We propose a new mining method: point-pillar paste filling based on the combined advantages of room-pillar method and backfilling.
将房柱式开采和膏体充填开采的优点相融合,提出了点柱式膏体充填采煤方法。
The continuous wall junctions are connected by the methods of junction pipe method, junction plate method and section steel pillar method and good effectiveness has been gained.
连续墙墙段接头采用接头管法、接头板法和型钢柱法,均取得了较好的效果。
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。
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。
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。
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。
Bolting manual pillar and room method is a good future method of mining Mn ore body of medium thickness and small pitch.
人工柱锚杆房柱法是一种有前途的开采中厚缓倾斜锰矿床的采矿方法。
Based on experimental data, the micro carbon pillar with an aspect ratio of over 500 was fabricated through focus moving method.
根据实验数据,使用焦距移动方法,生成长径比超过500的微碳柱。
The stress relief method of hole diameter deformation was used to measure the stress distribution of the pillar structure in the mined area in a big phosphate mine.
采用孔径变形应力解除法,测量了某大型磷矿采空区中矿柱结构的应力分布规律;
Short-hole shrinkage method without sill pillar occupies 60%.
无底柱浅孔留矿采矿法60%。
Room-and pillar mining method with small room and pillar.
小矿房、小矿柱的房柱法。
On the basis of summarizing the research results on the grouting theories, an improved analysis method of pillar grouting has been put forward.
在系统总结前人关于灌浆理论研究成果的基础上,提出了改进柱状灌浆的分析方法。
By using the orthogonal design method, simulating with program FLAC, the optimized layout of coal pillar is given.
通过正交设计,利用FLAC软件模拟,给出煤柱稳定性最优的方案。
Combined with mine production, a coal pillar recovery method is introduced, and how to determine recovery form and to rule safety measures are narrated in detail.
结合矿井生产实例,介绍了一种煤柱回采方法,并从合理布置回采方式和制定安全技术措施等方面进行了详细论述。
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。
According to mining condition in Xinli mining area, the room and pillar filling method for large and thick ore-body is determined after research.
根据新立矿区开采技术条件,研究确定对厚大矿体采用分矿房矿柱分层充填法开采。
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。
The paper introduces a method to use the observation technology to ascertain the width of stage coal pillar by an example.
通过一个实例介绍了用实测技术确定区段煤柱宽度的方法。
The authors point out the method of how to decide the stability of coal pillar according to microseismic monitoring results.
提出了由微震事件分布推断区段煤柱稳定性的方法。
The theoretical formulas are developed and applied to the prediction of the rock mass displacements and deformations due to underground mining by pillar-and-room method in mountain areas.
在实测资料统计分析基础上,建立了高陡山区房柱法地下开采岩体移动变形预测分析模型,并给出了岩体变形破坏的极限值。
The method disposing abandoned stope is summarized, and it is proposed that the abandoned stope be disposed by roof cutting and pillar dilapidation.
本文根据木架山的具体条件,提出了应用切顶与矿柱崩落联合法进行木架山采空场处理。
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。
Population and application of the dilution ratio ore drawing method has certain social value and economic value for implementation of the sill pillar-free subdrifting method.
低贫化放矿的推广应用对于实行无底分段崩落法的矿山具有一定的社会价值和经济价值。
This paper introduced a new method for it, ie continuous stoping of room and pillar in stages and to fill mined bed with falling roof by deep-hole blasting.
本文提出了一种矿房矿柱阶段性连续回采,深孔放顶处理空区的采矿方法。
Aiming at the problem of drought and water shortage in north Shaanxi, we analyzed principles for designing room and pillar water-preserved mining method.
针对陕北干旱缺水的实际,分析了房柱式保水开采的设计原则。
With numerical simulation method, the distribution law of coal pillar support pressure in the floor was studied.
运用数值模拟分析方法,研究煤柱支承压力在底板的分布规律。
In this thesis, according to the condition of Mujia Hill, the method of roof cutting and ore pillar dilapidation is proposed.
提出用切顶与矿柱崩落法处理木架山采空区。
This paper offer the algebra ray method to preserve protective coal pillar.
本文采用代数射线法留设保护煤柱。
The metro station of "triple-arch, double-storey and double-pillar" has been built in our country by means of shallow buried subterranean excavation method.
我国已成功地用浅埋暗挖法修建了西单“三拱两层双柱”式地铁车站。
The metro station of "triple-arch, double-storey and double-pillar" has been built in our country by means of shallow buried subterranean excavation method.
我国已成功地用浅埋暗挖法修建了西单“三拱两层双柱”式地铁车站。
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