Research Article
Space-Time Distribution Laws of Tunnel Excavation Damaged Zones (EDZs) in Deep Mines and EDZ Prediction Modeling by Random Forest Regression
Figure 6
Relationship between Vp and L of different dates in Section 2: (a) test results on March 22, (b) test results on March 30, (c) test results on April 7, and (d) initial size and final size of the EDZ.
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