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Assessing characteristics of load–deflection relationship for reinforced concrete channels using the channel wall loading method.

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Title: Assessing characteristics of load–deflection relationship for reinforced concrete channels using the channel wall loading method.
Authors: Mimura, Yukino1 (AUTHOR) y.mimura8013@gmail.com, Hyodo, Masahiro2 (AUTHOR) hyodo@tottori-u.ac.jp, Ishii, Masayuki3 (AUTHOR) ici@life.shimane-u.ac.jp, Ogata, Hidehiko4 (AUTHOR) ogata@tottori-u.ac.jp, Betto, Yoshinori5 (AUTHOR) y_betto@kurimoto.co.jp, Kaneko, Hidetoshi6 (AUTHOR) kaneko@sanko-techno.co.jp
Source: Paddy & Water Environment. Jul2025, Vol. 23 Issue 3, p455-465. 11p.
Subject Terms: *Channels (Hydraulic engineering), *Reinforced concrete testing, *Civil engineering, *Reinforced concrete, *Concrete products
Abstract: Authors use the channel wall loading method to assess the structural stiffness of reinforced concrete open channels used for agricultural irrigation. Our previous studies have focused on verifying the accuracy of this method in laboratory experiments on secondary concrete products. In the present study, we focus on verifying the load–deflection characteristics obtained by this method for several in situ cast-in-place open channels operating in different service environments. Measurement reproducibility accuracy of the load–deflection relationship is also evaluated for three test sets taken at the same location after reinstallation of the equipment, it is found that the linearity of load–deflection relationship was different by the first, second, and third loading cycles in one set, and this tendency was observed in open channels with various cross sections and dimensions. This suggests that the same load–deflection relationship can be obtained regardless of the cross-sectional shape and dimensions, so long as the open channel possesses the applicability of the channel wall loading method and sufficient soundness. The reproducibility of the measurements after reinstallation of this equipment was confirmed to be very high with no significant differences among the three sets. Thus, this method is suitable for performing periodic inspections for aging evaluations. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 186626101
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Assessing characteristics of load–deflection relationship for reinforced concrete channels using the channel wall loading method.
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  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Mimura%2C+Yukino%22">Mimura, Yukino</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> y.mimura8013@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Hyodo%2C+Masahiro%22">Hyodo, Masahiro</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> hyodo@tottori-u.ac.jp</i><br /><searchLink fieldCode="AR" term="%22Ishii%2C+Masayuki%22">Ishii, Masayuki</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> ici@life.shimane-u.ac.jp</i><br /><searchLink fieldCode="AR" term="%22Ogata%2C+Hidehiko%22">Ogata, Hidehiko</searchLink><relatesTo>4</relatesTo> (AUTHOR)<i> ogata@tottori-u.ac.jp</i><br /><searchLink fieldCode="AR" term="%22Betto%2C+Yoshinori%22">Betto, Yoshinori</searchLink><relatesTo>5</relatesTo> (AUTHOR)<i> y_betto@kurimoto.co.jp</i><br /><searchLink fieldCode="AR" term="%22Kaneko%2C+Hidetoshi%22">Kaneko, Hidetoshi</searchLink><relatesTo>6</relatesTo> (AUTHOR)<i> kaneko@sanko-techno.co.jp</i>
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  Label: Source
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  Data: <searchLink fieldCode="JN" term="%22Paddy+%26+Water+Environment%22">Paddy & Water Environment</searchLink>. Jul2025, Vol. 23 Issue 3, p455-465. 11p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Channels+%28Hydraulic+engineering%29%22">Channels (Hydraulic engineering)</searchLink><br />*<searchLink fieldCode="DE" term="%22Reinforced+concrete+testing%22">Reinforced concrete testing</searchLink><br />*<searchLink fieldCode="DE" term="%22Civil+engineering%22">Civil engineering</searchLink><br />*<searchLink fieldCode="DE" term="%22Reinforced+concrete%22">Reinforced concrete</searchLink><br />*<searchLink fieldCode="DE" term="%22Concrete+products%22">Concrete products</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Authors use the channel wall loading method to assess the structural stiffness of reinforced concrete open channels used for agricultural irrigation. Our previous studies have focused on verifying the accuracy of this method in laboratory experiments on secondary concrete products. In the present study, we focus on verifying the load–deflection characteristics obtained by this method for several in situ cast-in-place open channels operating in different service environments. Measurement reproducibility accuracy of the load–deflection relationship is also evaluated for three test sets taken at the same location after reinstallation of the equipment, it is found that the linearity of load–deflection relationship was different by the first, second, and third loading cycles in one set, and this tendency was observed in open channels with various cross sections and dimensions. This suggests that the same load–deflection relationship can be obtained regardless of the cross-sectional shape and dimensions, so long as the open channel possesses the applicability of the channel wall loading method and sufficient soundness. The reproducibility of the measurements after reinstallation of this equipment was confirmed to be very high with no significant differences among the three sets. Thus, this method is suitable for performing periodic inspections for aging evaluations. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1007/s10333-025-01027-6
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 455
    Subjects:
      – SubjectFull: Channels (Hydraulic engineering)
        Type: general
      – SubjectFull: Reinforced concrete testing
        Type: general
      – SubjectFull: Civil engineering
        Type: general
      – SubjectFull: Reinforced concrete
        Type: general
      – SubjectFull: Concrete products
        Type: general
    Titles:
      – TitleFull: Assessing characteristics of load–deflection relationship for reinforced concrete channels using the channel wall loading method.
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            NameFull: Mimura, Yukino
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            NameFull: Hyodo, Masahiro
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            NameFull: Ishii, Masayuki
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            NameFull: Ogata, Hidehiko
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            NameFull: Betto, Yoshinori
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            NameFull: Kaneko, Hidetoshi
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          Dates:
            – D: 01
              M: 07
              Text: Jul2025
              Type: published
              Y: 2025
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              Value: 23
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            – TitleFull: Paddy & Water Environment
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