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Stability of expansive cement grout borehole seals emplaced in the vicinity of underground radioactive waste repositories
Date
2004-06-01
Author
Akgün, Haluk
DAEMEN, JJK
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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An expansive cementitious borehole plug emplaced in an underground opening in the vicinity of an underground nuclear waste repository may generate radial stresses on the walls of the opening due to an axial stress applied to the borehole plug and due to plug swelling. As these radial stresses may lead to the tensile fracturing of the rock, minimizing or preferably eliminating tensile stresses in rock is particularly important to preserve waste containment. Presented in this paper are the theoretical radial (normal) stress distribution and tensile strength in a borehole plug-rock system due to combined axial, thermal and lateral loading, along with analyses of plug-rock mechanical interactions in regards to borehole stability against tensile fracturing.
Subject Keywords
General Engineering
,
Earth and Planetary Sciences (miscellaneous)
,
Soil Science
,
General Earth and Planetary Sciences
,
Pollution
,
General Environmental Science
,
Water Science and Technology
,
Environmental Chemistry
URI
https://hdl.handle.net/11511/39895
Journal
ENVIRONMENTAL GEOLOGY
DOI
https://doi.org/10.1007/s00254-004-0984-5
Collections
Department of Geological Engineering, Article
Citation Formats
IEEE
ACM
APA
CHICAGO
MLA
BibTeX
H. Akgün and J. DAEMEN, “Stability of expansive cement grout borehole seals emplaced in the vicinity of underground radioactive waste repositories,”
ENVIRONMENTAL GEOLOGY
, vol. 45, no. 8, pp. 1167–1171, 2004, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/39895.