Sublevel caving method without sill pillar is adopted in the south section of Fengshan Copper Mine.
丰山铜矿南缘采区应用无底柱分段崩落法采矿。
The paper is of important instructive importance to reduce loss and depletion by sublevel caving method without sill pillar.
并对今后无底柱分段崩落法降低损失贫化具有重要的指导意义。
The fundamental principle and mechanism about the technology of top-caving method with vibration are introduced in the paper.
详细介绍了振动放顶煤技术的原理和机理。
Tonkuangyu Copper mine sets up a set of simple and convenient monitoring system of orebody caving state in the mine stope to use block caving method.
铜矿峪铜矿在自然崩落法采场中，建立了一整套简便易行的矿体崩落状态监测系统。
The big parameter and multi-subsection of sublevel caving method without sill pillow combines the Caving method with the advanced theoretic and technic.
大参数多分段并行无贫化放矿的无底柱分段崩落法，是当前崩落法先进理论和技术以及工艺的综合。
The distribution law of inner stress field and its effect on controlling underground impact pressure are discussed, when sub-level caving method is introduced.
讨论了放顶煤开采的采场应力场的分布规律及其对冲击地压的控制作用。
As the first successful introduction of natural caving method in domestic nonferrous metal mine, Tongkuangyu mine increases production capacity and reduces production costs.
铜矿峪矿作为国内第一个成功引进自然崩落法技术的有色金属矿山，提高了矿山生产能力，降低了生产成本。
Caving method is a high efficiency mining method widely used in underground metal mines. While it is a characteristic of the method that the loss rate and dilution rate is high.
崩落采矿法是金属矿山地下开采应用较多的一种高效采矿方法，覆岩下底部放矿损失贫化大是该采矿法的一个特点。
The characteristics and fundamentals of ore drawing control in block caving method are described and computer-based production scheduling for this mining method is studied in the paper.
本文阐述了自然崩落法放矿的特点及其放矿管理的基本原理，探讨了应用计算机进行自然崩落法排产的基本方法。
In combination with the boundary conditions of open-pit and the development system of the underground mining transferred from open-pit, a high efficient induced caving method is proposed.
结合露天开采的边界条件与露天转地下开拓系统条件，提出诱导冒落法高效开采方案。
Based on the similar material simulation and prectical experiment in situ, the movement charactedistic of overburden strata of longwall sublevel caving method has been studied in the paper.
本文用相似材料模拟，现场实测等方法研究放顶煤开采覆岩活动规律。
The paper introduced the successful application of high bench caving method of using deep hole roller rock bit into the practice of solving the complex goaf area, a stuff problem of this kind.
采用深孔牙轮钻机、利用高台阶崩落法成功地处理了复合采空区，解决了复合采空区处理难的问题，使技术人员在熟练浅采、深采空区处理的情况下，又探索出复合采空区的处理方法。
Because of the mining condition of ore belt of southern edge in Fengshan Copper Mine is more complicated, the originally used sublevel caving method in the production have obvious shortcomings.
丰山铜矿南缘矿带开采技术条件复杂，原采用的无底柱分段崩落法在生产中存在较大问题。
The mining scheme and new technology of sublevel filling method cemented by crushed stone and cement slurry, and the production linking up technique to transit from caving method to filling meth...
研究应用了分段碎石胶结充填采矿方法较好地解决了这一问题，介绍该采矿方案和碎？。
According to the theory and method of particle flow code in two dimensions (PFC2D), the block caving law of natural caving mining method was investigated.
以自然崩落采矿法为研究对象，利用二维颗粒流数值模拟(PFC2D)的原理和方法，研究了自然崩落法矿体崩落规律。
A coal mining method with a combination of a slicing and caving, a double benefit in control of water conducted crack zone development and in reduction of coal production cost can be obtained.
对厚煤层采用分层与放顶煤相结合的采煤方法，既可控制导水裂缝带的发育高度，又可降低生产成本。
Through the research of high gas and multi-water-bursting hazards prevention techniques in Jiaozuo coal mine regions, the mining coal method of caving working face is found.
通过对焦作矿区高瓦斯多水害防治技术研究，找出适合该条件下的炮采放顶煤模式的采煤方法。
Through the detail introduction on optimization of raining method in Shandong Wangcun Bauxite Mine, this paper puts forward a new mining method——longwall caving with artificial roof pillar.
通过对山东王村铝土矿采矿方法优化的介绍，提出了一种新的采矿方法——人工顶柱无底柱长壁式崩落法。
A numerical example shows that this method is effective and easily to come into use in the fields of top coal caving mining and coal mining under water bodies in future.
算例的计算结果表明，该方法简单、快速，有望在放顶煤开采和水体下采煤中得到应用。
In accordance with the orebody shapes of Dongdashan iron mine and the adopted mining method, the ways of design and optimization for medium and deep caving parameters were given.
依据东大山铁矿的矿体形态及所采用的采矿方法，浅析了中深孔崩矿参数的设计与优化途径。
The paper studied the gateway layout, the sectional top coal height and the coal mining technology of the coal mining method. Then the gateway and pillar top coal caving technology was developed.
对该采煤方法的巷道布置、阶段顶煤高度以及回采工艺进行了研究，形成了巷柱式放顶煤开采技术。
Because of anciently usually adopting empirical method to determine the structure parameter of non pillar sublevel caving, there are hard to guarantee parameter optimize.
由于无底柱分段崩落法结构参数一直采用经验方法确定，很难保证结构参数最佳，本文分析了放出体和矿石堆体的形态及其影响因素。
Sublevel caving without bottom pillar is the method of mining used at Huashugou Mine, Jiuchun Iron and Steel Co.
酒泉钢铁公司桦树沟铁矿所用采矿方法是无底柱分段崩落采矿方法。
Whether the sill-free sublevel caving mining method is suitable to break and broken orebody has been being discussed for a long time.
无底柱分段崩落采矿法是否适用于松软破碎矿体，一直是采矿界争论的焦点。
Analyses factors that affect cover caving ability of roof coal in sublevel caving mining method.
分析了放顶煤开采顶煤冒放性的影响因素。
Cut-off grade method has been used to control the ore drawing in non-pillar sublevel caving mining both in and outside China.
采用无底柱分段崩落采矿法，国内外一直采用截止品位放矿法来控制出矿。
A high or low coal recovery rate of the top coal caving mining is related to the key technology of the coal mining method to be widely applied.
放顶煤开采煤炭回收率的高低是关系到能否推广这种采煤方法的关键技术。
It adopt dry filling method in the orebody above -350m level and adopt the method of sublevel caving in the orebody under the level. Exploitation engineering already reach -385m level.
目前- 350水平以上还在采用干式充填法还在出矿，- 350水平以下采用无底柱分段崩落法，已开采到- 385水平。
It adopt dry filling method in the orebody above -350m level and adopt the method of sublevel caving in the orebody under the level. Exploitation engineering already reach -385m level.
目前- 350水平以上还在采用干式充填法还在出矿，- 350水平以下采用无底柱分段崩落法，已开采到- 385水平。
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