Choice of stope matting material for dry type back-filling mining method 干式充填采矿法采场铺垫材料的选择某型号发射机导热密封垫材料的确定
Furthermore, the writer also introduces some project construction method and technology, like concrete back-filling, compound geomembrane, grouting stone-laying, compressing casting, etc. 介绍了包括施工方案,施工工艺和拆除护坡结构、回填水泥土、铺设复合土工膜、灌浆砌石、压密注浆等施工方法。
Analysis on the Stability of Fill of Extra Large Stopes in Anqing Copper Mine Choice of stope matting material for dry type back-filling mining method 安庆铜矿特大型采场充填体稳定性分析干式充填采矿法采场铺垫材料的选择
A research on an optimized five-in-one technology of mine water control, treatment, utilization, back-filling and eco-environment protection 矿井水控制、处理、利用、回灌与生态环保五位一体优化结合技术研究
Test and analyse permeability coefficient of pea-gravel back-filling grouting in division water tunnel 引水隧洞豆砾石回填灌浆渗透系数的试验分析
A few points about the mechanics of back filling which restrain the development of cementing back-filling method 制约胶结充填采矿法发展的若干充填体力学问题
In order to solve the problem about lack of tailings for back-filling in Xinhui Gold Mine, the technology on mining of tailings in open pit for underground stope back-filling is investigated. 为解决鑫汇金矿矿山充填尾砂不足和减轻尾砂对环境的污染,研究将原堆放于露天坑的尾砂采出充填井下采场的工艺。
In the mining of steep dip and narrow vein in Hong-Hua-Gou Gold Mine of Chifeng City by using dry back-filling method, the continuous stoping of multi-block was conducted after the division of stopes according to the occurrence regularity of orebody and specific condition. 赤峰红花沟金矿在用干式充填采矿法开采急倾斜薄矿脉时,根据矿体赋存规律,因地制宜地划分采场,对多矿块进行了连练回采,取得了较好的效果。
Experiments and Research of the Multilayer Lining of the Da Yao Mountain Tunnel& the Influence of Overbreak Back-filling Layer on the Bearing Capacity of the Multilayer Lining Structure 大瑶山隧道复合式衬砌模型试验研究&超挖回填层对复合式衬砌承载能力的影响
Application of hydraulic dredging and back-filling technique in earth dam construction 水力冲填技术在土坝施工中的应用
In this paper, the development and updated application of high-density back-filling method during metal mining were described, and several typical metal mining methods with high-density back-filling were introduced. 本文首先综述了全尾砂高浓度充填采矿方法在金属矿山应用研究的发展和现状,介绍了几个具有代表性的利用全尾砂高浓度充填采矿方法的矿山。
This paper introduces the construction technique emphases of fluid cement-flyash as a new process of the back-filling technique for the back wall and foundation ditch, and expounds the requirements of the construction technique and quality control. 介绍了流态水泥粉煤灰作为一种台背、基坑回填的新工艺的施工技术要点,论述了流态粉煤灰施工工艺和质量控制要求。
This essay introduces downward piling access back-filling mining method used in Wushan Copper Mine, analyses the factors that affect the stability of pseudo-ceilings and puts forward an approach of pseudo-ceiling. 本文介绍了武山铜矿下向分层进路式充填采矿法概况,分析了影响假顶稳定性因素,提出了假顶护顶的途径。
The application of the method of cementing back-filling With lump rock in our mine 块石胶结充填采矿法在我矿的应用实践
Construction Method of Back-filling of Graded Gravel for Abutment Back 级配砂砾回填台背的施工方法
Exploration on bottom structure suitable for mechanized back-filling method to mine steep narrow veins 适合急倾斜薄矿脉机械化充填采矿法底部结构的探讨
The mined-out area originated from the application of open stope method should be treated by back-filling, caving or supporting when its volume or area reaches a certain quantities. 空场采矿法所形成的采空区,当其体积或面积达到一定数量之后,应使用充填、崩落或支撑等方法进行处理。
Continuous stoping of multi-block of steep dip and narrow vein by dry back-filling method 急倾斜薄矿脉多矿块连续回采干式充填采矿法
In comparison, the research is at the initial stage in China, especially on bentonite-sand mixtures, which are used as the back-filling materials for high-level radioactive nuclear waste repositories. Testing data of bentonite-sand mixtures are very valuable. 相比之下,我国起步较晚,在很多方面尚处于初级阶段,特别是对于作为核废料处置中缓冲、回填材料的膨润土加砂混合物的研究试验才刚刚开始,试验资料非常宝贵。