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アルファシビルエンジニアリング 事業本部・本社

addressFukuoka/Hakata-ku, Fukuoka-shi/1-18 Sanno 1-chome
phone092-482-6311
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Mud-rich propulsion method "Super Flow Balance Semi-Shield Method"

It excels in maintaining the stability of the face even in soil conditions where pressure retention at the face is difficult.

The "Super Flow Balance Semi-Shield Method" is a mud-based thrusting method that constructs a wall of high-density, high-viscosity fluid throughout the entire cutter chamber to facilitate excavation. In the tail void section, soil particles with good workability and high-concentration mud are directly pressurized from the outer circumference of the tunneling machine, reducing friction around the pipe. Furthermore, the two-component solidifying lubricant injected from the trailing pipe further stabilizes the void. 【Features】 ■ Excellent stability of the face ■ Can maintain a face management pressure of groundwater pressure + 20 kPa ■ Minimal range of ground loosening *For more details, please download the PDF or feel free to contact us.

  • Civil Engineering Method
  • Ground foundation construction method
  • Special Construction Method

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