Plate-type ground improvement and surface improvement methods that demonstrate excellent effectiveness in shallow soft layers.
This is a ground improvement method that can be selected when weak layers are distributed at shallow depths. It involves uniformly mixing and stirring powdered cement-based solidifying materials with the original ground soil using heavy machinery, and carefully compacting it to construct a strong "slab-like improved body." This method demonstrates extremely excellent engineering effects in preventing differential settlement, increasing ground bearing capacity, and preventing liquefaction, reliably supporting important structures from the ground up. The construction process is characterized by low noise, low vibration, and short construction time, minimizing the impact on the surrounding environment. Through clear construction procedures and engineering approaches, it achieves reliable ground bearing capacity reinforcement as required by designers and supervisors.
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basic information
This is a strict construction management specification that guarantees reliable quality and precision. The construction steps adhere to a clear process that includes stripping the topsoil, applying the solidifying agent, mixing and stirring, confirming the improvement thickness, temporary compaction, leveling the surface, and finishing compaction and level confirmation in two directions using a vibrating roller. As part of quality inspection, we conduct uniaxial compression tests on the collected mold cores to verify the strength development. Furthermore, we cover items that scientifically confirm the mixing state of the soil and solidifying agent by utilizing the property of turning purple through phenolphthalein reaction. We will submit improvement plans, cross-sectional drawings, and indoor mixing test results as deliverables.
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Applications/Examples of results
It is suitable for various site conditions where there are soft soil layers in the surface layer. Specifically, it is effective for land that has been tilled due to agricultural use, or sites where the surface layer has been disturbed due to building demolition. Additionally, there are examples of application in cases where buildings overlap with backfill areas due to tree cutting, root removal, or the removal of buried objects, as well as projects that wish to start construction early right after embankment. In practice, we use backhoes and 1-ton vibratory rollers, and we thoroughly predict hazards through KY meetings before construction to prevent accidents. During withdrawal, we clean adjacent roads to avoid leaving mud stains, thereby balancing high consideration for neighbors with reliable construction precision.
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![[Construction Example] Atsugi City Surface Improvement Using Mixing Bucket](https://image.www.ipros.com/public/product/image/fde/2000969677/IPROS10422955838603095570.png?w=280&h=280)
