Construction method of nuclear reactor reinforced concrete conta

Details Construction method of nuclear reactor reinforced concrete conta Construction method of nuclear reactor reinforced concrete conta

1996-03-12

1998-05-05

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

376293, 52612, 5274506, 264 34, G21C 1300, G21C 2100

Patent

active

057486905

ABSTRACT:
In a method of construction of a reinforced concrete diaphragm floor of a nuclear reactor reinforced concrete containment vessel, a bottom surface of the diaphragm floor is provided in the form of an iron plate. The iron plate, an iron bar beam portion for supporting the load provided by concrete during a concrete pouring time, and a reinforcing bar member to be buried in the concrete of the diaphragm floor are assembled outside of a building in which the nuclear reactor is to be embodied. The above members are carried using lifting machinery and are set in a permanent receiving member which is provided on both a main body of the nuclear reactor pressure vessel and a steel member serving as a concrete mold frame of an outer wall of the nuclear reactor reinforced concrete vessel. A concrete pouring is carried out in stages so as to form successive layers of concrete during plural pouring times. After a first concrete layer has completed and the strength of the concrete layer has been established after hardening, the second concrete layer is poured on the first layer, which aids in supporting the weight of the poured concrete.

REFERENCES:
patent: 4259154 (1981-03-01), Niino et al.
patent: 5119598 (1992-06-01), Tajiri et al.

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