Expanded foot protection method×トーヨーアサノ - List of Manufacturers, Suppliers, Companies and Products

Expanded foot protection method Product List

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Pre-boring expansion grouting method "Hyper-Straight Method"

A construction method that can accommodate various ground conditions, with high load-bearing capacity and low cost.

The "Hyper-Straight Method" involves pre-drilling the ground with an auger, followed by the injection of solidification liquid and pile surrounding fixation liquid, allowing the pile to be inserted into the designated support layer by self-sinking or rotation, achieving a depth of 1D or more. Using a drilling and mixing device composed of an auger head, screw, mixing rod, and connecting rod, the construction process follows the steps from drilling to the injection of solidification liquid, repeated solidification above and below, injection of pile surrounding fixation liquid, repeated fixation above and below, and finally pile insertion and installation. Additionally, by implementing a construction management system that supports high precision and efficiency, real-time management of the solidification bulb and support layer is conducted to ensure quality. 【Features】 ■ Easy construction management due to full-length straight drilling ■ No need for specialized under-pinning unique to high bearing capacity ■ A mid-bearing capacity method conceived by returning to the origins of precast concrete pile methods *For more details, please download the PDF or feel free to contact us.

Company：トーヨーアサノ東京事務所
Price：Other

Ground foundation construction method

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Hyper-NAKS II Method for Expanding and Reinforcing Underground Excavation

An evolved version of the middle excavation expansion foundation method, ensuring high reliability through an advanced construction management system!

The "Hyper-NAKS II Method" is classified as an embedded pile method using precast concrete piles, specifically the middle excavation and expansion foundation method. With the hydraulic mechanism, the starting position for wing expansion and the position for fixed liquid injection around the pile can be confirmed in real-time by the construction management device. Additionally, since it allows for the construction of the bulb section in a clockwise direction, it increases the soil discharge rate within the bulb section, enabling the construction of high-quality bulbs. 【Features】 ■ Dramatic increase in bearing capacity ■ Maximum pile diameter is φ1200mm ■ Maximum construction depth exceeds 70m ■ Foundation bulb structure using hydraulic expansion bits ■ Adoption of a new construction management system that ensures workability and reliability *For more details, please download the PDF or feel free to contact us.

Company：トーヨーアサノ東京事務所
Price：Other

Ground foundation construction method

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Underground Expansion Foundation Method "STJ Method"

Construction is possible up to 80m! It is a low noise, low vibration method.

The "STJ Method" is a construction method for precast concrete piles that falls under the category of low-noise and low-vibration methods for the middle excavation and enlarged root solidification. By switching the auger's rotation to a low speed and jetting cement milk from high-pressure injection nozzles in two directions while raising the auger at a constant speed, a reliable enlarged bulb is constructed. 【Features】 ■ Reliable construction of enlarged bulbs ■ High bearing capacity ■ Rapid construction ■ Low construction costs ■ Low earth discharge method *For more details, please download the PDF or feel free to contact us.

Company：トーヨーアサノ東京事務所
Price：Other

Civil Engineering Method

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Pre-boring expansion grouting method "Kemun Method / ST Kemun Method"

Construction Minister certified construction method! It is a method that makes construction management easy and simple.

The "Kemun Method / ST Kemun Method" is a low-vibration, low-noise construction method that can securely anchor to the supporting layer and adapt to various ground conditions. While excavating and mixing, water or a pile surrounding fixation fluid is injected from the tip of the drilling bit. Once the desired depth is reached, a specified amount of solidification fluid is injected to construct the solidified bulb section. Next, the excavation mixing shaft is pulled up while injecting the pile surrounding fixation fluid. In this way, a pile is inserted into the excavated hole and positioned at the desired location by self-sinking or rotation. 【Features (Common)】 ■ Low noise, low vibration method ■ By rotating the pile, it can be securely anchored to the supporting layer ■ The pile surrounding fixation fluid is injected along the entire length of the pile surface, allowing for expected friction ■ Wide range of applicable ground conditions ■ The solidification fluid contains a leakage prevention agent, resulting in a high-quality expanded solidified bulb section *For more details, please download the PDF or feel free to contact us.