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Ground improvement, vibration reduction measures, and liquefaction countermeasure method "D・BOX"

An excellent method that achieves both ground reinforcement and vibration reduction effects simply by being laid on the target ground.

The "D・BOX(R)" is a product developed by the Metri Technology Research Institute based on the theory, effects, and achievements of the soil bag method created by Professor Emeritus Matsuoka of Nagoya Institute of Technology. The D・BOX method is a technique that allows for composite effects such as ground reinforcement, vibration reduction, and liquefaction countermeasures using the D・BOX. It is a method developed to utilize "sandbags" as modern ground improvement construction technology, and it has evolved to the point where it can no longer be called a "sandbag," hence the name D・Box (Divided Box). Currently, the developers of the D・BOX method, Matsuoka and Nomoto, continue to take on new challenges for the advancement of the technique. 【Main Effects】 ○ Ground reinforcement effect → Reinforcement of extremely soft ground such as marshes is possible ○ Reduction of machine and traffic vibrations ○ Reduction of seismic motion ○ Liquefaction prevention effect ○ Frost heave prevention effect For more details, please contact us or download the catalog.

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Liquefaction countermeasure WIB method

Reduction of seismic forces and prevention of liquefaction! Constraining the soil inside the cell to suppress ground deformation and reduce seismic motion.

The "WIB Method for Liquefaction Countermeasures" protects buildings from damage caused by earthquakes and liquefaction. The basic structure consists of replacement soil that acts as a seismic isolation layer, ground improvement piles that function as a damping layer, and support ground improvement piles that support the building foundation. The ground improvement piles in the damping layer are constructed in a cellular shape, creating a strong and stable composite ground (non-liquefied layer). Additionally, by increasing resistance through the combined use of pile foundations and the WIB method, it is possible to reduce the number of piles or lower the grade of the piles, thereby rationalizing the design and leading to cost reductions. 【Features】 ■ Ground improvement piles in the damping layer are constructed in a cellular shape ■ Creates a strong and stable composite ground (non-liquefied layer) ■ During an earthquake, the cellular ground improvement piles restrain the soil inside the cells ■ Suppresses ground deformation and reduces seismic motion ■ Since liquefaction does not occur inside the cells, it blocks the propagation of liquefied mud water below, preventing surface liquefaction *For more details, please refer to the PDF materials or feel free to contact us.

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