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Ground reinforcement construction [Certified method] SMD method

Ground reinforcement construction [Certified method] SMD method

Three-story, reinforced concrete structure, retaining wall, etc., optimal as a ground reinforcement method requiring government approval!

When planning a basement for structures that exceed the design ground bearing capacity of 30 kN/m² → When it is necessary to embed the foundation to the angle of repose (30° line) For structures that are difficult to approve with ground improvement and would be over-spec with PC piles → Steel-framed buildings of 3 to 4 stories / retaining walls with a design ground bearing capacity of less than 100 kN/m², etc.

  • Ground improvement
  • Ground foundation construction method
  • Pile and foundation work
  • SMD method

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Ground reinforcement work | SMD method that facilitates smooth processing of confirmation applications with efficient approval procedures.

Ground reinforcement work | SMD method that facilitates smooth processing of confirmation applications with efficient approval procedures.

The SMD method, which has ministerial certification and is optimal for structures subject to administrative guidance during the application for confirmation, such as those with a design bearing capacity exceeding 30 kN/m², existing retaining walls, and buildings with basements.

Ground reinforcement work is a foundational technology that physically prevents the risk of uneven settlement faced by building structures and ensures the long-term structural safety of buildings. The SMD pile method provided by Geotech Co., Ltd. is a highly reliable construction method certified by the Minister of Land, Infrastructure, Transport and Tourism, developed to address complex structures subject to building confirmation applications and administrative guidance. This method demonstrates its true value under stringent design conditions, such as buildings with basements where the design ground bearing capacity exceeds 30 kN/m², existing retaining walls requiring embedment to the angle of repose, and steel-framed buildings of 3 to 4 stories. In cases where ground improvement methods result in insufficient bearing capacity and precast pile installation leads to excessive specifications and high costs, it provides overwhelming end bearing capacity and excellent economic efficiency to solve these issues. It is equipped with an objective and clear bearing capacity calculation formula derived from standard penetration tests (N values), allowing for rapid and smooth passage through administrative reviews. We offer a consistent system from consultation to design support and on-site management, proposing safe and rational ground reinforcement solutions.

  • Ground improvement
  • Ground foundation construction method
  • Pile and foundation work
  • SMD method

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Ground reinforcement work | SMD method that solves construction challenges in small sites and densely populated residential areas.

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.

  • Ground improvement
  • Ground foundation construction method
  • Pile and foundation work
  • SMD method

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SMD method for visualizing construction data and ensuring quality for apartment building construction.

SMD method for visualizing construction data and ensuring quality for apartment building construction.

Visualizing reliable construction quality through real-time data tracking with construction management devices and ISO quality management.

In the condominium construction industry, the stability of the ground is extremely important for the long-term safety of buildings and the maintenance of asset value. Ground subsidence can affect the structure of buildings, potentially leading to increased repair costs and decreased asset value. Therefore, a quantitative ground assessment and advanced site management to reduce subsidence risk are required. The SMD pile method by Geotech Co., Ltd. is a Minister of Land, Infrastructure, Transport and Tourism certified rotary-driven steel pipe pile method that leverages construction visualization and a strict quality control system to address these challenges. 【Usage Scenarios】 - Ground reinforcement in new condominium construction - Objective stopping judgment through comparison with ground survey data - Achieving uniform construction quality independent of operator experience 【Benefits of Implementation】 - Assurance of structural safety of buildings - Maintenance of asset value through reduced subsidence risk - Response to various ground guarantees backed by reliable data

  • Residential foundations
  • Renovation and repair methods
  • Other civil engineering works
  • SMD method

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Ground reinforcement work | SMD method that reduces site costs with no soil disposal and low noise.

Ground reinforcement work | SMD method that reduces site costs with no soil disposal and low noise.

An environmentally friendly SMD method that achieves both the reduction of surplus soil disposal costs and the protection of the surrounding environment through construction without any generated soil and low-noise rotary penetration.

