Research Article

Formation Mechanism and the Height of the Water-Conducting Fractured Zone Induced by Middle Deep Coal Seam Mining in a Sandy Region: A Case Study from the Xiaobaodang Coal Mine

Table 1

The height of the WCFZ results of the 112201 coalface by different methodologies.

BoreholesHeight of the WCFZ/mHw/M
Fluid leakageBorehole TVComprehensive results

XSD1158.78154.01158.7827.38
XSD2157.08152.01157.0827.08
XSD4175.57177.07177.0730.53
XSD574.481.581.514.05
XSD60000.00