2023 Fall Meeting

Presentation information

Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 505-3 Decommissioning Technology of Nuclear Facilities

[3F10-15] Decommissioning of Accident Reactor

Fri. Sep 8, 2023 2:45 PM - 4:20 PM Room F (Okuma Machine Tool Eng. Bildg. 2F Lecture Room)

Chair:Masato Watanabe(Chubu Electric Power)

3:45 PM - 4:00 PM

[3F14] Development of the radiation resistant remote vibration sensing device for the reactor decommissioning

*Kazuyuki Furuya1, Shiro Jitsukawa1,2, Sugita Hisao1, Takayuki Saito1, Masahiro Shimoyama2, Kazunari Aizawa2 (1. NIT Hachinohe College, 2. RADA)

Keywords:Decommissioning, Damage Evaluation, Vibration Measurement, Radiation resistance, Concrete, Degraded area detection

In response to the previous remarks received about the remote microvibrometer for evaluating the integrity of damaged structures, etc., we continuously irradiated the microvibrometer in operation with gamma rays and confirmed that it did not cause any problem in its operation. In addition, sound velocity measurements of concrete specimens containing elements damaged by heating were obtained, indicating the possibility of detecting damaged portions.

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