Evaluation of models for estimating changes in fracture permeability due to thermo-mechanical stresses in host rock surrounding a potential repository | Zendy

Patricia A. Berge | Zendy; Steve Blair | Zendy; R. A. Shaffer | Zendy; Hong Wang | Zendy

Open Access

Evaluation of models for estimating changes in fracture permeability due to thermo-mechanical stresses in host rock surrounding a potential repository

Author(s) -

Patricia A. Berge,

Steve Blair,

R. A. Shaffer,

Hong Wang

Publication year - 1997

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/3844

Subject(s) - permeability (electromagnetism) , radioactive waste , geotechnical engineering , geology , excavation , fracture (geology) , environmental science , engineering , waste management , genetics , membrane , biology

We provide in this report a methodology to estimate bounds on the changes in fracture permeability due to thermal-mechanical processes associated with excavation of drifts and emplacement of waste. This report is the first milestone associated with Task A of the LLNL initiative to evaluate available methods for estimating chamges in fracture permeability surrounding drifts in the Exploratory Studies Facility (ESF) and the potential repository at Yucca Mountain in response to (1) construction-induced stress changes and (2) subsequent thermal pulse effects due to waste emplacement. These results are needed for modeling changes in repository-level moisture movement and seepage

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