Ground reinforcement work | SMD method that solves construction challenges in small sites and densely populated residential areas.
The SMD method realizes consideration for neighbors and significant shortening of construction time in narrow sites and densely populated residential areas through the use of small construction machinery and no soil disposal or curing.
Ground reinforcement work is an essential construction process to prevent tilting and structural damage of buildings on weak ground, ensuring the long-term structural safety of the buildings. In urban areas and densely populated residential zones, the distance between adjacent buildings and narrow access routes pose significant challenges. The SMD pile method developed by Geotech Co., Ltd. is a minister-approved rotary driven steel pipe pile method that demonstrates its effectiveness in small sites and environments with many constraints. This method uses a compact, specialized construction machine (such as the DHJ series), allowing for smooth transportation and installation even in sites where conventional large machinery cannot enter. Since it employs a non-dirt-displacing rotary driven method that does not use cement solidifying materials, there is no need for the disposal of excess soil or curing periods, enabling immediate commencement of the next foundation work after completion of the piling. The work proceeds with low noise and low vibration, and there is no impact on the surrounding environment from cement dust. Through meticulous pre-investigation and real-time data management, we achieve both a reduction in construction time and high-quality reinforcement while preventing neighborhood disputes.
basic information
The SMD method is a space-saving rotary penetration steel pipe pile construction method that accommodates the transportation and pouring using small construction machines (such as DHJ06-30). It has obtained certification from the Minister of Land, Infrastructure, Transport and Tourism (TACP-0112/0113, etc.) and features special wings that are 2 to 3 times the outer diameter on the tip of STK steel pipes with an axis diameter of φ89.1mm to φ267.4mm. The maximum construction depth reaches 130 times the axis diameter (up to 34.8m) and can be widely applied to sandy and clayey soil layers. It is a completely dry construction method that does not require curing time, enhancing on-site construction efficiency and significantly compressing the overall construction period.
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Ground reinforcement work
Applications/Examples of results
The SMD method is ideal for new construction and renovation projects in narrow access roads where large heavy machinery cannot enter, such as flagpole lots, densely populated residential areas, and small sites. It is also utilized in construction projects that prioritize minimizing noise and vibration to neighboring homes, as well as in environmentally conscious projects that aim to avoid the scattering of cement milk and soil contamination. Furthermore, since it allows for immediate transition to foundation work after pouring, it is highly effective for residential and commercial construction projects that require a short construction period, as well as for foundation reinforcement under strict conditions close to existing retaining walls.
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