Dynamic Characteristics Study with Multidegree-of-Freedom Coupling in TBM Cutterhead System Based on Complex Factors

Figure 14

Time-varying histories and statistics results of the cutterhead joint surface loads.

(a) Time history of the tangential force

(b) Rain flow counting statistics of the tangential force

(c) Time history of the normal force

(d) Rain flow counting statistics of the normal force

(e) Time history of the axial force

(f) Rain flow counting statistics of the axial force