It is possible to carry out large-diameter excavation quickly and easily under narrow and low space construction conditions!
The "TBH Piling Method" is a technique that enables large-diameter boring using "reverse circulation," in contrast to the BH method, which operates on a positive circulation basis. It also resolves the issue of slime sedimentation that occurs with positive circulation drilling methods, allowing for reliable management and construction. In recent years, it has been widely adopted for active geo-front construction, demonstrating its capabilities under conditions with low headroom, such as beneath existing structures. 【Features】 - The construction machinery is compact, making it suitable for construction on small sites. - It can be used even in low working height situations, such as under elevated structures or indoors. - It is lightweight and small, facilitating easy transportation even on narrow access roads. - No heavy machinery is required for the assembly and disassembly of the machine. - The noise and vibration levels during construction are extremely low, among other benefits. *For more details, please download the PDF or feel free to contact us.*
Inquire About This Product
basic information
【Other Features】 - Reliable treatment of slime at the bottom of the hole - Enables excavation of gravel and soft rock layers by using a trochoidal bit - Capable of large-diameter excavation up to φ2500mm - Can also construct belled piles *For more details, please download the PDF or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
For more details, please download the PDF or feel free to contact us.
catalog（1）
Download All Catalogs
Company information
TONE Engineering Co., Ltd. is a company that originated from TONE Boring Co., Ltd., which specializes in the manufacturing and sales of boring machines, and has inherited its construction division. Utilizing the technology and resources cultivated through years of research, development, and construction, we are widely engaged in excavation work such as urban civil engineering and drilling projects. Furthermore, to showcase the excavation technology and abundant know-how we have accumulated, we contribute to global infrastructure development, including groundwater development projects, as a part of ODA (Official Development Assistance) provided by governments of developed countries to developing countries.