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Hard Clay as Host Medium Thermo-Mechanical Experiments and Model

Published online by Cambridge University Press:  28 February 2011

G. Baldi,
M. Borsetto,
T. Hueckel,
A. Peano and
E. Tassoni
G. Baldi
Affiliation:
ISMES SpA, V.le G. Cesare, 29, Bergamo, Italy
M. Borsetto
Affiliation:
ISMES SpA, V.le G. Cesare, 29, Bergamo, Italy
T. Hueckel
Affiliation:
ISMES SpA, V.le G. Cesare, 29, Bergamo, Italy
A. Peano
Affiliation:
ISMES SpA, V.le G. Cesare, 29, Bergamo, Italy
E. Tassoni
Affiliation:
ENEA, Casaccia, Rome, Italy
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Abstract

Clay's impermeability is an essential feature for the quality of a possible repository. However it results in a substantial pore water pressure rise induced by heating whose magnitude and dissipation rate depend on the clay's deformational response to heating. Experiments on thermal strains and effective stress are reported and the mathematical model implemented in a computer code is described. It allows study of a repository performance due to waste heating in both continental and subseabed clay formation.

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References

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