关键词: 沿空留巷, 薄煤层, 新型高水速凝充填材料

Abstract:

Along goaf as a pillar to protect road technology is an effective way of rational development of existing coal resources, increase coal resource recovery rate. Along goaf technology can greatly reduce the amount of mine tunnel excavation to ease the excavation succeed tension, time-to-Face Moving prevent angry and extend the mine service life.It has significant technical and economic benefits.It is a major reform of coal mining and seam with technology.Therefore, whether now or in the future, the technology of coal resources exploitation technology development direction.

Key words: Along goaf, Thin seam, New high-water accelerating filling material