Development of the neutron salt-meter RANS-μ for non-destructive inspection of concrete structure at on-site use

Yasuo Wakabayashi, Mingfei Yan, Masato Takamura, Ryuutarou Ooishi, Hiroshi Watase, Yujiro Ikeda and Yoshie Otake

Jadavpur Journal of International Relations, 2022, vol. 24, issue 3-4, 411-419

Abstract: We have started the development of a transportable neutron salt-meter, we call it RANS- μ , combining a 252 Cf neutron source and a prompt gamma neutron activation analysis. Trials of chloride detection measurement with RANS- μ were performed outdoor using removed bridges damaged by chloride attack at an outdoor yard in Public Works Research Institute (PWRI) and a test bridge in Fukushima Robot Test Field. For the measurement at PWRI, the results obtained by RANS- μ were compared with those of the automatic potentiometric titration by drilled powder, and then consistent results were obtained.

Keywords: 252Cf neutron source; non-destructive chloride measurement; on-site; prompt gamma-ray; concrete structure (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:sae:jadint:v:24:y:2022:i:3-4:p:411-419

DOI: 10.3233/JNR-220031

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