Settlement correction work | Restoring trust by fixing settlement and cracks in the base foundation with steel pipe piles!
Immediate repair of shallow residential foundation settlement and cracks! A technology that prevents re-settlement and restores corporate trust using a steel pipe pile driving method that utilizes the building's own weight.
Local subsidence and cracks in the foundation of detached houses that occur after handover are very serious issues for contractors and house manufacturers in terms of customer response and after-sales support. Delays in identifying the cause and inadequate construction responses can lead to secondary complaints and a loss of brand trust for the company. GeoTech's subsidence correction work involves a steel pipe pile pressing method, where small hydraulic jacks use the weight of the building as a reaction force to drive steel pipe piles into deep supporting layers, precisely lifting the problematic foundation and restoring it to a high level of accuracy. Epoxy resin injection is applied to damaged concrete cracks to fully restore structural strength, and lightweight bubble mortar (air milk) is filled into ground cracks and voids to enhance ground contact. The work can be carried out while the residents remain in the house, significantly reducing the burden on homeowners with a short construction period and low vibration. With a reliable construction plan linked to the re-issuance of after-sales guarantees, we quickly resolve issues with homeowners and provide a deep sense of security.
basic information
This construction method uses general structural carbon steel pipes that meet the JIS G3444 STK400 standard (with an outer diameter of 114.3 mm or more and a wall thickness of 4.5 mm or more). The weight of the building is used as a reaction force to extend the steel pipes with a hydraulic jack, ensuring they reach a solid support layer with a confirmed equivalent N value of 10 or more through SWS testing. High-durability epoxy resin injection material is used for crack repairs, and air-entrained mortar (air milk) is applied to fill subsided or void areas under floors and underground. The allowable bearing capacity calculations and safety factors for foundation connections are rigorously verified and secured.
Price range
Delivery Time
Model number/Brand name
Subsidance correction work
Applications/Examples of results
It is ideal for repairing foundation subsidence after handover of properties by house manufacturers and construction companies, handling after-warranty issues, and restoring the structural functionality of foundation cracks. We have numerous achievements in quickly addressing liability for defects and resolving complaints from homeowners through structural integrity renovations. It is widely applicable to subsidence corrections in occupied residences where homeowners continue to live, sites with limited space where large machinery cannot be brought in, foundation tilt correction work conditioned on re-attaching ground guarantees, and foundation reinforcement work aimed at preventing future subsidence.
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