Abstract: Due to high stress and large deformation of deep roadway surrounding rock, the support system must have high-strength yielding characteristics.
摘要深部巷道围岩的高应力、大变形特点，要求支护系统具备高强让压的特性。
Industrial field tests have shown that the status quo of large deformation and severe damage of the roadway in the gob-side entry driving has been improved.
现场工业性试验表明，沿空掘巷巷道变形大、破坏严重的现状得以改善。
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