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NEW UNTRADITIONAL TUNNEL BORING TECHNIQUE FOR ALL SOIL TYPES
NEW UNTRADITIONAL TUNNEL BORING TECHNIQUE FOR ALL SOIL TYPES
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机译:适用于所有土壤类型的新的传统隧道掘进技术
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摘要
An innovative industrial and untraditional technique for tunnel boring in all soil types is introduced. In this technique, the boring process is performed inside the front portion of an open face tunnel boring unit integrating the pressurized water and the mechanical boring as main soil cutting tools without affecting the natural soil outside the tunnel boring unit.
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