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Double Pipe Strainer Method "PneumaX"

Double Pipe Strainer Method "PneumaX"

Not only straight bowling, but also three-dimensional bowling that combines straight lines and curves is possible!

"PneumaX" adopts the ground packer method, allowing for high-quality injection that is equivalent to or better than the double pipe double packer injection method, without leaving injection rods in the ground. It can be constructed not only with straight boring but also with three-dimensional boring that includes curves, enabling avoidance of underground obstacles. It has been adopted for various construction projects, with a proven track record in temporary construction and liquefaction countermeasure projects. 【Features】 ■ Ground packer method ■ Use of hyper nozzle ■ No injection rods left in the ground ■ Compatible with straight boring and three-dimensional boring ■ Construction management utilizing "visualization" alongside conventional techniques *For more details, please refer to the PDF materials or feel free to contact us.

  • Ground foundation construction method

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Double Pipe Strainer Method for the stability of shafts and shields, and protection of soil retention deficiencies.

Double Pipe Strainer Method for the stability of shafts and shields, and protection of soil retention deficiencies.

Forming a homogeneous improved ground by injecting quick-setting grout using a double pipe and a special tip device. Construction is environmentally friendly with minimal industrial waste disposal.

This construction method is based on performing primary injection using a double-tube injection rod at each step to inject a quick-setting gel time while preventing diffusion beyond the specified area, followed by secondary injection to inject a slow-setting gel time to achieve uniform penetration into the voids between soil particles, thereby forming a homogeneous improved ground. 【Applications】 ● Stabilization of the bottom slab and backfill of the shaft (waterproofing and increased strength) ● Protection of soil retention deficiencies ● Stabilization of the face of shield tunneling or thrusting ● Prevention of loosening in the route section of shield tunneling or thrusting ● Stabilization of the backfill and bottom slab of deep foundations (waterproofing and increased strength) 【Features】 ● It hardens to a moderate firmness, so it does not interfere with excavation. ● The machinery is compact, allowing for construction in narrow areas. ● It can be applied freely in any direction, 360 degrees. ● There is minimal industrial waste, enabling environmentally friendly construction. ● It can be applied to all types of ground (especially effective for sandy soils). ● It generates little vibration and noise.

  • Ground improvement

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