Ground reinforcement work is an essential construction process to prevent differential settlement and structural damage in soft ground, ensuring long-term durability. The SMD pile method developed by Geotech Co., Ltd. is a small-diameter rotary driven steel pipe pile method that achieves a high level of environmental consideration and cost reduction. The most significant feature of this method is its completely non-discharge construction through self-advancing rotary penetration. Since no construction-generated soil that becomes industrial waste is produced on-site, the disposal costs for surplus soil and the transportation costs for large vehicles from the site can be significantly reduced. The absence of cement milk eliminates the risk of cement scattering and groundwater contamination, and the work can be carried out with low noise and low vibration, greatly reducing noise complaints from neighboring residences. Furthermore, the use of compact construction machinery allows for smooth transportation and pouring even in narrow sites and densely populated residential areas. Under a nationwide construction network and a strict quality control system, we achieve high-quality ground reinforcement at low cost while reducing environmental impact.

  • Ground improvement
  • Ground foundation construction method
  • Pile and foundation work
  • SMD method

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Ground reinforcement work | SMD method to optimize pile layout for mid-rise buildings and steel structures.

Ground reinforcement work | SMD method to optimize pile layout for mid-rise buildings and steel structures.

The SMD method optimizes pile layout with its enormous tip support strength due to a special inner and outer wing structure, significantly reducing foundation costs for mid-rise buildings and steel structures.

Ground reinforcement work is an essential process to eliminate the risk of settlement that buildings face and to ensure long-term safety from a structural foundation perspective. In particular, insufficient ground measures in mid-rise steel and reinforced concrete structures, as well as large constructions that require high ground bearing capacity, can lead to distortion of the structure and serious defects. The SMD pile method provided by Geotech Co., Ltd. is a small-diameter rotary penetration steel pipe pile method certified by the Minister of Land, Infrastructure, Transport and Tourism, featuring special outer and inner wings attached to the open-type steel pipe tip. During rotary penetration, the inner wings appropriately capture soil to suppress core deviation during excavation, and when the target depth is reached, the soil inside the pipe completely blocks it, demonstrating tremendous end bearing capacity. This excellent support performance allows for a reduction in the number of piles and a decrease in the shaft diameter compared to conventional precast concrete piles and large-diameter piles, significantly optimizing the overall layout plan of foundation work. Our company has established a consistent system from prior foundation design support to on-site construction and torque data management, proposing ground reinforcement that ensures structural safety and achieves substantial cost reductions.

  • Ground improvement
  • Ground foundation construction method
  • Pile and foundation work
  • SMD method

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Ground reinforcement work | Visualizing construction data to ensure reliable quality with the SMD method.

Ground reinforcement work | Visualizing construction data to ensure reliable quality with the SMD method.

The SMD method visualizes reliable construction quality through real-time torque and depth data tracking using construction management devices, along with a strict ISO quality management system.

Ground reinforcement work is extremely important for eliminating settlement risks in advance through quantitative ground evaluation and advanced site management, ensuring the structural safety of buildings. The SMD pile method provided by Geotech Co., Ltd. is a Minister of Land, Infrastructure, Transport and Tourism certified rotary driven steel pipe pile method that leverages visualization of construction and a rigorous quality management system. In this method, in addition to the high end-bearing capacity generated by the special inner and outer wings at the tip of the steel pipe, a construction management device is standardly operated during site construction. Data such as rotational torque, penetration depth, and turning speed are monitored and automatically recorded in real-time, allowing for scientific and objective stopping judgments through comparison with ground investigation data. This achieves uniform and extremely high construction quality across all piles, independent of individual operator experience. Furthermore, our company operates a unique quality management system compliant with ISO 9001, establishing complete traceability from material procurement to site management and the preparation of final reports. With reliable data backing, we fully support various ground guarantees, providing lasting peace of mind to our clients.

  • Residential foundations
  • Renovation and repair methods
  • Other civil engineering works
  • SMD method

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Ground reinforcement work | SMD method that completely prevents the settlement risk of cohesive soil layers with a sealing effect.

Ground reinforcement work | SMD method that completely prevents the settlement risk of cohesive soil layers with a sealing effect.

The Minister-approved SMD method prevents differential settlement accidents in weak, viscous soil using an open-type steel pipe and a special inner and outer wing for pipe internal blockage effects.

