Tunnel roof

Application study on the methane drainage frommined area by a top heading;

顶板巷道抽放采空区瓦斯的应用研究

The authors have discussed on the causal analysis of various roadway roof accidents and posed some prevention measures to reduce roadway roof accidents.

本文通过研究讨论不同类型巷道顶板事故的原因分析,有针对性地提出了减少巷道顶板事故的防治措施。

Discussion on mechanism of tunnel roof collapse in Wang-Er-Shan Gold Mine;

望儿山金矿巷道顶板冒落的机理初探

EStrengthen the management of roadway roof to reduce the roof accident

加强巷道顶板管理 减少顶板事故发生

Prediction of Outburst in Fully Mechanized Coal Face by the Method of Roof Dynamics in a Road way

用巷道顶板动态法预测综采面突出危险性

Study on the Stability Classification of Entry Roof and the Support Principle of the Bolting Structure;

巷道顶板稳定性分类及锚固支护机理研究

Study on Roof Separation and Support Technology of Mining Roadways in Deep Mine;

深井回采巷道顶板离层与支护技术研究

Analysis of Roof Caving Instability Mechanism of Large-Section Roadway Under Complex Conditions

复杂条件下大断面巷道顶板冒落失稳分析

Software development for bolting roadway roof separation monitoring system

锚杆支护巷道顶板离层监测系统软件的开发

Very Thick Coal Roadway Roof Analysis and Design Support System

极厚煤层巷道顶板分析及支护方案设计研究

Discussin on Bolt and Cable Supporting Technique of the Comples Roof

复合顶板巷道锚杆锚索支护技术探讨

Practice of the Timbering of Composite Top - Tray Drift Anchored Cable Ret Cord

复合顶板沿空巷道锚梁网索支护实践

Study on the affection of roof crevice water to the stability of mining roadways supported by cable bolts

顶板裂隙水对锚索支护巷道稳定性的影响研究

The Supporting Study of Soft-Rock Composite Roof of Stoping Tunnel in Saqu Coal Mine;

沙曲矿回采巷道软岩复合顶板支护研究

Study on the Surrounding Rock Stability and Safety Control of Roadways Roof Embedded Weak Intercalated Seam;

软弱夹层顶板巷道围岩稳定与安全控制研究

On soft interlayer affecting roadway stabilization in roof

顶板中软弱夹层对巷道稳定性影响研究

Study on rational horizon of roadway under compound roof

复合顶板条件下巷道合理层位模拟与应用

Application on Bolting Support in Soft Compound Roof Tunnel

锚杆支护在松软复合顶板巷道中的应用

Bolting Feasibility Analysis of compound roof entry in WuFeng coal mine

五凤煤矿复合顶板巷道锚杆支护可行性分析

Failure Mechanism and Supporting Technique in Compound Roof Entry

复合顶板巷道破坏机理及支护技术研究

Pre-stressed Bolt Anchor-truss Support Technology in Composite Roof Roadway

复合顶板巷道预应力锚杆锚索桁架支护技术