Mud-thick jacking method - List of Manufacturers, Suppliers, Companies and Products

Mud-thick jacking method Product List

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SS Mall Method of Mud Dense Propulsion Construction Technique

SS Mall Method of Mud Dense Propulsion Construction Technique

Low thrust for long distances and sharp curves! Compatible with a wide range of soil types from soft ground to gravel layers!

The "SS Small Method" is a construction technique that reduces the external resistance value of pipes by filling and pressurizing the tail void with high-concentration mud water, enabling long-distance and sharp curve thrusting. Due to the favorable pressure balance provided by the high-concentration mud water, the impact on the ground is extremely low compared to other methods, allowing it to accommodate a wide range of soil types from soft ground to cobble layers. The thrusting equipment is compact, making it possible to work in narrow temporary yards, and it does not require auxiliary methods other than for launching and arrival, resulting in high economic efficiency. 【Features】 ■ Achieves long-distance and sharp curve thrusting ■ Accommodates a wide range of soil types from soft ground to cobble layers ■ Fluid is transported and discharged from inside the machine to outside using a vacuum suction device ■ Compact thrusting equipment allows for construction in narrow temporary yards ■ Systematizes the process from excavation to solidification treatment *For more details, please feel free to contact us.

  • Drilling Machine
  • Civil Engineering Company
  • Sewerage facilities

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Environmentally-friendly mud-based propulsion method "Success Mall Method"

Environmentally-friendly mud-based propulsion method "Success Mall Method"

Improving environmental issues while leveraging the advantages of conventional construction methods! Capable of handling large boulders, rolling stones, and bedrock!

The "Success Small Method" is a construction technique that leverages the advantages of traditional mud slurry and earth pressure pushing methods (long distance, gravel compatibility, sharp curves, space-saving yards, etc.) while improving issues related to resource and work environments, and simultaneously pursuing a reduction in total costs. Traditionally, all the mud generated from excavation was disposed of off-site, but from an environmental perspective, we have developed a continuous soil classification device with a shower function (Master R) as a method to minimize the absolute amount discharged off-site. With various face plate adaptations, it can also handle large gravel, boulders, and bedrock. It has high torque, allowing for primary crushing with the face plate and secondary crushing with a cone crusher, enabling continuous soil discharge. 【Features】 ■ Long distance, gravel compatibility, sharp curves, space-saving yards ■ Improvement of resource and work environment issues ■ Continuous soil classification device with shower function to reduce off-site mud discharge ■ Total cost reduction *For more details, please feel free to contact us.

  • Drilling Machine
  • Civil Engineering Company
  • Sewerage facilities

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Subsurface Obstacle Adaptation Type Slurry Shield Method 'Milling Mall Method' Performance by Obstacle Type

Subsurface Obstacle Adaptation Type Slurry Shield Method 'Milling Mall Method' Performance by Obstacle Type

A propulsion method equipped with four special functions: exploration, improvement, cutting, and guidance! Presentation of construction achievement collection!

The underground obstacle-responsive mud-based thrusting method "Milling Mall Method" consists of three devices: a tunneling machine, a special expandable pipe, and a special injection pipe, which pulverizes and discharges metal obstacles. It explores metal obstacles ahead of the thrusting excavation while pushing them forward, and it is also possible to improve the ground from inside the tunneling machine before and after the obstacles. Furthermore, a receiving coil is installed at a designated position inside the arrival shaft, and a system is equipped to guide the tunneling machine to that position, making it the ultimate thrusting method that provides peace of mind even when obstacles are encountered. 【Performance by Obstacle Type】 ■CASE-1 Cutting of Hume pipes ■CASE-2 Cutting of PC beams ■CASE-3 Cutting of H steel and reinforced concrete ■CASE-4 Cutting of H steel existing manhole walls ■CASE-5 Cutting of wire tetra pods *For more details, please refer to the PDF materials or feel free to contact us.

  • Site and ground investigation
  • Civil Engineering Method
  • Special Construction Method

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When it comes to construction work, it's the "Milling Mall Method"! *A collection of achievements by obstacle type is currently being distributed.

When it comes to construction work, it's the "Milling Mall Method"! *A collection of achievements by obstacle type is currently being distributed.

