Subsurface correction work | Liquid pressure injection with digital continuous monitoring to prevent liquefaction in existing homes.
Subsidance correction work
Prevent liquefaction settlement risks in existing homes through constant digital monitoring! Achieve millimeter-level horizontal restoration with the i-LIFT method and pressure-injected chemical solutions.
In response to the subsidence issues occurring beneath existing homes and concerns about liquefaction during earthquakes, Geotech proposes a pre-subsidence prevention solution using the "i-LIFT method," which combines digital continuous monitoring with pressure-injected chemical solutions. This method involves pressure-injecting a quick-setting cement-based grout into the soft sandy layer directly beneath the building, significantly enhancing ground strength through three processes: support layer formation, foundation reinforcement, and lift-up. During construction, ultra-high precision laser levels and three-dimensional displacement sensors are used to continuously visualize and monitor the building's elevation behavior and minute displacement in real-time. By finely adjusting the injection pressure based on numerical data, we can achieve perfect horizontal correction to the millimeter without imposing undue strain or localized stress on the structure. The compact construction does not require large machinery or house demolition, enabling "construction while living" without incurring temporary housing costs or moving expenses. We provide the highest quality ground reinforcement that minimizes future re-subsidence risks to zero, backed by solid scientific evidence.
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basic information
Based on the i-LIFT method (patent-pending technology), a quick-setting cement-based grout material is pressure-injected into the ground. The control system employs ultra-high precision laser level measuring devices and three-dimensional displacement sensors to perform real-time millimeter-level elevation management at all times. The ground is uniformly solidified and strengthened through three stages of control: support layer formation, foundation reinforcement, and lift-up. Environmentally friendly and harmless materials are used, and construction is carried out with space-saving, low-noise, and low-vibration using a small electric pump.
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It is ideal for preventing the sinking of existing homes due to ground liquefaction during an earthquake, as well as for ultra-precise leveling corrections of tilted single-family homes caused by uneven sinking. It is effective in sites where construction needs to be safely and reliably advanced while visualizing the building's behavior with numerical data, as well as in renovation sites where there is a desire to strengthen ground support without demolition or rebuilding. Additionally, it is suitable for sites where homeowners want to complete construction in a short period while remaining in their homes without moving to temporary housing, and for applications that aim to prevent future subsidence and secure objective evidence.
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