阐述了相似材料模型实验中测试模型采动过程中工作面顶板围岩应力形成的原理 ,以及测试方法和实验步骤 ,并分析了应力环式模型支架的工作特性与标定结果。两个实验实例表明 ,该方法能满足实验的需要 ,使模拟实验可定量化分析 ,其应用推进了支架与围岩相互作用关系的实验室研究。 The principle of stress formation in the surrounding rock of working face roof during the mining process of the test model in the similar material model experiment is described. The test methods and experimental procedures are also discussed. The working characteristics and calibration results of the stress ring model support are analyzed. Two experimental examples show that this method can meet the needs of the experiment, make the simulation experiment quantifiable, and its application advances the laboratory research on the interaction between the support and the surrounding rock.