DEVELOPMENT OF MANUFACTURING RC SEGMENT BY CENTRIFUGAL COMPACTION

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  • Hayashi Mitsutoshi
    社団法人 土木学会 東京ガス株式会社 導管技術開発センター
  • Yamada Satoru
    社団法人 土木学会 日本高圧コンクリート株式会社 東京支社
  • Saitoh Masayuki
    社団法人 土木学会 日本シールドエンジニアリング株式会社 第二事業部
  • Koizumi Atsushi
    社団法人 土木学会 早稲田大学 理工学部土木工学科

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  • 遠心力締固めによるセグメント製造方法の開発
  • エンシンリョク シメカタメ ニヨル セグメント セイゾウ ホウホウ ノ カイハ

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Abstract

This paper explains the process and details of development work carried out in order to introduce the centrifugal compaction applied for manufacturing hume pipes as a new manufacturing method of RC segments that were manufactured using the vibrating compaction in the past. Through this study, the authors were able to establish manufacturing conditions (mold structure, concrete depositing method, concrete mixing condition, conditions for application of centrifugal force) to obtain high strength concrete of stable quality with excellent joint surface finish. Studies were also conducted on production processes and factory equipment, thus enabling realization of this manufacturing method as an actual production line and increasing efficiency in manufacturing RC segments.

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