1) top coal caving form
顶煤冒落形态
1.
Based on the analysis of the influencing factors of top coal caving forms and physical mechanics characteristics of caving top coal, the methods of controlling top coal caving have .
研究顶煤冒落形态和顶煤放出控制 ,是进一步提高顶煤采出率的关键 。
2) top-coal control
顶煤冒落
3) top-coal caving configuration
顶煤冒放形态
4) roof separation cavity
顶煤离层冒落
5) roof collapse
顶板冒落
1.
Based on the the fully-mechanized top-coal caving mining of 8~# coal bed in Kangjiatan coal mine,the probability of the gas explosion induced by the impact-friction sparks during roof collapse was studied with the special designed experimental instruments.
针对康家滩煤矿8#煤层综放开采条件,采用专门设计的实验装置对其顶板冒落撞击摩擦火花引爆瓦斯的可能性进行了实验研究。
2.
The analytical reason of the subsidence is that old working roof collapse strengthen the vertical morenent of underground water between coal-series formation and Quaternary loose formation, the strong drain of coal mining in the area intonsify the erosion and transporting action of underground water, the Quaternary carity forms and the earthquake cause to ha.
21"塌陷经过和区域地质环境概况的论述,提出了其塌陷成因是由于古窑采空区顶板冒落沟通了煤系地层和第四系松散层间的地下水运动,加之区内采煤强力疏干加剧了地下水的侵蚀搬运作用,从而形成第四系松散层间的空洞,因地震诱发塌陷的观点。
3.
For roof collapse control of the belt-conveying-roadway of No.
以枣泉煤矿12205首采面胶带运输巷顶板冒落控制为背景,采用弹性力学理论计算和数值分析方法,对复杂条件下大断面巷道顶板冒落失稳机理进行分析。
6) Roof caving
顶板冒落
1.
Roof pressure,structure,water volume,support deformation that are related to the roof caving mechanism are analyzed.
通过对与顶板冒落机理有关的顶板压力、构造、涌水量、支架变形等进行分析,提出了具体的防治措施,指出随着新地质情况的出现,加强新技术、新方法研究的重要性。
2.
In order to solve the problem of roof caving of orebody in deep broken zone of Kangjiawan mine so as to realize safety mining,we performed the mechanical experiment of rocks,compared and numerically simulated the roof controlling measures,tested the mechanical parameters of rocks,analyzed and classified caving phenomenon.
为解决康家湾深部破碎带矿体顶板冒落问题,实现矿体安全回采。
补充资料:顶冒
1.见"顶名冒姓"。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条