Abstract
On the basis of a full analysis of the application market for the irregular-shaped TBM, this paper generally discusses the design features of the cutterhead of irregular-shaped TBM, i.e., the design principles of profiling cutterhead and combined cutterhead, and focuses on a series of key technologies such as overall structure design of cutterhead, geological adaptability design tool, cutting tools design and wear resistance improvement design, which have a guiding significance to cutterhead design of irregular-shaped TBM. The research provides an important reference for the design of cutterhead of more complex irregular-shaped TBM
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