| 摘要 |
PURPOSE: A tunnel boring machine with an impact excavation device are provided increase rock excavation capability by mounting an impact device and a bit on an excavation plate of TBM equipment. CONSTITUTION: A tunnel boring machine with an impact excavation device is constituted as follows. The bit is replaced in an excavation breaker for applying impact on a spot, in which existing bit and a roller disk cutter are mounted, due to fluid pressure, air pressure, and electrical energy or excavation tools such as a rock tool for a top hammer of blast-punching equipment are mounted on the excavation breaker.
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