地盤改良

solid technology and free-mindedness

Related to soil improvement work

Types of Ground Improvement Work
There are four types: "surface layer improvement method" for hardening the ground with cement, "pipe pipe pile method" for driving metal pipe piles, "pillar improvement method" for embedding cement piles, and "high-speed method" for forming columnar crushed stone piles on the way. It is recommended to adopt the method suitable for the ground from the survey results of the parcel number.
「HY SPEED CONSTRUCTION METHOD」Benefits of
Benefits 1,　
　When an earthquake occurs, conventional cement and other methods cause damage, but crushed stone piles in the High Speed method do not cause damage.In addition, the ground itself can be reinforced, so it has the effect of mitigating resonance.In earthquakes, ground improvement using crushed stones is optimized for earthquakes as it does not cause any major damage.
Benefits 2. 　
　Drilling is performed by a drill, natural crushed stones are thrown in, and crushed stones are pushed in by a drill tip, so that a number of crushed stone piles are formed and the pile periphery is strengthened. Crushed stone columns with high friction resistance in the horizontal direction are constructed, and the whole ground is hardened by reinforcing them.It also uses natural crushed stones, so it can be reused without the need for removal.Crushed stone piles do not decay or rust, so the ground remains semi-permanently.
Benefits 3,
　liquefaction in soft ground is inevitable.Because the crushed stone columns themselves pass water, they release water pressure in the ground, and the effect of the piles driven in many places is enormous, so that liquefaction caused by earthquakes can be prevented in advance.