顶柱

同时作为一种新的尝试，笔者还将国内外成熟的VCR法技术应用于露天处理地下空区，并通过大量岩石力学资料论证确定了安全顶柱的厚度。

In the same time , as a new try , the VCR method which has been used successfully abroad is used in goaf treatment in surface , and the safety thickness of cap pillar is definited through the analysis of large quantity of rock mechanics information .

不同采矿方案顶柱围岩三维稳定性分析

Three-dimensional Stability Analysis on Pillar Wall Rocks for Different Mining Scheme

建筑用活顶柱有限元分析和稳定计算方法

Finite Element Analysis and Stability Calculation Study in Architectural Shoring Props

进路法回采顶柱人工假顶的稳定性分析

Stability Analysis of the Artificial Roof in Drift Stoping of Crown Pillar

顶柱岩体失稳的临界突变分析

Critical Mutation Analysis Of Rock Mass Failure In Top pillar

露天转地下开采中顶柱稳定性分析

Analysis on Stability of Top Pillar When Coming into Underground Mining from Open-Pit

下向扇形孔回采顶柱的实践

Practice of Crown Pillar Mining with Down Fan-pattern Holes

境界顶柱稳定性的数值模拟研究

Numerical Simulation of the Stability of Boundary Pillar

文中较详细地介绍了该顶柱回采的爆破设计。

The paper introduced the blasting design for recovery of the crown pillar in detail .

进路法回采顶柱其顶板安全厚度的数值分析方法

Numerical Analysis on Safety Thickness of A Roof for Top Pillar Recovery in Drift Mining

矿山露天转井下境界顶柱的数值模拟优化方法

Evolution numerical simulation method for optimizing boundary roof pillar in transition from open-pit mining to underground mining

根据失稳条件确定了顶柱的临界安全厚度。

The critical safety thickness of the top pillar has been confirmed according to the instability condition .

采场的开挖采动对顶柱影响不大，顶柱破坏不严重。

Besides , stope excavation has little effect on top-pillar , and its damage is not serious .

露天转井下开采境界顶柱参数三维有限元分析

Three Dimensional Finite Element Analysis of Parameters of Boundary Crown Pillar in Transition from Open-pit to Underground Mining

分析了动荷载振幅、频率对顶柱临界安全厚度的影响。

The influence of amplitude , frequency of dynamic loading on critical safety thickness of top pillar has been analyzed .

在分析采矿优化设计的数值模拟方法基础上，介绍了基于有限元法的露天转井下境界顶柱优化的一般步骤；

After the introduction of the numerical simulation method , the general steps are given of the optimization of the boundary pillar by FEM ;

采空区地表建筑地基稳定性模糊综合评价方法建筑用活顶柱有限元分析和稳定计算方法

Fuzzy comprehensive evaluation method of the foundation stability of new-buildings above worked-out areas Finite Element Analysis and Stability Calculation Study in Architectural Shoring Props

矿山可根据沿走向不同剖面上围岩条件确定不同的顶柱厚度的采矿方案。

Mine can determine the mining program with different pillar 's thickness based on conditions of top wall rocks for different section along the strike .

以厂坝铅锌矿为例，计算了爆破震动作用下采场与下方采空区间顶柱的临界安全厚度。

Taking the Changba Lead-zinc Mine for example , the critical safety thickness of the top pillar between stope and mined-out area below under blasting vibration loadings is confirmed .

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。

The stability of boundary pillar , which can often be come across in mine shifting from open-pit to underground mining , is very important for safe production of underground mine .

根据上下交叠型地下硐室群的主要特征，将硐室间的顶柱简化为两端固定梁力学模型，把动荷载简化为谐波。

According to the main characters of overlap underground chambers , the top pillar between two adjacent underground chambers is simplified to the beam fixed at both ends , and dynamic loading is simplified to harmonic wave .

考虑梁的自重，建立了动荷载诱发上下交叠型地下硐室间顶柱失稳的双尖点突变模型，导出了其失稳条件。

The catastrophic model of double cusp for instability of the top pillar between overlap underground chambers induced by dynamic loading has been established considering deadweight of the beam , and its condition of instability has been worked out .

用YSS声发射仪对采场四周的顶底柱进行声发射监测。

The acoustic emission monitoring of the roof and floor pillars surrounding the stopes was done with YSS acoustic emis-sion meter .

顶底柱分区进路式采矿法试验研究

Zonal drifted method for the residual mining of roof and bottom pillars

他是这个家的顶粱柱。

He is a very uppermost person in our family .

新城金矿顶底柱开采稳定性研究

Research on stability of the roof and bottom pillar in Xincheng Gold Mine

沈阳老站圆形大厅托顶换柱改造

The Supporting-roof and Replacing-column Rebuilding Project of Circle Hall of Old Shenyang Railway Station

关于水平分层充填采矿法的底部结构、顶底柱回采和中段高度等问题的探讨

On bottom structure , CROWN-AND-FLOOR pillar extraction and level height in horizontal cut-and-fill mining

中深孔超前切顶房柱法在缓倾斜中厚矿体中的应用

Application of middle-lengthened hole rom-and-pillar mining with advanced overcut in gentle dip mid-thick orebody

灵湖金矿采用沿倾斜后退式回采锚杆护顶房柱法方案，解决了难采矿体的开采问题，取得了显著的经济效益和社会效益。

Linghu Gold Mine has successfully used " retreating room-and-pillar method along the dip with roof bolt " in its trouble orebodies and achieved notable social and economic benefits .