Advances in Civil Engineering / 2018 / Article / Fig 7

Research Article

Safety Mining Technology of Coal Seams in Weathered Zone Based on Ground J-Type Pregrouting Reinforcement

Figure 7

Working face hydraulic support that surround the rock relations: (a) double and (b) single bearing layer structures.

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.