Settlement correction work | Seismic recovery of fabric foundation settlement cracks through SWS investigation and partial jacking.
Subsidance correction work
Clarifying partial subsidence and cracks in the foundation through SWS investigation! We will reliably restore the building's seismic resistance and structural strength with partial jacking and carbon fiber reinforcement.
This construction method is a specialized solution that combines ground analysis based on the SWS (Screw Weight Penetration) test and partial jacking up for single-family homes where some settlement of the foundation and structural cracks have occurred. By conducting a preliminary survey, the causes of uneven settlement in the ground are identified as objective data, and small hydraulic jacks are placed in the settling foundation areas to perform precise horizontal corrections in millimeter increments. For structural cracks in the cloth foundation caused by settlement stress, high-viscosity epoxy resin injection and carbon fiber sheet reinforcement are applied, enhancing the strength of the concrete structure beyond that of a new build. Furthermore, by optimally combining the underpinning method of driving steel pipe piles into the supporting ground, we fundamentally eliminate the risks of future resettlement and uneven settlement during major earthquakes. This method allows for complete construction while residents remain in their homes, ensuring that the homeowner's daily rhythm and comfort are preserved while broadly restoring the overall structural safety of the house, so you can trust us with confidence.
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basic information
The applicable targets are single-family wooden and lightweight steel frame houses (compatible with cloth foundations and slab foundations). As part of the investigation specifications, SWS testing (4 to 7 points) and high-precision laser level surveying of the building will be conducted. For modification and reinforcement equipment, we will use small multi-stage hydraulic jacks (capable of 5t to 20t), laser displacement measuring devices, and electric hydraulic pumps. For structural reinforcement materials, we will use high-adhesion epoxy resin injection materials, carbon fiber reinforcement sheets, and for ground reinforcement materials, STK small-diameter steel pipes (101.6mm to 139.8mm), accommodating construction while residents are living in the house.
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Applications/Examples of results
It is ideal for structural repair work on single-family homes that are concerned about reduced seismic resistance and poor opening and closing of fittings due to uneven settlement of fill soil and ground softening, which has caused partial settlement of the foundation and structural cracks. It is utilized for aftercare by homeowners who want to safely restore the structural strength of the foundation and the levelness of the floor while living in the house without temporary housing or moving, as well as by construction companies and renovation contractors that prioritize earthquake measures and seismic reinforcement. It is widely implemented with the aim of achieving both the extension of the building's lifespan and the improvement of seismic safety, along with the reattachment of ground guarantees.
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