Nuclear reactor vessel support system

This invention describes a way to support a nuclear reactor vessel. The reactor vessel is partly buried underground, and its entire weight is held up by a single flange (a flat rim) that rests on the ground, acting like a diving board. This design also includes a second flange and welded connections above the ground plane.

Why it matters: Renewed global interest in Small Modular Reactors (SMRs) and advanced reactor designs often involves modular construction and underground placement. This specific cantilevered support system could offer advantages for seismic resilience or simplified installation in such contexts.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedNuclear-grade materials, extreme loads, regulatory approval

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