由关键块的分析和数值模拟结果，确定了综放沿空小断面留巷的断面形状，给出了斜梁的合理支护设计。
The entry section shape and the reasonable design of inclined beam were determined according to the analysis of key blocks and the results of numerical simulation.
综放工作面上覆岩层存在着比分层开采层位更高的平衡结构，以大变形梁的形式存在。
There is a balance structure of upper rock layer in higher level compared with the layered extraction, which exists in the form of finite deformation beam.
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