JPS6466372A - Method of overhauling nuclear reactor - Google Patents

Method of overhauling nuclear reactor

Info

Publication number
JPS6466372A
JPS6466372A JP22425087A JP22425087A JPS6466372A JP S6466372 A JPS6466372 A JP S6466372A JP 22425087 A JP22425087 A JP 22425087A JP 22425087 A JP22425087 A JP 22425087A JP S6466372 A JPS6466372 A JP S6466372A
Authority
JP
Japan
Prior art keywords
shielding concrete
concrete
reactor
circumference
pressure vessel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP22425087A
Other languages
Japanese (ja)
Other versions
JPH077107B2 (en
Inventor
Akira Abe
Katsuhiko Emori
Hitoshi Kurioka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kajima Corp
Original Assignee
Kajima Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kajima Corp filed Critical Kajima Corp
Priority to JP62224250A priority Critical patent/JPH077107B2/en
Publication of JPS6466372A publication Critical patent/JPS6466372A/en
Publication of JPH077107B2 publication Critical patent/JPH077107B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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Abstract

PURPOSE: To eliminate the need for a remote dismantling device and reduce waste, lessen a disposal space and shorten time required for controlling in a closed state by enclosing with a structure in a reactor and pressure vessel housed, without dismantling a biological shielding concrete. CONSTITUTION: After a peripheral 4, pipes and the like in the circumference of a biological shielding concrete 3 are removed, and a penetrated portion 5 connecting continuously the exterior and the interior of the biological shielding concrete 3 is blocked, the circumference of the shielding concrete 3 and concrete of a building 1 are removed from the beams, and the circumference of the shielding concrete 3 and the building 1 are dismantled and removed completely. Subsequently, with a structure in the reactor and a pressure vessel 2 remaining contained, the lower portion of the shielding concrete 3 is cut and separated from the base. Wheels 6 are arranged below the shielding concrete 3 for movement, and the structure in the reactor and the pressure vessel 2 housed in the shielding concrete 3 are enclosed tightly in a shielding concrete structure built aboveground or underground.
JP62224250A 1987-09-08 1987-09-08 Reactor dismantling treatment method Expired - Lifetime JPH077107B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62224250A JPH077107B2 (en) 1987-09-08 1987-09-08 Reactor dismantling treatment method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62224250A JPH077107B2 (en) 1987-09-08 1987-09-08 Reactor dismantling treatment method

Publications (2)

Publication Number Publication Date
JPS6466372A true JPS6466372A (en) 1989-03-13
JPH077107B2 JPH077107B2 (en) 1995-01-30

Family

ID=16810835

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62224250A Expired - Lifetime JPH077107B2 (en) 1987-09-08 1987-09-08 Reactor dismantling treatment method

Country Status (1)

Country Link
JP (1) JPH077107B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5329562A (en) * 1991-08-26 1994-07-12 Kabushiki Kaisha Dymosha Method of cutting and removing nuclear reactor
JP2012230084A (en) * 2011-04-27 2012-11-22 Shimizu Corp Method for dismantling nuclear power generation plant building

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5750280A (en) * 1980-09-08 1982-03-24 Nippon Kokan Kk <Nkk> Gas shielded arc welding method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5750280A (en) * 1980-09-08 1982-03-24 Nippon Kokan Kk <Nkk> Gas shielded arc welding method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5329562A (en) * 1991-08-26 1994-07-12 Kabushiki Kaisha Dymosha Method of cutting and removing nuclear reactor
JP2012230084A (en) * 2011-04-27 2012-11-22 Shimizu Corp Method for dismantling nuclear power generation plant building

Also Published As

Publication number Publication date
JPH077107B2 (en) 1995-01-30

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