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2024 | OriginalPaper | Buchkapitel

ASR in Experimental PC Girders Caused by Late- or Early-Expansive Aggregate from the Hokuriku Region, Central Japan

verfasst von : Shinichi Hirono, Yoko Ando, Masahiro Nomura, Kazuyuki Torii

Erschienen in: Proceedings of the 17th International Conference on Alkali-Aggregate Reaction in Concrete

Verlag: Springer Nature Switzerland

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Abstract

An accelerated expansion test was carried out using concrete cores taken from outdoor-exposed experimental prestressed concrete girders which were prepared by using aggregate from the Shogawa and Joganjigawa Rivers in the Hokuriku region in Japan. The purpose of the study was to investigate the reactivity of the aggregates and the deterioration found after the outdoor exposure and then compare the findings with the results of the accelerated expansion test. The test results showed that expansion depended significantly on the presence or absence of alkali-silica reaction (ASR) at the time of core sampling.

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Literatur
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2.
Zurück zum Zitat Sugiura, N., Kobayashi, K., Fukada, S., Torii, K.: Core-based ASR deterioration diagnosis for prestressed concrete girders. Proc. Jpn. Concr. Inst. 39(1), 877–882 (2017) Sugiura, N., Kobayashi, K., Fukada, S., Torii, K.: Core-based ASR deterioration diagnosis for prestressed concrete girders. Proc. Jpn. Concr. Inst. 39(1), 877–882 (2017)
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Zurück zum Zitat Fukada, S., Ha, M.T., Kobayashi, K., Torii, K.: Influence of addition of fly ash on load bearing performance of PC girders using reactive aggregate. Proc. Jpn. Concr. Inst. 39(1), 355–360 (2017) Fukada, S., Ha, M.T., Kobayashi, K., Torii, K.: Influence of addition of fly ash on load bearing performance of PC girders using reactive aggregate. Proc. Jpn. Concr. Inst. 39(1), 355–360 (2017)
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Metadaten
Titel
ASR in Experimental PC Girders Caused by Late- or Early-Expansive Aggregate from the Hokuriku Region, Central Japan
verfasst von
Shinichi Hirono
Yoko Ando
Masahiro Nomura
Kazuyuki Torii
Copyright-Jahr
2024
DOI
https://doi.org/10.1007/978-3-031-59419-9_70