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JAEA Reports

The 3rd technological meeting of Tokai reprocessing plant

Maki, Akira; ; Taguchi, Katsuya; ; Shimizu, Ryo; Shoji, Kenji;

JNC-TN8410 2001-012, 185 Pages, 2001/04

JNC-TN8410-2001-012.pdf:9.61MB

"The third technological meeting of Tokai Reprocessing plant (TRP)" was held in JNFL Rokkasyo site on March 14$$^{th}$$, 2001. The technical meetings have been held in the past two times. The first one was about the present status and future plan of the TRP and second one was about safety evaluation work on the TRP. At this time, the meeting focussed on the corrosion experrience, in-service inspection technology and future maintenance plan. The report contains the proceedings, transparancies and questionnaires of the meeting are contained.

JAEA Reports

None

*; *

JNC-TJ8420 2000-013, 96 Pages, 2000/03

JNC-TJ8420-2000-013.pdf:6.04MB

no abstracts in English

JAEA Reports

None

*; ;

JNC-TJ7440 2000-018, 55 Pages, 2000/03

JNC-TJ7440-2000-018.pdf:9.57MB

no abstracts in English

JAEA Reports

Design research about geological disposal facility (II)

*; *; Okutsu, Kazuo*; Yamamoto, Takuya*; Amemiya, Kiyoshi*

JNC-TJ8400 2000-022, 303 Pages, 2000/02

JNC-TJ8400-2000-022.pdf:10.42MB

This report gives supplementary information and discussions on issues of the high-level waste geological disposal study. The following subjects are discussed ; (1)Evaluation of the effects of coefficient of lateral pressure to the specifications of disposal facilities (2)Functional development of remote operational machinery (3)Arrangement of basic data on cost estimation for disposal (4)Understanding of engineering countermeasures to potential phenomena deep under the ground (5)Selection of construction technologies (6)Establishment of the disposal concept under the coasts. For the coefficient of lateral pressure equal to 2, the cross section of disposal drift, the disposal drift spacing, the waste package pitch in the disposal drift and the specification of supporting system are designed. They are compared with those for the case of coefficient of lateral pressure equal to 1. In the case of coefficient of lateral pressure equal to 2, total length of drifts is 1.5 times, and total excavation volume is 1.8 times larger than later case. For the sealing, transportation and emplacement equipment for waste, technology of the fundamental function, remote operation, accidental events and countermeasures are discussed. The plan for developments on those items is proposed. The item of the cost for the construction, operation, and backfilling are discussed. The surface facilities, and, worker arrangement plan are proposed. For the potential phenomena encountered deep under the ground, the countermeasures are investigated form the construction experience, and the future research subjects are discussed for the underground research laboratory. For the construction technologies, the experience of construction management for the tunnel is investigated, and, the research subjects are proposed. For the disposal concept under coasts, rock condition, design condition, construction management, and quality control are compared with the disposal concept under the ground. The ...

Journal Articles

Development of real-time and remote fuel process gas analysis system using laser raman spectroscopy

Ohira, Shigeru; Okuno, Kenji

Fusion Technology, 30(3), p.869 - 873, 1996/12

no abstracts in English

JAEA Reports

None

PNC-TJ1602 93-005, 70 Pages, 1993/03

PNC-TJ1602-93-005.pdf:1.35MB

no abstracts in English

Oral presentation

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