系统地分析了条带开采中煤柱稳定性问题。
A systematic analysis of pillar stability in strip mining was made. It suggest that a.
提出了由微震事件分布推断区段煤柱稳定性的方法。
The authors point out the method of how to decide the stability of coal pillar according to microseismic monitoring results.
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。
By using the orthogonal design method, simulating with program FLAC, the optimized layout of coal pillar is given.
采用岩石破裂过程分析软件RFPA2D系统，对短壁机械化开采的煤柱稳定性进行数值计算与分析。
The stability of coal pillar of the short-wall mining was analyzed systemically by numerical simulation with the rock failure process analysis software (RFPA2D).
在条带开采煤柱尺寸设计中，目前大多数是采用强度稳定性分析的方法，而没有考虑弱面对煤柱稳定性的影响。
In the dimension design of coal pillars in strip mining, presently, most of them are carried out by analyzing strength stability, without considering the effect of weak plane in coal pillar.
本文探讨了影响煤柱稳定性的因素，提出了采用锚杆支护加固煤柱减小煤柱尺寸提高房柱式采煤回采率的技术途径。
The factors affecting coal pillar stability are discussed, and the technical way reducing coal pillar size and enhancing recovery ratio is put forward by means of rock bolting.
并结合控制开采方法、煤柱稳定性分析、地表沉陷预计、采动滑坡区灾害预测理论以及数值模拟确定了控制开采的评价方法。
And combine control mining method, surface subsidence preplan theory, mining landslide area disaster forecast and numerical simulation studied out controlling mining estimate measure.
从系统论的角度提出改善煤柱稳定性的新思路，即从提高稳定性最差的煤柱来改善整个煤柱系统的稳定性，并从材料和结构两个方面给出评价煤柱稳定性的指标。
From the point view of system theory, a new concept for improving the stability of the whole pillar system is put forward, and the indices of pillar stability assessment are introduced.
针对在条带开采煤柱尺寸设计中大多数是采用强度稳定性分析的方法，而没有考虑弱面对煤柱稳定性的影响，由于弱面的存在，煤柱常常会因抗剪强度不够而产生剪切破坏等问题。
In the dimension design of coal pillars in strip mining, presently, most of them are carried out by analyzing strength stability, without considering the effect of weak plane in coal pillar.
输出了多因素指数分析图和留设安全煤柱的区划指标等级稳定性图。
The dissertation draws the analytic map about the multifactor indices and the stability diagram about zoning indices rank of setting up the security coal pillar .
运用ANSYS程序对煤柱的稳定性进行了数值模拟，验证了煤柱的稳定性。
Applying the numerical simulation program ANSYS to analyze the stability of pillar, it proved pillar is stable.
阐述了哈拉沟煤矿主采煤层顶板的赋存特征，以现场监测、现场调研为手段，分析了煤层开采、护巷煤柱尺寸及地下水对煤巷顶板稳定性的影响，为今后煤巷顶板稳定性分类及合理支护提供依据。
By taking the on-site monitoring and research as a tool, the influence of coal mining, coal pillar size and underwater on the roof stability of coal roadways is analyzed.
阐述了哈拉沟煤矿主采煤层顶板的赋存特征，以现场监测、现场调研为手段，分析了煤层开采、护巷煤柱尺寸及地下水对煤巷顶板稳定性的影响，为今后煤巷顶板稳定性分类及合理支护提供依据。
By taking the on-site monitoring and research as a tool, the influence of coal mining, coal pillar size and underwater on the roof stability of coal roadways is analyzed.
应用推荐