IMPROVEMENTS RELATING TO MODERATOR AND REFLECTOR STRUCTURES FOR NUCLEAR REACTORS
In order to achieve more stability for the moderator and reflector structure of a nuclear reactor subject to sudden and transient horizontal forces e.g. for a nuclear reactor built in an earthquake region or in a moving body such as a ship, the said structure comprises a series of elastic bands around the structure, each band comprising a series of joined links and each link comprising a nest of coaxial ship, the said structure comprises a series of elastic bands around the structure, each band comprising a series of joined links and each link comprising a nest of coaxial tubes; said bands are radially keyed to a restraint cylinder surrounding the structure. Suitably, these links are joined together by pin joints held by brackets welded to angle section restraint beams which press against the walls of the structure under the tension in the bands. Each of the said beams has an integral key part of rectangular cross section which extends between two bolts screwed in the parallel sides of a further bracket welded on a ring surrounding the said structure, this ring being welded to the restraint cylinder. (NPO)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-027140
- OSTI ID:
- 4842278
- Report Number(s):
- FR 1211878
- Country of Publication:
- France
- Language:
- English
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