Three S G Method Association Management Headquarters, Iwasui Development Co., Ltd. Company Profile
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The Iwasui Development Co., Ltd., which operates the Three S G Method Association, selects appropriate reinforcement methods according to the use of the ground through proper investigation and design, and strengthens weak ground and prevents water leakage through methods such as the Iwasui Grout Method and the Three S G (Semi-Pile) Method. To accurately respond to the diversifying needs of the times, we are also advancing research and development on various types of ground, playing a pioneering role in foundational ground. 【Business Areas】 ■ Grouting Division ■ High-Pressure Injection Division ■ Ground Improvement Division ■ Foundation Pile Division ■ Civil Engineering Division ■ Pushing Method Division *For more details, please refer to the PDF materials or feel free to contact us.
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**Business Activities (Details)** ■ Grouting Division Double Pipe Strainer Method (Single Phase / Multi Phase) / Double Packer Method / Rock Water Grouting Method (PAT) ■ High-Pressure Injection Division CCP Method (Single Pipe) / JSG Method (Double Pipe) / CJG Method (Triple Pipe) ■ Ground Improvement Division 3S-G Method / Semi-Pile Method / Surface Improvement Method / Deterioration Reduction Method ■ Foundation Pile Division Steel Pipe Pile Method / Alpha Force Pile / Precast Concrete Piles (Certified Piles) / Cast-in-Place Concrete Piles ■ Civil Engineering Division General Civil Engineering ■ Pushing Method Division Various Small Diameter Pipe Pushing Methods ■ Survey Division Ground Survey / Site Survey / Soil Contamination Survey / Vibration Survey / Soil Quality Survey and Testing ■ Others Vibration Mitigation Method / Jack-Up Method (Settlement Correction) / TUCHAN Method (Fiber Optics) Pipeline Rehabilitation Method / Titanium Shielding Method *For more details, please refer to the PDF materials or feel free to contact us.*
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For more details, please refer to the PDF document or feel free to contact us.
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The operation of the Three S G Method Association (hereinafter referred to as the Method Association) has been approved through a review by the Japan Building Disaster Prevention Association, along with the method technology. The Method Association is operated by Iwasui Development Co., Ltd. as the headquarters of the association, with the Okayama headquarters serving as the secretariat. Members of the Method Association participate in design and construction training organized by the headquarters, obtain certification, and carry out their respective duties in design, construction management, and operation.