Ground reinforcement work is a foundational technology designed to prevent uneven settlement of buildings on weak ground and clay layers, ensuring structural safety over an extended period. Particularly when constructing buildings on thick clay layers containing moisture, neglecting appropriate reinforcement in advance can lead to distortions and defects in the structure due to consolidation settlement. The SMD pile method provided by Geotech Co., Ltd. is a Minister of Land, Infrastructure, Transport and Tourism certified rotary driven steel pipe pile method, equipped with special outer and inner wings at the tip of an open-type small-diameter steel pipe. During the rotary driving process, the inner wings capture soil into the pipe to prevent axial deviation, and upon completion of driving to the target depth, the captured soil completely seals off, creating a strong end bearing capacity. This ensures reliable support performance even on clayey ground (equivalent N value of 27 or lower), eliminating settlement risks from the structural foundation. Our company conducts detailed pre-analysis of soil data and automatic tracking using real-time torque management on-site, achieving high-quality ground reinforcement that objectively proves reliable bottoming through data.

  • Residential foundations
  • Renovation and repair methods
  • Other civil engineering works
  • SMD method

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Ground reinforcement work | SMD method that protects the environment without using blast furnace materials, steel pipes, and cement.

Ground reinforcement work | SMD method that protects the environment without using blast furnace materials, steel pipes, and cement.

An environmentally friendly SMD method that achieves zero soil contamination and reduces leftover soil through the use of high-quality blast furnace steel pipes and cement-free rotary penetration technology.

In ground reinforcement work, not only enhancing the seismic resistance and bearing capacity of buildings but also reducing the burden on the surrounding environment and the Earth's environment is an important issue in modern architecture. The SMD pile method provided by Geotech Co., Ltd. is an environmentally friendly ground reinforcement method certified by the Minister of Land, Infrastructure, Transport and Tourism, using JIS standard steel pipes (STK400 and STK490) made from blast furnace materials. This method employs a completely dry construction process that does not use any cement solidification materials or chemicals, thereby physically eliminating the risk of soil contamination and groundwater pollution caused by the leaching of hexavalent chromium. Furthermore, the no-dirt-disposal technology during rotary insertion ensures that no construction-generated soil, which would become industrial waste, is produced, significantly reducing the costs of soil disposal and CO2 emissions during transportation. We offer a variety of shaft diameters ranging from φ89.1 mm to φ267.4 mm, and we implement safe and clean construction under real-time monitoring by construction management devices and strict quality control. We balance environmental protection with high advanced support performance, continuously safeguarding the land asset value of our clients.

  • Residential foundations
  • Renovation and repair methods
  • Other civil engineering works
  • SMD method

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Ground reinforcement work | SMD method to reach a deep support layer of up to 34.8 meters.

Ground reinforcement work | SMD method to reach a deep support layer of up to 34.8 meters.

The minister-certified SMD method achieves reliable tip anchoring to deep support layers with a maximum deep excavation performance of 34.8 meters, reaching 130 times the shaft diameter.

In ground reinforcement work, areas with extremely weak ground, such as coastal regions and alluvial plains where there is no good supporting layer at shallow depths, require advanced construction performance capable of penetrating to deep supporting ground. The SMD pile method provided by Geotech Co., Ltd. is a small-diameter rotary driven steel pipe pile method certified by the Minister of Land, Infrastructure, Transport and Tourism, featuring an outstanding deep penetration capability that reaches 130 times the shaft diameter (maximum construction depth of 34.8 m). By placing unique cutting wings inside and outside the high-quality steel pipe tip with a shaft diameter of φ89.1 mm to φ267.4 mm, it penetrates through thick soft layers with high straightness without deviation. Upon reaching the target supporting layer (with a sand equivalent N value of 60 or less and a clay equivalent N value of 27 or less), it exhibits tremendous end bearing capacity due to the pipe's internal clogging effect. During on-site construction, a dedicated construction management device is used to continuously monitor and automatically record penetration torque and cutting depth, objectively demonstrating deep foundation placement with data. With reliable technical specifications and a strict management system, it supports the safety of structures under severe geological conditions.

