Application of injection material for rehabilitation of underground pipeline using fly ash surfactant mixtures

Hideki Shimada, Yasuhiro Yoshida, Jiro Oya, Takashi Sasaoka, Kikuo Matsui, Hideaki Nakagawa, Jan Gottfried

研究成果: ジャーナルへの寄稿記事

抄録

A large amount of waste is produced at coal preparation plants. The properties of the waste vary depending on the mineralogical content of the mother rock in which the coal is embedded. The quality of the waste depends on the method of mining and cleaning, but it consists mostly of clays, quartz, carbonaceous materials, mica, pyrites and so on. About 80% of coal-ash is now utilised in Japan, and the remaining is disposed of at disposal sites. However, the life span of each disposal site is limited and it is difficult to find new disposal sites. It is therefore desirable that the percentage of utilisation of fly ash be increased in every possible way in Japan. One way of achieving this goal is to incorporate more fly ash in cement mixes that can be applied as the injection material for natural/artificial openings. In this study, different combinations of fly ash, surfactants and water were investigated to determine the influence of surfactants on the properties of fly ash mixtures used in slurry pipe jacking.

元の言語英語
ページ(範囲)5-17
ページ数13
ジャーナルInternational Journal of Mining, Reclamation and Environment
24
発行部数1
DOI
出版物ステータス出版済み - 3 1 2010

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Fly ash
fly ash
Patient rehabilitation
surfactant
Surface active agents
Pipelines
coal
pipe jacking
Coal preparation
Pyrites
Mica
mica
Coal ash
slurry
Quartz
Cleaning
pyrite
Cements
Clay
cement

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Geology
  • Earth-Surface Processes
  • Management of Technology and Innovation

これを引用

Application of injection material for rehabilitation of underground pipeline using fly ash surfactant mixtures. / Shimada, Hideki; Yoshida, Yasuhiro; Oya, Jiro; Sasaoka, Takashi; Matsui, Kikuo; Nakagawa, Hideaki; Gottfried, Jan.

:: International Journal of Mining, Reclamation and Environment, 巻 24, 番号 1, 01.03.2010, p. 5-17.

研究成果: ジャーナルへの寄稿記事

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