Large Rock Handling / Disassembly and Recovery Type Tunnel Boring Machine "Apache Method"
When it comes to mud-rich propulsion, it's the "Apache method" that takes on harsh conditions!
The "Apache Method" is a construction technique unique to the mud slurry tunneling method that enables long-distance and curved tunneling, as well as the launching and retrieval of tunneling machines from small shafts and existing manholes. When retrieving from existing manholes, the tunneling machine can be removed through an opening of φ600mm without the need to demolish the upper manhole cover or sloped walls. This method incorporates new technology while maintaining the excellent characteristics of the conventional mud slurry tunneling method, achieving a more economical tunneling construction. 【Features】 [Standard Mud Slurry Tunneling Machine "Apache Method Type-0"] ○ A type that can be used within the range applicable to conventional mud slurry tunneling methods. [Large Gravel Compatible Tunneling Machine "Apache Method Type-I"] ○ Fully compatible with gravel and cobbles of 100% nominal diameter that could not be constructed with conventional methods. [Disassembly Retrieval Tunneling Machine "Apache Method Type-II"] ○ Tunneling machines with a nominal diameter of 800 to 1000mm can be launched in segments from small shafts. For more details, please contact us or download the catalog.
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【Lineup and Specifications】 [Standard Mud-Density Type Excavator "Apache Method Type-0"] ○ Capable of long-distance and sharp curve thrusting ○ Applicable diameter: φ800 to φ1350mm → Allows for split launching from small shafts, achieving space-saving construction [Large Gravel Compatible Excavator "Apache Method Type-I"] ○ Crushing with uniaxial compressive strength of 300 N/mm² ○ 3m thrusting ○ Applicable diameter: φ800 to φ1000mm → Allows for split launching from small shafts → Achieving space-saving construction by performing minimal split recovery on the arrival side [Disassembly Recovery Type Excavator "Apache Method Type-II"] ○ Capable of disassembling and recovering all parts of the machine → Contributes to environmental conservation by not leaving the outer shell underground ○ Applicable diameter: φ800 to φ1000mm → Allows for split launching from small shafts → Achieving space-saving construction by performing minimal split recovery on the arrival side ○ Can be recovered from existing manholes with an opening of φ600mm ○ 3m launching ● For more details, please contact us or download the catalog.
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Yasuda Engineering Co., Ltd. has been a specialized company in public sewer construction, contributing to the environmental development of the local community since its establishment in 1975. We have pursued sound management and advanced technical capabilities, continuing to make steady progress. In 2001, we acquired the international standard "ISO9001" and expanded into the field of general civil engineering. We aim to be a corporate group capable of continuous innovation as a comprehensive construction company, including building construction. "Honing our technology with rich sensibility, we evaluate from a fair perspective to enhance the vitality of the company in order to meet our customers' needs." This is the management policy of Yasuda Engineering Co., Ltd. We, Yasuda Engineering Co., Ltd., are committed to uniting all employees to refine our technical skills and create a new future.