Characteristic and Mechanism of Roof Fracture Ahead of the Face in an LTCC Panel When Passing an Abandoned Roadway: A Case Study from the Shenghua Coal Mine, China
Characteristic and Mechanism of Roof Fracture Ahead of the Face in an LTCC Panel When Passing an Abandoned Roadway: A Case Study from the Shenghua Coal Mine, China
Authors
Keywords
Longwall top coal caving (LTCC), Roof fracturing occurring in front of a face, Working resistance, Impact load, Failure mechanism
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