[NETIS Registered] No worries even if obstacles appear! A construction method that is starting to be chosen nationwide! Compatible with diameters from φ800 to 3000 mm.

The underground obstacle response type mud-based thrusting method "Milling Mole Method," equipped with four special functions: exploration, improvement, cutting, and guidance, consists of three devices: a tunneling machine, a special telescopic pipe, and a special injection pipe, allowing for the precise cutting and discharge of underground obstacles. Using electromagnetic waves, it explores metal obstacles ahead while thrusting and can also improve the ground from within the tunneling machine before and after the detected obstacles. In the event that an obstacle is detected, the special telescopic device can be used to cut through the underground obstacle at ultra-low speed, allowing for continued thrusting. Furthermore, a system is installed to guide the tunneling machine to a designated position within the arrival shaft by placing a receiving coil at that location, making it the ultimate thrusting method that can accurately lead to the destination even in the presence of obstacles. 【Performance by Obstacle Type】 ■CASE-1 Cutting of Fume Pipes ■CASE-2 Cutting of PC Piles ■CASE-3 Cutting of H Steel and Reinforced Concrete ■CASE-4 Cutting of H Steel Existing Manhole Walls ■CASE-5 Cutting of Wire Tetrapods *For more details, please refer to the PDF document or feel free to contact us.

  • Site and ground investigation
  • Civil Engineering Method
  • Special Construction Method

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A must-see for those troubled by underground obstacles in shield construction!

A must-see for those troubled by underground obstacles in shield construction!

It is possible to cut through obstacles and achieve long-distance propulsion! The milling mole method is reliable even when obstacles arise and is a preferred propulsion method nationwide!

The excavation machine used in shield construction can dig horizontally through the ground and is mainly utilized for tunneling in subways and sewage systems. However, if there are underground obstacles during excavation, the construction may come to a halt. To address this, the milling mole method is enhanced by equipping the shield machine with four special functions: "exploration, improvement, cutting, and guidance," allowing it to cut through obstacles and enable long-distance advancement! The underground obstacle-responsive mud pressure propulsion method, known as the "milling mole method," consists of three devices: the excavation machine, a special telescopic pipe, and a special injection pipe, which can finely cut and discharge underground obstacles! Using electromagnetic waves, it explores and detects metal obstacles ahead while advancing, and it is also possible to improve the ground from within the excavation machine before and after the detected obstacles. If an obstacle is detected, a special telescopic device can be used to cut through the underground obstacle at ultra-low speed, allowing the propulsion to continue. 【Applicable Obstacles】 ■ Wooden piles ■ PC piles ■ Steel pipe piles ■ Steel sheet piles ■ H-beams ■ Continuous walls ■ Concrete structures

  • Site and ground investigation
  • Civil Engineering Method
  • Special Construction Method

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When it comes to construction work, it's the "Milling Mall Method"! *Currently offering a collection of achievements by obstacle type.

When it comes to construction work, it's the "Milling Mall Method"! *Currently offering a collection of achievements by obstacle type.

[NETIS Registered] No worries even if obstacles appear! Compatible with φ800 to 3000 mm. *Exhibited at the 2018 Kitakyushu Sewerage Exhibition!

The "Milling Mole Method," a ground obstacle response type mud-based thrusting method equipped with four special functions: exploration, improvement, cutting, and guidance, consists of three devices: a tunneling machine, a special telescopic pipe, and a special injection pipe, allowing for the precise cutting and removal of underground obstacles. Using electromagnetic waves, it explores metal obstacles ahead while thrusting and can also improve the ground from within the tunneling machine before and after the detected obstacles. In the event an obstacle is detected, the special telescopic device can be used to cut through the underground obstacle at ultra-low speed, allowing for continued thrusting. Additionally, a system is equipped to guide the tunneling machine to a designated position within the arrival shaft by installing a receiving coil at that location, making it the ultimate thrusting method capable of achieving high precision even when obstacles are encountered. 【Performance by Obstacle Type】 ■CASE-6 Steel Sheet Pile 3W Cutting ■CASE-7 Steel Sheet Pile 3 & H Steel Cutting ■CASE-8 Wooden Pile & Steel Sheet Pile Cutting ■CASE-9 H Steel & Existing Manhole Wall Cutting ■CASE-10 Underground Continuous Wall & Metal Object Cutting *For more details, please refer to the PDF document or feel free to contact us.

