Research on the Deformation Characteristics and Support Technology of a Bottom Gas Extraction Roadway under Repeated Interference

<div>Schematic diagram of bottom gas extraction roadway layout. The bottom gas extraction roadway is located 10 m under the floor of the coal seam but not directly below the coal roadway. The horizontal offset is 5 m.</div>

Advances in Civil Engineering

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Figure 15

Figure 15: Research on the Deformation Characteristics and Support Technology of a Bottom Gas Extraction Roadway under Repeated Interference 