最后根据一回采工作面的基本条件，试算了两类煤巷的顶板离层临界值，并与实际观测数据进行了对比和分析。
Finally, a calculation example was showed, and the results indicated that the roof separation critical value of gob-side roadway is more than that of solid-coal roadway.
可缩量、理论值与现场沿空留巷试验测结果相同，说明了这种力学模型的正确性。
The shrink quantity, theory value and test result of retaining roadways along goaf are the same, this shows the exantness of the mechanics model.
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