It expounds various mining methods and steps, including the bench demarcated, plan mining bench top and bottom floor, the coal and overburden amount of plan mining, and coal quality indicators.
阐述编制露天矿的各种开采计划的方法和步骤，以及其台阶划分、计划台阶顶底板的控制、编制剥离量和采矿量及其煤质指标等；
Abstract: Mining stress appears singularity under the influence of faults of hard thick overburden.
摘要硬厚覆岩断层影响下采动应力出现奇异性。
There exits bed separation zone above water-conducting crack zone overburden after coal mining.
煤层采后覆岩中的导水裂隙带之上存在离层带。
It is indispensability of overburden failure law for mining under buildings, water bodies and railways, especially mining under water bodies.
覆岩破坏规律探测是“三下”采煤，尤其是水体下采煤不可缺少的部分。
The rules of the solution mining subsidence are got. The evolution rules and equation of damage in overburden are got.
获得了岩盐水溶开采沉陷的一般规律，得到了岩层宏观损伤演化规律及方程。
When treating with coal mining under water, we should mostly consider if the cracks resulting from mining in the overburden are interconnected and if the interconnected cracks spread to the water.
在处理水体下采煤问题时，主要考虑开采引起的覆岩中的裂缝是否互相连通以及互相连通的裂缝是否波及到水体。
Discussed rock mass gravity collapse mechanism caused by under ground and overburden failure and surface settlement disaster, offered some underground mining and surface protective measures.
论述了地下矿层开采引起的岩体重力变形机理和造成的覆岩破坏、地表沉陷等灾害，提出了井下开采和井上防护的技术措施。
It provides the experiential and technical assistance for shaft sinking by freezing method in thick overburden of Juye coalfield and other mining areas.
本文总结了龙固副井的冻结施工工艺，为巨野煤田以及深厚表土的冻结施工提供了经验和技术保证。
In this study, a suit of formula for mining overburden bed separation volume calculation was developed based on numerical simulation using cube shape curve regression method.
文章的研究基于数值模拟，采用三次样条曲线回归方法，推导出一套计算采动覆岩离层量大小的公式。
The coal mining around the water-bearing structure is simulated by tests. The variation laws of seepage and temperature fields induced by deformation of overburden rock during mining are analyzed.
对含水构造附近的煤层开采进行试验模拟，重点分析采动过程中覆岩变形引起渗流场、温度场的变化规律。
The lateral overburden of faults is "wedge" shaped, and mining stress is lower than that of the stress of the primary rock.
断层外侧覆岩呈“楔形”，采动应力低于原岩应力。
These mechanics parameters were the base of dynamic simulation of mining overburden.
反演得到的力学参数是覆岩移动动态模拟的基础数据。
The collapse of overburden layer and land surface due to underground mining is one kind of environmental hazards induced by human being.
采矿区覆岩及地表塌陷是涉及全球性人为环境灾害之一。
The analysis of 3D elasto-plastic FEM is introduced for calculating the deformation of the ground surface caused by underground mining under thick rock overburden.
介绍了在厚覆盖岩层条件下，确定地下采矿引起地表变形特征的三维有限元弹塑性计算分析工作。
This paper describes a mining construction technique of a shallow overburden underpass for pedestrians in Guiyang City, the first of its kind there.
本文主要介绍贵阳市首条采用浅埋暗挖法施工的中华路六中、省政协人行通道的浅埋暗挖施工技术。
This paper describes a mining construction technique of a shallow overburden underpass for pedestrians in Guiyang City, the first of its kind there.
本文主要介绍贵阳市首条采用浅埋暗挖法施工的中华路六中、省政协人行通道的浅埋暗挖施工技术。
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