Assessment of Fractures in Excavation Damaged Zone around Roadways of an Iron Mine Using Optical Televiewer Detecting Method

<div>Layout of Xingshan iron mine (a) plan of typical sublevel layout (b) schematic diagram of shaft and roadway positions of Xingshan iron mine.</div>

Advances in Civil Engineering

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Figure 2: Assessment of Fractures in Excavation Damaged Zone around Roadways of an Iron Mine Using Optical Televiewer Detecting Method 