煤柱

词组短语

bearing block · coal wedge · coal block · coal pillar · pillar of coal

与煤柱相关的网络例句 [注：此内容来源于网络，仅供参考]

The paper has studied the strata distributive character and engineering geologic property of bed rock zone of weathering in cryptical coal field, based on large of data form testing and real-field materials, taking importance on the laws of overlying destruction and underground pressure behavior and the mechanism of decreasing protective coal columns while extracting proximity zone of weathering .

以大量实验数据和现场测试资料为依据，研究了隐伏煤田基岩风化带岩体的分布特点及工程地质特性，重点论述了邻近风化带开采的覆岩破坏和矿山压力显现规律以及缩小防护煤柱的机理，为类似矿井的资源回收与安全开采提供了依据。

With numerical simulation method, the distribution law of coal pillar support pressure in the floor was studied.

运用数值模拟分析方法，研究煤柱支承压力在底板的分布规律。

Obtained the calculation formulas of stripe—pillar size of two and three dimension in the pillar containing joints by analysing it. Studied the effect of joint trace, angle, density and tension strength on the stability of stipe—pillar. Obtained the upper—limit value of joint angle that has no effect on the stability of stripe—pillar.

通过对含节理煤柱的分析，获得了含节理煤柱的二维、三维条带煤柱尺寸计算式，分析了节理迹长、倾角、密度、抗拉强度对条带煤柱稳定性的影响，获得了节理对条带煤柱稳定性无影响的节理倾角上限值。

Then checking up mining practice, analyzing the observation and prediction data of dripping water amount and effusing water amount throughout mining. It is obvious from the research that the definitive width of waterproof pillar

研究结果表明，所确定的防水煤柱宽度满足开采要求，经济合理；同时，所采用的几种研究方法分析结果基本吻合，说明运用上述方法进行安全防水煤柱宽度的合理留设具有较强的可靠性，对类似矿山有一定的参考价值。

Based on the method of finite element orthogonal test,this paper designs the experimental scheme and gives numerical model of top coal drawing with non chain pillar entry protection .

根据有限元正交试验法，设计了有限元正交试验方案，建立了放顶煤无煤柱护巷的数值模型；通过对计算结果分析，得出放顶煤无煤柱开采沿空巷道的布置参数和支护形式，可为放顶煤无煤柱护巷提供理论依

Area of column of distributinging rule, coal forms the stress that combines coal post lower part the incidence of tall stress area and stoping model accident, the analysis pounds mine to press the course that produce and intensity, take different precaution and processing step in time, obtained very good result, get admissive in practice.

结合煤柱下方的应力分布规律、煤柱区域形成高应力区的影响范围和回采典型事故，分析冲击矿压发生的过程和强度，及时采取不同的预防和治理办法，取得了很好的效果，在实践中得到认可。

Based on principle of protection a point and a line on the ground,this paper puts forward the principle of similar ellipse method to design coal pillar for protection of buildings,and the method and step are proposed.

在保护地面上一点、一条直线原理的基础上，提出了似椭圆法留设保护煤柱的基本原理，给出了留设保护煤柱的方法与步骤。

In this paper,the deformation law of supporting coal pillar at Sanbula district is analyzed by using numerical simulation and the reasonable size of coal pillar and the parameter of bolt in the entry is got.

采用数值模拟方法对天隆集团公司三不拉采区支撑煤柱的变形规律进行分析，得出了该采区的合理支撑煤柱尺寸以及巷道锚杆支护参数，对设计和施工有参考作用。

In order to determine the size of coal pillar scientifically and reasonably, we mainly studied the law of stress distribution of the surrounding rock and the mechanism of narrow pillar drift and high strength bolt support and so on, indicating that using the narrow pillar drift and high strength bolt support can effectively guarantee the stability of gob-side entry in deep mine.

为科学合理地确定煤柱尺寸，保证沿空巷道的稳定，研究了沿空巷道的围岩应力分布规律、小煤柱护巷机理以及高强锚杆支护。从理论上证明了采用小煤柱护巷及高强锚杆支护方式理论上能够有效地保证深井沿空巷道的稳定。

The text obtains some data that caving span of immediate roof is 30m, caving span of main roof at first weighting is 42m and caving span of main roof at periodic weighting is 14m. Mining influence range is determined about 40m through numerical modeling, namely about three advance pillars were in the range of mining influence.

利用数值模拟得出煤柱采场直接顶的垮落步距为30m，老顶的初次来压步距为42m，老顶的周期来压步距为14m；通过模拟超前支承压力，确定了采动影响范围约为40m，即采场超前的三个煤柱都在影响之内。

与煤柱相关的网络解释 [注：此内容来源于网络，仅供参考]

impermeable barrier：不透水煤柱

impermeable 不可渗透的 | impermeable barrier 不透水煤柱 | impermeable bed 不透水层

stander：煤柱

standard tool 标准工具 | stander 煤柱 | standing ground 坚实地层

stumping：回采煤柱

stump extraction 回采煤柱 | stumping 回采煤柱 | sub 分段

pillaring back：后退式回采煤柱

pillar thinning 矿柱部分回采 | pillaring back 后退式回采煤柱 | pilot boring 预先钻进

barrier pillar：安全煤柱

barrier method 柱式开采法 | barrier pillar 安全煤柱 | barrier system 柱式开采法

barrier pillar：矿界煤柱 ; 防水煤柱 ; 保安煤柱

"barrier","阻隔 ; 堰洲[堤]" | "barrier pillar","矿界煤柱 ; 防水煤柱 ; 保安煤柱" | "barring-down","撬松石"

bearing block：矿枉煤柱

bearing alloy 轴承合金 | bearing block 矿枉煤柱 | bearing bush 轴承瓦

coal block：煤柱

coal bed 煤层 | coal block 煤柱 | coal briquette 煤砖

chain pillar：巷道煤柱

chain link 链节 | chain pillar 巷道煤柱 | chain pin 锁环销

heading chain pillar：巷道煤柱

heading blast 阶段爆破;超前工祖爆破;硐室爆破 | heading chain pillar 巷道煤柱 | heading charge 硐室装药