Patent · US Expired

Nuclear reactor containment structure with continuous ring tunnel at grade

US4045289A · kind A · utility

8Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 22, 1976
Grant dateAug 30, 1977
Priority date
Expiry dateOct 22, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E30/30
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A nuclear reactor containment structure which includes a reinforced concrete shell, a hemispherical top dome, a steel liner, and a reinforced-concrete base slab supporting the concrete shell is constructed with a substantial proportion thereof below grade in an excavation made in solid rock with the concrete poured in contact with the rock and also includes a continuous, hollow, reinforced-concrete ring tunnel surrounding the concrete shell with its top at grade level, with one wall integral with the reinforced concrete shell, and with at least the base of the ring tunnel poured in contact with the rock.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.