矿柱

岩石材料的泊松效应，是矿柱强度σp与宽高比w/h成正相关的主要原因。

The Poisson 's effect of rock materials is the main reason why the pillar strength σ _P is positively correlated to the width-to-height ratio w / h of pillars .

为了评价其稳定性，应用三维ANSYS程序模拟了采空区的形成过程，并应用先进的矿柱强度理论校核了ANSYS分析结果。

For evaluating the stability of the mined-out area , the forming process of the mined-out area was simulation with 3d-ANSYS software , and the analyzed results were checked according to the advanced theory of ore pillar strength .

应用三维ANSYS有限元程序研究了切顶与矿柱崩落前后顶板的应力分布状态和岩体移动情况。

Roof stress-distribution and surface subsidence rock movement are studied respectively by 3D FEM code ANSYS before and after ore pillar dilapidation and roof cutting .

在委内瑞拉，Avicennianitida用作矿柱、电话线杆和输电线杆。

In Venezuela Avicennia nitida is used as mining props , telegraph and transmission poles .

处于弹塑性阶段的超高矿柱，由于初始挠度的存在，其极限承载能力降低，且随着初始挠度f0的增加而减少。

And that the ultimate load of ultrahigh pillar decreases with the increase of initial deflection imperfections factor f0 at elastoplastic stage .

本文运用不连续位移法及其计算机程序，对VCR法采场（矿房和矿柱）周围应力分布及其稳定性进行了分析研究。

In this paper , stress distribution around , and stability of VCR stopes ( rooms and pillars ) are discussed using displacement discontinuity method and its computer programme .

GSI在节理化岩体力学参数评价中的应用&以金川二矿区水平矿柱为例

Application of GSI in Evaluating the Mechanical Parameters of Jointed Rock Mass & A case study of horizontal ore pillar in No.2 Mine Section of Jinchuan

此外，还模拟了在采场中部，预留20m厚的临时矿柱的情况下，矿柱顶板受力情况。

Moreover , the stress in the pillar and roof is simulated in the situation where the temporary pillar of 20 m thick was reserved in the stope ⅱ and stope ⅲ .

采用有限差程序FLAC3D对天马山黄金矿残留矿柱进行回采模拟，对矿柱进行不断的模拟开挖，直至顶板岩层发生破坏。

The finite difference procedure FLAC3D was adopted to simulate the recovery of the residual pillars in Tianmashan gold mine till the destruction of the roof strata .

以培育干材和小径级矿柱材等工业用材为目的，对刺槐萌生林实施8～13a短轮伐期作业法，从经济效果最佳角度考虑是比较合理的。

And the rotation age at the 8th to 13th years was reasonable for coppice forest management of black locust .

基于定态曲面方程和分支曲线方程，分别求得矿柱应力强度比Fq和临界破坏宽度rp1.研究表明：当Fq1或rpzrp1时，矿柱会发生失稳；

According to the function of stationary curved surface and branch curve , the stress strength ratio F_q and critical breakage width r_ ( p1 ) can be obtained , respectively .

利用东北大学岩石破裂过程分析系统（RFPA2D），研究了围压卸荷对矿柱破坏模式的影响。

The influence of unloading confining-pressure on the failure Modes of Pillar was researched using Rock Failure Process Analysis ( RFPA2D ) developed by Northeastern University .

该方案的采场结构参数为：沿矿柱高度1/3H以下，留2m的矿壁作为保护层厚度，1/3H以上留1m矿壁，矿壁形态呈阶梯型。

The program stope structure parameters as follows : along the ore column height 1 / 3H below two meters of mine left wall as a protective layer thickness , 1 / 3H stay for more than one meter ore wall , the mine was ladder-type wall morphology .

会东铅锌矿边坡矿柱开采方法

A mining method for pillars of slope in Huidong lead-zinc mine

大直径深孔爆破技术在矿柱回采中的实践与应用

Application and practice of large diameter deep-hole blasting technology in pillaring

在长壁式崩落法中用液压支柱护顶回采水平矿柱

Mining horizontal pillars with hydraulic roof propping in longwall caving method

分段凿岩阶段矿房法的矿柱回收及放矿管理

Pillar Recover of Sublevel Drilling Stage Room Stoping and Draw Managing

锡矿山南炼厂保安矿柱342巷道爆破参数探讨

Discussion on Blasting Parameters of No. 342 Laneway of Safety Pillar

安庆铜矿高阶段矿柱回采的充填体稳定性研究

Study on stability of backfill body during high level pillar recovering

复杂条件下矿柱回采的相似材料模型试验

Experimental Research on Similarity Model for Ore-Pillar Recovery Under Complex Conditions

不留矿柱分段矿房法开采破碎带薄矿体的探讨

Study on non-pillar sublevel stoping of narrow vein in fracture zone

计算矿柱安全系数的新方法

A new method for calculation of Safety factor of ore pillars

屈服矿柱渐进破坏及应力分布数值模拟

Numerical simulation of progressive failure and stress distribution of yield pillars

保安矿柱回采地压监测数据分析

The monitoring data analysis of geopressure during stoping of protecting pillar

非对称开采时矿柱岩爆的准则与前兆

Criterions and forewarning of ore pillar rock bursts in asymmetric mining

计算分析结果表明保安矿柱的开采是完全可行的。

The analysis has shown that the extraction was fully feasible .

平果铝土矿开拓公路矿柱的回收

Recovery of Ore Pillar during Road Developement in Pingguo Bauxite Mine

围压卸荷对矿柱破坏模式影响分析

Analyses on Influence of Unloading Confining-Pressure on Failure Modes of Pillar

基于模糊综合评判法的矿柱回采方案优选

Optimize of Ore Pillar Mining Methods Based on Fuzzy Synthetical Judgment

通过对某矿山矿柱强度分析，证实了模糊强度理论在这一领域中应用的合理性。

Analysis of strength theory is rational in application in this field .