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L.2 HOST ROCK PROPERTIES<br />

L.4<br />

Research and development projects to better define host rock properties are listed<br />

below by several subcategories.<br />

L.2.1 Discontinuities<br />

USGS Development <strong>of</strong> geophysical techniques, high frequency<br />

electromagnetic borehole techniques<br />

LLL Development <strong>of</strong> single hole electromagnetic probe<br />

RHO Verification studies <strong>of</strong> specific geologic structures <strong>of</strong><br />

the Columbia Plateau.<br />

L.2.2 Rock Strength and Excavation Stability<br />

USGS/LASL-SLA Evaluation <strong>of</strong> granite, argillite, and tuff at the Nevada<br />

Test Site and in southern Nevada<br />

USGS Surveys <strong>of</strong> granite and other crystalline rocks, argil-<br />

laceous rocks, western Cretaceous shales tuff and zeoli-<br />

tised tuff<br />

DOE/LBL Directional permeability <strong>of</strong> Stripa granite<br />

DOE/BNL Geothermometry <strong>of</strong> shale<br />

DOE/SLA In-situ test <strong>of</strong> Conasauga Shale<br />

DOE/LLL Granite heater and rock mechanics test Climax Stock.<br />

L.2.3 Hardness and Mineability<br />

ORNL/SAI Expected repository environments<br />

RE/SPEC Repository concepts analysis<br />

Univ. <strong>of</strong> Minn. Development <strong>of</strong> displacement-discontinuity models<br />

ORNL Salt model piller studies<br />

USGS Geomechanics<br />

RHO/CSM Advanced rock testing <strong>of</strong> basalt<br />

LLL Mechanical behavior <strong>of</strong> rocks under pressure<br />

LBL Material behavior <strong>of</strong> strips granite<br />

LBL Ultra-large rock core tests<br />

RHO/PNL/and Others Field investigation to determine in-situ geologic, hydro-<br />

logic, and engineering parameters.

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