Applying the numerical simulation program ANSYS to analyze the stability of pillar, it proved pillar is stable.
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。
And the methods saving concrete masonry quantity and strengthening the stability of pillar foundation are given in the paper.
提出了节约混凝土圬工数量的方法和增加基础稳定性所要采取的措施。
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.
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。
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.
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。
The stability of boundary pillar, which can be found across in mine shifting from open-pit to underground mining, is very important for safe production of underground mine.
境界矿柱稳定性分析是露天转地下矿山经常遇到的问题,对于矿山进行地下开采安全生产极其重要。
It may be used for reference in mining design, production management of strip mining and the stability studies of similar pillar.
这将对条带采煤的开采设计及生产管理以及类似矿体的稳定性研究有很重要的参考价值。
The stability of the ore pillar and the roof is a key issue in the pillar recovery in unfilled mined-out area.
在空区未充填的情况下回采矿柱,矿柱与采空区顶板的稳定性是一个关键问题。
The stability of coal pillar of the short-wall mining was analyzed systemically by numerical simulation with the rock failure process analysis software (RFPA2D).
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 goaf-side roadways depends on not only the abutment distribution, but also the fracturing degree of the coal seam and rock strata alone the pillar width.
一侧采空巷道稳定性不仅与支承压力分布有关,而且与煤体受破坏程度有关。
The stability of the ore pillar and the roof is a key issue in the pillar recovery in unfilled mined - out area.
在空区末充填的情况下回采矿柱,矿柱与采空区顶板的稳定性是一个关键问题。
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.
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。
A systematic analysis of pillar stability in strip mining was made. It suggest that a.
系统地分析了条带开采中煤柱稳定性问题。
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 .
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 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。
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.
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。
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。
The research results show that the stability of rock beam-pillar depends on the mechanical geometry characteristic of the system, and it has nothing to do with the external factors.
研究结果表明,岩梁-矿柱系统的稳定性取决于系统自身的力学-几何特性,与外界因素无关。
For a mine to be changed from an open pit to underground stope, the stability of the boundary pillar has direct influences on the safety production of the mine.
此时为了处理好露天与地下同时开采相互影响的问题,一般采用空场法,它需要在露天坑底部、地下开采第一中段的矿房顶部保留一定厚度境界顶柱。
For a mine to be changed from an open pit to underground stope, the stability of the boundary pillar has direct influences on the safety production of the mine.
此时为了处理好露天与地下同时开采相互影响的问题,一般采用空场法,它需要在露天坑底部、地下开采第一中段的矿房顶部保留一定厚度境界顶柱。
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