`influence de la temperature sur le fluage des roches argileuses." CEC.
@misc{etde_10109525,
title = {Study in laboratory of the influence of temperature on clays creep; Etude au laboratoire de l`influence de la temperature sur le fluage des roches argileuses}
author = {Boisson, J Y, Billotte, J, and Norotte, V}
abstractNote = {This study is a research programme on safety of radioactive waste disposal. The objective of the research carried out was the study of the long term effects of the temperature variations on the volume and the texture of clayed soils, notably as function of their initial petrophysical and petrographical characteristics and their preconsolidation state. From the experimental point of view, this study is based on the observation of the volumetrical deformation of samples subjected to thermal loading within 20 and 110 deg C temperature range with periodical measurements of their permeability in an oedometric cell. A complete textural study before and after the experiments allows for a continuous appreciation of the evolution of the texture. A preliminary bibliographical review has shown that the clays characteristics evolution and their uniaxial volumic strain under different temperatures loadings may exhibit an expansive or compactive behaviour due to temperature increase. Some of the parameters such as water content, consolidation state, plasticity, mineralogy and time plays a major part and have been criteria for the choice of four clays for the experimental phase. The experimental device, used and conceived at the Centre de Geologie de l`Ingenieur is a classical oedometric cell with specific modifications due to the very long term tests at high temperatures. The main obtained results are: a compressibility increase between 20 and 110 deg C; a creep module evolution with temperature; a noteworthy creep showing the importance of the time in the strain measurement; an analogy between mechanical consolidation and thermal consolidation ; an highly irreversible behaviour during a cooling phase; a modification of the structure material due to the temperature, but different and less important than modifications due mechanical stresses; the intrinsic permeability appears to be practically independent of the imposed thermal variations.}
place = {CEC}
year = {1993}
month = {Dec}
}