摘要
服务于V号矿体深部开采的2#溜矿井,由于井壁围岩及混凝土浇灌层受倒矿矿石下落冲击,溜井井筒多处出现大面积垮塌,存在安全隐患,难以继续服务生产,遂决定对井筒及时进行修复加固进行原位修复。以确保溜矿井的正常使用。
Due to the impact of falling ore on Wall Rock and concrete pouring layer of No.2 Clay Mine,which serves for deep mining of no.V orebody,the clay shaft partially collapsed in a large area and needed to be repaired and strengthened in time To ensure the proper operation of the optimus shaft.
作者
海祥
HAI Xiang(Jiangxi copper group dongtong mining co.LTD,Fuzhou 331812,China)
出处
《世界有色金属》
2020年第23期149-150,共2页
World Nonferrous Metals
关键词
溜矿井
垮塌冒落
填沙法
原位修复
经验总结
Sliding mine
collapse and caving
sand filling method
in situ repair
experience summary