  • Residential foundations
  • Renovation and repair methods
  • Other civil engineering works
  • SMD method

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SMD method for visualizing construction data and ensuring reliable quality for residential construction.

SMD method for visualizing construction data and ensuring reliable quality for residential construction.

Visualizing reliable construction quality through real-time data tracking and ISO quality management.

In the residential construction industry, the stability of the ground is extremely important to ensure the long-term safety and durability of buildings. In particular, improving earthquake resistance against natural disasters such as earthquakes is an essential factor in protecting the safety of residents. To prevent the risk of ground subsidence in advance and guarantee the structural safety of buildings, quantitative ground evaluation and advanced site management are required. The SMD pile method provided by Geotech Co., Ltd. is a Minister of Land, Infrastructure, Transport and Tourism certified rotary-driven steel pipe pile method that leverages visualization of construction and a strict quality control system to address these challenges. 【Usage Scenarios】 - Ground reinforcement for new residential buildings - Improvement of earthquake resistance for existing homes - Reduction of differential settlement risks 【Benefits of Implementation】 - Uniform and high construction quality that does not depend on the operator's experience - Increased reliability through scientific and objective stopping criteria - Response to various ground guarantees backed by reliable data

  • Residential foundations
  • Renovation and repair methods
  • Other civil engineering works
  • SMD method

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SMD method that visualizes construction data for commercial facility construction and ensures quality.

SMD method that visualizes construction data for commercial facility construction and ensures quality.

Visualizing reliable construction quality through real-time data tracking with construction management devices and ISO quality management.

In the construction of commercial facilities, a strong and durable foundation is required for long-term stable operation and the safety of users. This is especially important for large structures and facilities used by many people, where reducing the risk of ground subsidence and ensuring structural safety are critical. Inadequate ground reinforcement can lead to early deterioration of the facility or unexpected damage. The SMD pile method by Geotech Co., Ltd. is a Ministry of Land, Infrastructure, Transport and Tourism certified rotary-driven steel pipe pile method that addresses these challenges through the visualization of construction data and a strict quality control system. In addition to the high bearing capacity provided by the special inner and outer wings at the tip of the steel pipe, real-time monitoring and automatic recording of torque and depth data through construction management devices, along with objective stopping judgments by cross-referencing ground investigation data, achieve uniform and high construction quality that does not rely on the operator's experience. With an ISO 9001-compliant quality management system, traceability is established from material procurement to site management and report preparation, ensuring reliable data backing for various ground guarantees. 【Usage Scenarios】 - Ground improvement in the new construction of commercial facilities - Ground reinforcement during the expansion or renovation of existing commercial facilities - Stabilization of extensive ground areas such as parking lots and plazas

  • Residential foundations
  • Renovation and repair methods
  • Other civil engineering works
  • SMD method

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SMD method for construction data visualization and ensuring reliable quality for factory construction.

SMD method for construction data visualization and ensuring reliable quality for factory construction.

Real-time data tracking with construction management devices for factory construction and visualization of reliable construction quality through ISO quality management.

In the factory construction industry, a strong and low-subsidence risk foundation is required for long-term stable operation and productivity maintenance. Particularly when installing large equipment or precision instruments, even slight ground fluctuations can lead to production line stoppages or declines in product quality. Therefore, the elimination of subsidence risks through quantitative ground evaluation and advanced site management is essential. The SMD pile method provided by Geotech Co., Ltd. is a Minister of Land, Infrastructure, Transport and Tourism certified rotary-driven steel pipe pile method that emphasizes construction visualization and strict quality control, contributing to the stabilization of the ground in factory construction. 【Usage Scenarios】 - Ground improvement at the installation site of large production equipment - Subsidence prevention in precision equipment installation areas - Ground stabilization across the entire factory site 【Benefits of Implementation】 - Supports stable operation of production lines - Contributes to maintaining product quality - Ensures long-term safety of buildings

  • Residential foundations
  • Renovation and repair methods
  • Other civil engineering works
  • SMD method

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