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

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Ground reinforcement work

last updated：Sep 26, 2026

ジオテック

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.

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basic information

The SMD method is a construction technique certified by the Minister of Land, Infrastructure, Transport and Tourism (TACP-0112/0113, etc.) that supports advanced quality control through real-time data management devices. It consists of STK steel pipes with diameters ranging from φ89.1 mm to φ267.4 mm and special tip wings, achieving a maximum construction depth of 130 times the diameter (up to a maximum of 34.8 m). During construction, penetration torque and insertion depth are automatically recorded, allowing for stop management based on objective numerical values. It enables precise bearing capacity calculations in sandy and clayey soil layers and features high-quality specifications with data tracking throughout the entire process.

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Applications/Examples of results

The SMD method is ideal for public facilities, medical and welfare facilities, large commercial stores, and foundation reinforcement of single-family homes, where strict requirements for objective construction data recording and advanced quality traceability are demanded. It is also utilized in projects that require the submission of rigorous construction backing data for completion inspections and structural conformity assessments, as well as in new construction projects that assume smooth enrollment in ground guarantee insurance. Due to scientific termination management based on quantitative data, it is widely chosen at construction sites that want to demonstrate high structural reliability for all cast-in-place piles.