Subsurface correction work | Liquid pressure injection and liquefaction prevention work for existing homes while living in them.
Subsidance correction work
No need for moving or temporary housing! The i-LIFT method prevents liquefaction settlement risks in existing homes through liquid pressure injection, allowing for high-precision leveling restoration while living in the house.
GeoTech offers a pre-sinking prevention and horizontal correction solution using the "i-LIFT Method," a liquid pressure injection technique that prioritizes the living environment of homeowners in response to issues related to liquefaction and uneven settlement of existing homes. This method involves the pressurized injection of a cement-based grout with excellent chemical stability into the ground, followed by steps to form a support slab, reinforce the foundation, and lift the structure, thereby significantly strengthening the ground. By utilizing high-precision laser levels and 3D measuring devices to continuously monitor the behavior of the building in real-time during construction, precise level adjustments within millimeters can be achieved without placing excessive stress on the building's structure. The use of compact construction equipment allows for work to be carried out without issues in narrow sites where large machinery cannot enter or where there is minimal space between neighboring properties. There is no need for extensive demolition work or moving to temporary housing, allowing for "construction while living" to be completed, significantly reducing the financial and mental stress on homeowners. This reliable method enhances ground strength to prevent re-sinking, ensuring long-lasting residential comfort and property value.
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basic information
This construction method adopts the i-LIFT method (patent-pending technology), which involves pressurized injection of a chemical solution into the ground to lift buildings. The injected material is a quick-setting cement-based grout with low permeability and leakage, which enhances ground strength while considering water quality and the surrounding environment. In terms of construction management, high-precision laser level measuring instruments and 3D tilt measuring devices are used to monitor and adjust tilt and elevation displacement in real-time to the millimeter. The equipment is compact and lightweight, allowing for transportation and construction even in sites with narrow distances from neighboring boundaries.
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Applications/Examples of results
It will be used for pre-subsidence prevention measures for existing houses on sandy ground where liquefaction is a concern, as well as for lifting and correcting tilted single-family homes that have experienced differential settlement. It is suitable for renovation work that aims to complete the construction while residents remain in their homes, without requiring them to move or find temporary housing. It is widely utilized in various ground preservation projects, such as in narrow sites where large construction vehicles and heavy machinery cannot approach, in densely populated areas with minimal distance from neighboring houses, and for single-family home renovations where horizontal restoration is desired without damaging foundations, columns, or interiors.
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