SUPPORT STRUCTURE FOR THE CORE OF NUCLEAR REACTORS
Patent
·
OSTI ID:4843851
A base structure able to support the core of a nuclear reactor comprising solid moderating material is constructed in such a way that there is unobstructed access to the channels through the base. This base structure comprises a horizontal platform supporting the core and a network of intersecting members forming a grille beneath the platform. A series of columns or compression members are arranged substantially vertically between the said platform and the grille and are attached to the point of intersection of the said intersecting members, so as to transmit the weight of the load to the grille. The shape of the grille is such that the intersecting members are subjected to tensile stresses as opposed to bending stresses under load. Preferably the platform itself is in the form of a shallow grille corresponding to that formed by the said intersecting members. This base structure may be suspended from the inner wall of the pressure vessel by members spaced peripherally around the edge of the platform or may be supported by a peripheral support skirt mounted within the pressure vessel. (NPO)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-027134
- OSTI ID:
- 4843851
- Report Number(s):
- FR 1210525
- Country of Publication:
- France
- Language:
- English
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