Aimed at the difficulties of traditional techniques for gob-side entry retaining in S2-6 fully-mechanized coalface with top-coal caving (GEFCTC), the new technique of road-in packing is put forward.

• 摘要针对常村煤矿S2-6综放工作面采用传统技术沿空留巷的难点，提出综放巷内充填原位沿空留巷新技术。