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The "Tsubasa Pile (Steel Pipe Rotational Press-in Pile)" is a method that involves rotating a steel pipe pile equipped with semicircular steel plates (tip wings) at the tip, which are installed in a crossed manner, to penetrate the ground with low noise and low vibration. The tip wings are expanded to 1.75 to 2.5 times the pile diameter, contributing to a significant tip bearing capacity when functioning as a pile, and providing thrust to the pile during the rotational penetration process. There are two types of tip shapes: "closed-end type" and "open-end type." Inclined piles that can respond to horizontal forces are also possible. 【Features】 ■ Achieves large tip bearing capacity ■ Environmentally friendly construction method ■ Cost reduction ■ By using an enlarged head structure, it has horizontal resistance, excellent seismic performance, and reduced costs ■ Easy to remove *For more details, please refer to the PDF document or feel free to contact us.