Introducing a construction case using the all-casing method in a narrow work area!
We would like to introduce a case study of "bored pile extraction work" at Ebisu Kiko, which conducts various foundation and special construction work in civil engineering and architecture. 【Project Overview】 ■ Type of Work: Bored Pile Extraction Work ■ Site Address: Nakano-ku, Tokyo ■ Method: All-Casing Method ■ Extraction Details: Bored Pile φ700 L=11.2m 2 pieces ■ Machinery Used: RK Leaderless Pile Driving and Extraction Machine (Hydraulic Auger) 4.9tccHW (Counterweight Crane) / Wire Saw / Complete Plant ■ Backfill Material: Poorly Mixed After pile removal, a screw is inserted, and poorly mixed material is injected from the tip for replacement Stabilizing fluid is processed with a vacuum truck *For more details, please refer to the PDF document or feel free to contact us.
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【Site Summary】 Due to the narrow working area where large machinery cannot enter, the pile extraction machine was driven in and transported to the extraction location. The pile extraction casing was constructed by extending it with an effective length of 1.5m. The piles were repeatedly cut into smaller pieces using a wire saw for removal. Since there was no space for heavy machinery to turn, after extracting the first pile, the machinery was moved out to the road to rearrange for the second pile extraction. To increase reliability, a lean mix was injected for backfilling and replaced. *For more details, please refer to the PDF document or feel free to contact us.*
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For more details, please refer to the PDF document or feel free to contact us.
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Company information
Ebisu Kiko Co., Ltd. prides itself on its motto, "Challenge with the best effort!" and specializes in various types of pile driving, obstacle removal, and existing pile extraction in challenging work conditions (low headroom, narrow spaces, within tracks, etc.). To meet customer needs, the company owns a variety of low headroom pile drivers, ML backhoes with emergency escape functions, and mini cranes, employing skilled craftsmen for in-house construction. Additionally, basic maintenance and repairs for all heavy machinery are handled by the company's own maintenance department.