  • Site and ground investigation
  • Civil Engineering Method
  • Special Construction Method

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A must-see for government officials! Sewer construction for Olympic and guerrilla rainstorm measures.

A must-see for government officials! Sewer construction for Olympic and guerrilla rainstorm measures.

[Performance Collection Available] No worries even if obstacles appear underground! We detect and cut obstacles located about 2 meters ahead of the tunneling machine!

The demand for sewer construction is increasing due to the hosting of the Olympics in 2020 and guerrilla rainstorms, as well as measures for rainwater management. When the demand for construction rises and there is pressure to respond quickly, encountering obstacles buried underground can lead to a loss of time. Therefore, we recommend the milling mole method, which is safe even when encountering underground obstacles! The underground obstacle response type mud-based thrusting method "milling mole method," equipped with four special functions: "exploration, improvement, cutting, and guidance," consists of three devices: a tunneling machine, special bits, and special telescopic pipes, allowing for the fine cutting and removal of underground obstacles. Using electromagnetic waves, it explores and pushes forward while tunneling through metal obstacles, and it is also possible to improve the ground from inside the tunneling machine before and after the detected obstacles. In the event that an obstacle is detected, a special telescopic device can be used to cut through the underground obstacle at ultra-low speed, allowing for continued thrusting. Furthermore, a system is also equipped to install a receiving coil at a designated position inside the arrival shaft, guiding the tunneling machine to that position with high precision, even when obstacles are present.

  • Site and ground investigation
  • Civil Engineering Method
  • Special Construction Method

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Water Supply Construction "Milling Mall Method" Case Study Collection

Water Supply Construction "Milling Mall Method" Case Study Collection

We will introduce a case study of water supply construction that involves finely cutting and removing underground obstacles!

This document is a collection of case studies on water supply construction by Yasuda Engineering Co., Ltd. The underground obstacle-responsive mud-based thrusting method "Milling Mole Method," equipped with four special functions: "exploration, improvement, cutting, and guidance," consists of three devices: a tunneling machine, a special expandable pipe, and a special injection pipe, allowing for the precise cutting and removal of underground obstacles. We have completed requests from customers using this method. [Featured Cases] ■ Installation of water supply main around Hanjin-cho, Sasebo City, Nagasaki Prefecture (No. 6) ■ New installation of water supply main (500mm) and replacement of water supply main (600mm) from Nishidai 2-chome to Nishidai 1-chome in Itabashi Ward, Tokyo ■ Improvement work on the Shinjo trunk line (Higashiyodogawa 3) 700mm water supply pipe (installation of 1000mm water supply pipe) and others *For more details, please refer to the PDF document or feel free to contact us.

  • Special Construction Method
  • others

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Comparison of obstacle response methods in construction methods! 《Materials available》

Comparison of obstacle response methods in construction methods! 《Materials available》

We conducted a comprehensive evaluation and overall assessment of the methods for dealing with obstacles in the construction method, considering aspects such as estimated construction period, estimated construction costs, safety, and reliability of construction.

You can download the materials comparing the methods for dealing with obstacles in the push construction method from CASE 1 to CASE 4, along with a comprehensive evaluation and overall judgment based on aspects such as estimated construction period, estimated construction costs, safety, and reliability of construction. 【Model Case】 Pipe Diameter: 1000mm Push Length: 100m Cover Depth: 10m Target Obstacle: H-200×1 location Soil Type: Ordinary 【Comparison of Obstacles in Push Construction Method】 ▶Normal Push The normal push method is used, but when encountering an obstacle, the tunneling machine is left in place, and the height of the pipeline is changed for re-pushing. ▶Normal Push The normal push method is used, but when encountering an obstacle, a shaft for obstacle removal is constructed, and the obstacle is manually removed before re-pushing. ▶Normal Push The normal push method is used, but when encountering an obstacle, the tunneling machine is left in place. ▶Milling Mole The route of the pipeline is changed for re-pushing, and the obstacle is directly cut using a milling mole tunneling machine.

  • Special Construction Method
  • Sewerage facilities

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Mud-rich propulsion method "Super Flow Balance Semi-Shield Method"

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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Construction method for large boulder-compatible mud slurry tunneling.

