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提出了沿空留巷围岩控制原则,分析了留巷围岩控制的主控因素,进行了以中空注浆锚索补强加固为主体的深井沿空留巷巷内支护设计及工业性试验,结果表明,中空注浆锚索集锚注于一体能够高强、及时、主动的控制留巷围岩变形。
The control principle of gob-side entry retaining roadway is proposed. The main controlling factors of surrounding rock control in gob-side entry retaining are analyzed. The support design and industrial The test results show that the hollow grouting and anchor grouting can be used to control the deformation of the surrounding rock in time.