Based on the structural characteristics of single roof key stratum in shallow seam longwall face, the structural model of the roof key stratum in a state of plasticity is established.

• 摘要针对浅埋煤层单一关键层长壁开采时顶板岩体结构的破断特征，建立了顶板岩体关键层塑性状态下的结构模型。