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Dimensioning of lining galleries in deep clays; Dimensionnement du soutenement des galeries creusees dans l`argile profonde

Technical Report:

Abstract

The aim of the work presented in this report is to study the mechanical behaviour of lining galleries in deep clays. This text constitutes a part of the researches on the feasibility of a geological disposal of radioactive waste, which the scope is to assure the gallery long term stabilization and also to optimize its dimensioning. In particular, we are interested here in the study of a closure controlled lining, that constitutes a direct application of the convergence-confinement method, especially well fitted to deep clays. The presentation and interpretation of the convergence controlled lining test, which was performed in the experimental gallery of Mol in Belgium, is given in this report. The instrumentation was conceived in order to find out the stress field exerced by the rockmass on the lining, the internal stress field inside the lining and the gallery closure. The analysis of all measurements results, obtained between november 1987 and December 1989, shows that they are all in good agreement and that the lining design was well chosen. Two years after the gallery construction, the average closure is of the order of 2% and the average confinement pressure is about 1.6 MPa (the third of the lithostatic pressure).  More>>
Authors:
Bernaud, D; Rousset, G [1] 
  1. Ecole polytechnique, 91 - Palaiseau (FR). Lab. de mecanique des Solides
Publication Date:
Dec 31, 1991
Product Type:
Technical Report
Report Number:
EUR-13267
Reference Number:
SCA: 052002; 540250; 580000; PA: FRD-92:000045; SN: 92000658007
Resource Relation:
Other Information: PBD: 1991
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 54 ENVIRONMENTAL SCIENCES; 58 GEOSCIENCES; RADIOACTIVE WASTE DISPOSAL; CLAYS; UNDERGROUND FACILITIES; BELGIUM; ROCK MECHANICS; FIELD TESTS; STRESSES; TIME DEPENDENCE; PRESSURE MEASUREMENT; BENCH-SCALE EXPERIMENTS; MATHEMATICAL MODELS; ELASTICITY; PLASTICITY; VISCOSITY; 052002; 540250; 580000; WASTE DISPOSAL AND STORAGE; SITE RESOURCE AND USE STUDIES; GEOSCIENCES
OSTI ID:
10116512
Research Organizations:
Commission of the European Communities, Luxembourg (Luxembourg)
Country of Origin:
France
Language:
French
Other Identifying Numbers:
Other: ON: TI92767103; CNN: Contract FI1W/0112; TRN: FR9200045
Availability:
OSTI; NTIS (US Sales Only)
Submitting Site:
FRN
Size:
194 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Bernaud, D, and Rousset, G. Dimensioning of lining galleries in deep clays; Dimensionnement du soutenement des galeries creusees dans l`argile profonde. France: N. p., 1991. Web.
Bernaud, D, & Rousset, G. Dimensioning of lining galleries in deep clays; Dimensionnement du soutenement des galeries creusees dans l`argile profonde. France.
Bernaud, D, and Rousset, G. 1991. "Dimensioning of lining galleries in deep clays; Dimensionnement du soutenement des galeries creusees dans l`argile profonde." France.
@misc{etde_10116512,
title = {Dimensioning of lining galleries in deep clays; Dimensionnement du soutenement des galeries creusees dans l`argile profonde}
author = {Bernaud, D, and Rousset, G}
abstractNote = {The aim of the work presented in this report is to study the mechanical behaviour of lining galleries in deep clays. This text constitutes a part of the researches on the feasibility of a geological disposal of radioactive waste, which the scope is to assure the gallery long term stabilization and also to optimize its dimensioning. In particular, we are interested here in the study of a closure controlled lining, that constitutes a direct application of the convergence-confinement method, especially well fitted to deep clays. The presentation and interpretation of the convergence controlled lining test, which was performed in the experimental gallery of Mol in Belgium, is given in this report. The instrumentation was conceived in order to find out the stress field exerced by the rockmass on the lining, the internal stress field inside the lining and the gallery closure. The analysis of all measurements results, obtained between november 1987 and December 1989, shows that they are all in good agreement and that the lining design was well chosen. Two years after the gallery construction, the average closure is of the order of 2% and the average confinement pressure is about 1.6 MPa (the third of the lithostatic pressure). The time dependent effects of the rockmass are very well modelled by the non linear elasto-viscoplastic law developed at L.M.S. with the laboratory tests. The elastic-plastic model of the lining are shown to be well fitted to simulate the sliding of the ribs. Finally, the numerical results have shown a very good agreement with the measurements results.}
place = {France}
year = {1991}
month = {Dec}
}