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Keyphrases
Rock Mass
100%
Tunnel Boring Machine
100%
Penetration Rate
100%
Nonlinear multiple Regression Model
40%
Fracture Index
40%
Challenging Tasks
20%
Technological Progress
20%
Performance Parameters
20%
Tunneling
20%
Performance Index
20%
Rotational Speed
20%
Ranking Method
20%
Accurate Model
20%
Best Model
20%
Model Formulation
20%
Rock Strength
20%
Reliable Estimation
20%
Rock Tunnel
20%
Cutter Force
20%
Total Ranking
20%
Rock Mass Properties
20%
Multiple Linear Regression Model
20%
Intact Rock Strength
20%
Large Database
20%
Rock Mass Condition
20%
Rock Mass Fracture
20%
Cutterhead
20%
Weighting Method
20%
Score Ranking
20%
Best Estimation
20%
Machine Rates
20%
Tunnel Boring Machine Performance
20%
Engineering
Rock Mass
100%
Rate of Penetration
100%
Empirical Model
100%
Tunnel Boring Machine
100%
Rock Strength
33%
Tunnel Construction
33%
Performance Parameter
16%
Rotation Speed
16%
Estimation Result
16%
Intact Rock
16%
Technological Advance
16%
Machine Rate
16%
INIS
rocks
100%
performance
25%
comparative evaluations
25%
nonlinear problems
25%
specifications
25%
fractures
25%
values
12%
speed
12%
rotation
12%
tunneling
12%
coefficient of performance
12%
tunneling machines
12%
Earth and Planetary Sciences
Boring Machine
100%
Multiple Regression
33%
Model Formulation
16%