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- Aiming at the fractured mechanism of mine shaft lining under the condition of stratum subsiding, a new type of retractable drilling shaft lining structure was proposed. 针对地层沉降条件下煤矿立井井壁的破坏机理,提出了一种新型可缩性钻井井壁结构。
- shrinkable mine shaft lining connector 可缩性井壁接头
- Keywords thick alluvium;ground freezing method;out wall of mine shaft lining; 关键词特厚冲积层;冻结法;外层井壁;
- mine shaft lining 井壁
- Fit and inspect shaft line of M/E. 4主机轴系安装报验合格。
- A bucket used for conveying ore or coal up a mine shaft. 桶框把生铁或煤运上矿井的框
- Huainan Banji coal mine introduces precasting in Main Shaft and ventilation shaft,and drilling shaft lining is precast construction in ground. 淮南板集煤矿主井与风井采用钻井法凿井,钻井井壁在地面预制施工。
- The rigging for hauling or lifting located at the head of a mine shaft. 在矿井顶部杆上用于提升某物的索具
- Shaft is the throat of mine for a long time,the concrete strength and anti-seep-age of shaft lining as well as the quality of the lining linkage are not ideal. 立井是矿井的咽喉,但立井的砼井壁的强度及抗渗性以及接茬处的质量长期以来不尽人意,是井巷工程中急待解决的问题。
- They got through into the flooded mine shaft,and rescued the comrades. 他们努力进入水淹的矿井,救出了同志们。
- Fracture accidents of vertical shaft lining in aquifer are introduced. 研究了表土段立井井壁的破裂情况;
- They got through into the flooded mine shaft, and rescued the comrades. 他们努力进入水淹的矿井,救出了同志们。
- As often before, birds are acting like the canaries in a mine shaft and giving us early warning of dangerous change. 和以往一样,鸟类的反应正如‘煤矿里的金丝雀’,提前给我们鸣响警钟。”
- Aiming at the deep alluvium support of coal shaft, the composite shaft lining of high strength concrete and double steel cylinders is presented. 针对煤矿立井井筒深厚表土层的支护,提出了采用双层钢板高强混凝土复合井壁结构。
- Mine shaft raised is the keg of mine production ,move at high speed and word throughout the year. 矿井提升是矿山生产的咽喉,高速运行,常年工作。
- The upper shaft lining of No.1 blast furnace for smelting high TiO2 bearing vanadic titanomagnetite is repaired by forcing and gunning methods. 对冶炼高钛型钒钛磁铁矿的一号高炉炉身上部进行了压入和喷补造衬。
- Teenage boys clamber down mine shafts 30 to 50 meters deep. 孩子们沿着杆子爬到深30到50米的矿井里。
- Based on the test results, the design method of vertical bearing capacity of the retractable drilling shaft lining was obtained. 由此提出了可缩性钻井井壁竖向承载力的设计方法。
- The shear character in the interface between soil and structure in high stress is one of key research in shaft lining fracture theory. 高应力下土与结构接触面剪切特性的研究是当前井壁破裂理论研究的关键之一,本文对高应力作用下的实验仪器和实验过程做了简要的介绍。
- For hoist and lifting winch for mine shaft, its joint of lifting container and steel wire should adopt wedge type cappel. 煤矿竖井用提升机和提升绞车,其提升容器与提升钢丝绳的连接,应采用楔形连接装置;
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