Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Expansion means
Patent
1986-06-09
1988-05-17
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Reactor protection or damage prevention
Expansion means
376293, 376461, 52167, G21C 900, G21C 1300
Patent
active
047449411
ABSTRACT:
Antiseismic support structure for the pile block of a fast neutron nuclear reactor.
It comprises a concrete covering slab resting on the reactor building structure. The vessel and components of the pile block are suspended on said slab in a well of said structure. The building rests on the ground by means of two superimposed floors, namely an upper floor and a lower floor. The two floors are separated from one another by elastic supports, permitting a horizontal oscillatory displacement with respect to one another with a view of filtering the horizontal components of the earthquake with respect to the vessel. These elastic supports are in particular fretted elastomer supports. The slab rests on the structure of the building by a series of elastic supports absorbing the vertical components of possible seismic waves and it is vertically guided in the well of the building by vertical guidance means preventing any horizontal displacement of said block relative to the building, under the action of the horizontal components of possible seismic waves.
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Bacher Pierre
Gueraud Roger
Kyle Deborah L.
Service National Electricite de France
Wasil Daniel
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