Construction method for large boulder-compatible mud slurry tunneling.

High-concentration sealed semi-shield method

This is an announcement from Showken Co., Ltd. regarding the boulder-resistant mud pressure propulsion method (high-density sealed semi-shield method).

  • Other civil engineering works

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If the construction work stops! 'Milling Mall Method'

If the construction work stops! 'Milling Mall Method'

[NETIS Registered] No worries even with obstacles! A mud-based thrusting method equipped with four special features!

The "Milling Mall Method" is a thrusting method composed of three devices: a "boring machine," a "special telescopic pipe," and a "special injection pipe." The boring machine is equipped with a specialized bit for cutting through obstacles and a transmitting/receiving coil for obstacle detection. If an obstacle is present during the excavation thrust, the boring machine cutter is pressed against the obstacle at ultra-low speed by the special telescopic pipe, and cutting is performed by the rotation of the cutter. Additionally, the special injection pipe is equipped with facilities for ground improvement before and after the obstacle, as well as an "electromagnetic wave guidance system" to accurately guide the boring machine to its destination. **[Four Special Functions]** - **Detection:** Detecting metal obstacles in front while thrusting and excavating. - **Improvement:** Ground improvement from within the boring machine before and after the obstacle. - **Cutting:** Crushing and discharging metal obstacles. - **Guidance:** Guiding the boring machine to the designated position. For more details, please refer to the catalog or feel free to contact us.

  • Site and ground investigation

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Special Functions of the Milling Mall Method: 'Exploration' and 'Improvement'

Special Functions of the Milling Mall Method: 'Exploration' and 'Improvement'

No worries even if obstacles appear! The ultimate mud-based propulsion method equipped with special features.

The underground obstacle-responsive mud-based thrusting method "Milling Mall Method" explores while pushing forward the metal obstacles ahead of the thrusting cutter. If obstacles are present during excavation, it is possible to detect obstacles approximately 2 meters ahead of the tunneling machine. Additionally, this method allows for ground improvement from inside the tunneling machine both before and after the obstacle. Since cutting through obstacles takes time, the surrounding ground may loosen, potentially affecting nearby underground installations and causing subsidence or uplift on the surface, making ground improvement necessary. The Milling Mall is designed to allow construction from within the tunneling machine in case ground improvement from the surface is not possible. 【Features】 ■ Exploration while pushing forward the metal obstacles ahead of the thrusting cutter ■ Ground improvement from inside the tunneling machine both before and after the obstacle *For more details, please refer to the PDF document or feel free to contact us.

  • Site and ground investigation
  • Civil Engineering Method
  • Special Construction Method

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Special Functions of the Milling Mall Method: 'Cutting' and 'Guidance'

Special Functions of the Milling Mall Method: 'Cutting' and 'Guidance'

No worries even if obstacles appear! The ultimate mud-based propulsion method equipped with special features.

The underground obstacle-responsive mud-based thrusting method "Milling Mole Method" consists of three devices: a tunneling machine, a special telescopic pipe, and a special injection pipe, which pulverizes and discharges metal obstacles. The special telescopic pipe is used during the cutting of obstacles, allowing the tunneling machine to be pressed against the obstacle and cut at ultra-low speed. The special injection pipe is equipped with facilities for ground improvement at the front of the tunneling machine or the back of the obstacle. Additionally, this method can guide the tunneling machine to the designated position of the vertical shaft. A receiving coil is installed at the designated position inside the arrival shaft, and a system is in place to guide the tunneling machine to that position. Measurements are taken approximately 40 meters before arrival, and the orientation angle of the tunneling machine is calculated and displayed in real-time. [Features] ■ Pulverizes and discharges metal obstacles ■ Guides the tunneling machine to the designated position of the vertical shaft *For more details, please refer to the PDF document or feel free to contact us.

  • Site and ground investigation
  • Civil Engineering Method
  • Special Construction Method

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Underground Obstacle-Compatible Slurry Shield Tunneling Method [Milling Mole Method]

Underground Obstacle-Compatible Slurry Shield Tunneling Method [Milling Mole Method]

Eliminate the problems of underground obstacles. The milling mole method allows for the exploration, cutting, improvement, and guidance of obstacles while advancing.

One of the concerns in construction work is underground.

  • Solid wood flooring/indoor

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