Characteristics of lubricant materials into over-cutting area using slurry pipe jacking

Takashi Kawai, Daisuke Sato, Hideki Shimada, Kikuo Matsui, Yasuhiro Yoshida, Iwao Sato

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

1 被引用数 (Scopus)

抄録

Slurry pipe jacking is firmly established as a special method for the non-disruptive construction of the underground pipelines of sewage systems. Pipe jacking, in its traditional form, has occasionally been used for short railways, roads, rivers, and other projects. Basically the system involves the pushing or thrusting of concrete pipes into the ground by a number of jacks. In slurry pipe jacking, during the pushing process mud slurry and lubricant are injected into the face and the over cutting area that is between the concrete pipes and the surrounding soil. Next, the slurry fills voids and the soil stabilizes due to the created slurry cake around the pipes. Lubricants also reduce the jacking force or thrust during operation. When the drivage and pushing processes are finished, a mortar injection into the over cutting area is carried out in order to maintain permanent stability of the surrounding soil and the over cutting area. Permeability of lubrication is considerable in order to control of lubrication injection and final reinforcing mortar injection. This paper considers permeability of lubricant material in different condition during a case study in Fujisawa city, Japan.

本文言語英語
ホスト出版物のタイトルInternational Society for Trenchless Technology - 23rd No-Dig International Conference and Exhibition, No-Dig 2005
ページ117-124
ページ数8
出版ステータス出版済み - 12 1 2005
イベント23rd No-Dig International Conference and Exhibition, No-Dig 2005 - Rotterdam, オランダ
継続期間: 9 19 20059 21 2005

出版物シリーズ

名前International Society for Trenchless Technology - 23rd No-Dig International Conference and Exhibition, No-Dig 2005

その他

その他23rd No-Dig International Conference and Exhibition, No-Dig 2005
Countryオランダ
CityRotterdam
Period9/19/059/21/05

All Science Journal Classification (ASJC) codes

  • Geology
  • Geophysics
  • Geotechnical Engineering and Engineering Geology
  • Civil and Structural Engineering
  • Mechanical Engineering
  • Building and Construction

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