1) caving property
冒放性
1.
This paper uses the laboratory physical resembles to simulate the top coal caving property of the hard coal seam,puts forward the top coal caving property characteristics of hard coal,and the circumstance of the pressure distributes in front of the working face.
采用实验室物理相似模拟试验对坚硬煤层顶煤冒放性进行了研究,提出了坚硬顶煤的冒放性特征及工作面前方压力分布情况。
2.
Through the field observation and the data analysis on 13306 Comprehensive Mechanized Caved Coal Mining Face of the Gushuyuan Coalmine, and connecting with the theory of the caved coal property, this paper makes demonstration and analysis on some factors influencing the caving property of the top coal, and puts forward several necessary conditions for the application of the mining of the top coal.
通过对古书院矿13306综采放顶煤工作面的现场观测和数据分析,结合放顶煤的冒放性理论,对影响顶煤冒放性的几个因素进行了论证和分析,提出了使用放顶煤开采的几个必要条件。
2) caving and drawing property
冒放性
1.
By analogue simulating test, the paper discusses fully-mechanized sub-level with dirt band, the top-coal caving and drawing property, the caving procedure and drawing law, and the dirt band critical thickness related to complex structure thickness seam of 2429S.
主要以实验室相似模拟实验为主,对含夹矸复杂结构厚煤层中的2429S综放工作面含夹矸顶煤的冒放性、放煤工艺及放出规律、夹矸层极限厚度的确定等问题进行了论述,并指出了含夹矸顶煤的活动规律和放顶煤开采的技术措施。
3) cavability
冒放性
1.
After analyzing fully-mechanized sub-level caving technology in the case of special thick and hard coal seam, it is presented that the increment of cavability of hard roof coal and available control of gas are the main difficult technology problem to be faced.
通过对特厚坚硬煤层综放开采技术的系统分析，指出提高坚硬顶煤的冒放性和瓦斯的综合治理是该条件下综放开采所面临的主要技术难题。
2.
In the paper,fully-mechanized sub-level caving at home and abroad is systematically summarized,it is presented that how to increase cavability of hard roof coal is main technology difficult problem to be faced.
在国内外综放开采技术系统总结的基础上 ,提出了特厚坚硬煤层综放开采所面临的主要技术难题就是如何提高坚硬顶煤的冒放性。
4) caving ability
冒放性
1.
six indicators for coal seam full machanized caving,gain seam has good caving ability,and better for full mechanized mining adaptability.
针对长治地区15#煤层的赋存条件,采用现场调研和理论分析相结合的方法,利用煤层强度,煤层赋存深度,采放高度比和煤层夹石等六个指标对该煤层综放开采适应性进行了系统的研究,得出该煤层具有良好的冒放性,对综放开采适应性较好。
2.
Also the author identified the method of coal mining in 15th coal seam by analysis of caving ability of top coal caving.
根据太原煤炭气化(集团)有限责任公司长沟煤矿15号煤层赋存情况,从采煤技术上分析适合长沟煤矿的采煤方法,特别是通过顶煤冒放性分析,科学合理地对15号煤层采煤方法进行了确定。
5) top coal cavability
顶煤冒放性
1.
The classification of top coal cavability and its application in Lu’an coal mine;
放顶煤开采顶煤冒放性分类及其在潞安矿区的应用
2.
Determination of top coal cavability in fully mechanized caving;
综放开采顶煤冒放性确定
6) top coal caving and drawing characteristics
顶煤冒放性
1.
Based on the similar simulation model experiment, the three forms of the bridge arch, semi_arch and pillar on the top coal caving and drawing characteristics are put forward.
运用相似材料模型试验，提出了顶煤冒放的桥拱式、半拱式和柱式３种结构特征；分析了影响顶煤冒放性的主要因素；运用数值方法得出了各因素的影响规律、主次排序和权重；基于模糊数学理论，提出了预测顶煤冒放性的分类方案。
2.
Based on the research of the effect of seam conditions on top coal caving and drawing characteristics, the effects of mining technological parameters on top coal caving and drawing characteristics are further researched with finite element orthogonal numerical test.
在煤层条件对顶煤冒放性影响研究的基础上,用有限元正交数值试验,进一步研究了开采工艺参数对顶煤冒放性的影响规律。
补充资料：冒絮
冒絮 头巾。《汉书·周勃传》：“文帝朝，太后以冒絮提文帝。”颜师古注：“晋灼曰：‘《巴蜀异志》谓头上巾为冒絮。’ 师古曰：‘冒，覆也。老人所以覆其头。’”
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