Application of flash setting material for temporary earthquake disaster restoration of gas pipelines using fly ash cement mixtures

Hideki Shimada, Yasuhiro Yoshida, Koichi Araki, Takashi Sasaoka, Shuichi Fujita, Kikuo Matusi, Masuhiko Iino, Takahisa Tomii

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

1 被引用数 (Scopus)

抄録

There are many earthquakes in Japan. If a large earthquake were to occur, it is necessary to consider how pipelines such as: gas, sewage, telecommunications, and so on are restored quickly. At that time, damaged gas pipelines are very dangerous because fire in large areas could be caused by the leakage of gas from the damaged pipeline. Accordingly, it is necessary for gas companies to stop the supply of gas to houses over a large area. Once the gas supply is stopped, there is a considerable amount of time to repair the pipelines over the area. For this reason, a quick method for restoring damaged gas pipelines would be useful after an earthquake. Recently, we have been developing new flash setting material for the damaged gas pipeline by an injection into the house connection of gas when the gas supply is stopped quickly in an emergency. From these points of view, in order to clarify to what degree the contents of flash settling material affect the properties of the injected fly ash mixture causing heavy damage to the gas pipeline in an earthquake, different combinations of fly ash, chemical agents and water were considered in several experiments.

本文言語英語
ホスト出版物のタイトル28th International No-Dig Conference and Exhibition 2010, NO-DIG 2010
ページ329-336
ページ数8
出版ステータス出版済み - 2010
イベント28th International No-Dig Conference and Exhibition 2010, NO-DIG 2010 - , シンガポール
継続期間: 11月 8 201011月 10 2010

出版物シリーズ

名前28th International No-Dig Conference and Exhibition 2010, NO-DIG 2010

その他

その他28th International No-Dig Conference and Exhibition 2010, NO-DIG 2010
国/地域シンガポール
Period11/8/1011/10/10

!!!All Science Journal Classification (ASJC) codes

  • 地質学
  • 地球物理学
  • 地盤工学および土木地質学
  • 土木構造工学
  • 機械工学
  • 建築および建設

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