Compositions – Radioactive compositions – Nuclear reactor fuel
Patent
1986-08-20
1988-11-15
Nelson, Peter A.
Compositions
Radioactive compositions
Nuclear reactor fuel
2505061, 2505071, 376272, 405128, 405129, B65G 500, G21F 924, G21F 936
Patent
active
047848022
ABSTRACT:
A land disposal site for the disposal of nuclear waste is disclosed which generally comprises a trench, a non-rigid, water-shedding cap formed from alluvium and silt which overlies this depression, and a solid array of waste-containing modules disposed in the trench for both encapsulating the waste and for supporting the non-rigid cap over the depression. The floor of the trench preferably includes a capillary barrier formed from a layer of gravel so that ground water will not seep up into the modules buried within the disposal site. The top surfaces of the modules are covered with a sloped layer of alluvium, which in turn is covered with another capillary barrier of gravel. This capillary barrier of gravel carries a sloped layer of silt which sheds running surface water and directs it into a pair of drains disposed on either side of the trench. The silt layer is capped with a final layer of graded rip-rap which protects it from wind and water erosion, and which forms a natural radiation and intrusion barrier. Finally, the modules disposed within the disposal site are preferably uniformly shaped, hexagonal prisms which are capable of being solidly packed into a structure which is flexibly conformable with any changes in shape of the trench brought about by seismic or other natural disturbances.
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Lilley Arthur W.
Mallory Charles W.
Paladino Joseph B.
Razor John E.
Sanner, Jr. William S.
Locker Howard J.
Nelson Peter A.
Westinghouse Electric Corp.
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