Dismantling techniques for reactor steel piping

Journal Article · Tue Aug 01 04:00:00 EDT 1989 · Nuclear Technology; (USA)

OSTI ID:5273036

Yanagihara, S; Hiraga, F; Nakamura, H ^[1]

---

1. Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan)

Two cutting techniques have been developed for dismantling the pipes connected to the Japan Power Demonstration Reactor (JPDR) pressure vessel. They are the rotary disk knife cutting system for dismantling relatively large pipes, such as the primary cooling system, and the shaped explosive cutting systems for cutting relatively small pipes in air or water. Basic cutting tests were performed to determine the optimum characteristics of the cutting systems and to conduct a safety evaluation by studying the effects of blasting on surrounding areas. Mock-up tests confirmed the applicability of the newly developed dismantling systems for JPDR dismantlement by successfully cutting test pipes with these systems.

• OSTI ID: 5273036
• Journal Information: Nuclear Technology; (USA), Journal Name: Nuclear Technology; (USA) Vol. 86:2; ISSN NUTYB; ISSN 0029-5450
• Country of Publication: United States
• Language: English

Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
22 GENERAL STUDIES OF NUCLEAR REACTORS
220200 -- Nuclear Reactor Technology-- Components & Accessories
220600 -- Nuclear Reactor Technology-- Research
Test & Experimental Reactors
220900* -- Nuclear Reactor Technology-- Reactor Safety
ALLOYS
BWR TYPE REACTORS
CONTAINERS
CUTTING TOOLS
DEMOLITION
ENRICHED URANIUM REACTORS
EXPERIMENTAL REACTORS
IRON ALLOYS
IRON BASE ALLOYS
JPDR REACTOR
PIPES
POWER REACTORS
PRESSURE VESSELS
REACTOR COMPONENTS
REACTOR DISMANTLING
REACTOR SAFETY EXPERIMENTS
REACTORS
RESEARCH AND TEST REACTORS
STEELS
TECHNOLOGY ASSESSMENT
THERMAL REACTORS
TOOLS
WATER COOLED REACTORS
WATER MODERATED REACTORS