In-situ stress was measured by overcoming method in borehole in Zhaolou Coal Mine shaft station.
采用钻孔套芯应力解除法在赵楼煤矿井底车场位置选点进行了地应力测量。
Durability inspection and safety evaluation were made to a damaged coal mine shaft tower due to the corrosion of rebar in concrete, and the corrosion mechanisms of rebar in concrete were analyzed.
对产生钢筋锈蚀破坏的某煤矿井塔进行了耐久性检测和安全性评价，同时进行了混凝土内钢筋腐蚀机理分析。
All of the 28 miners who were working in the shaft were killed when an underground cable caught fire at about 8:10 pm at Xiaonangou coal mine at Sangshuping Township of Hancheng City.
17日20时10分许，陕西省韩城市桑树坪小南沟煤矿井下电缆着火，造成28名矿工遇难。
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