roofing是什么意思

网络释义

用法例句

Prevention and handling of tunnel fall of ground and coal spontaneous ignition;

巷道冒顶煤炭自燃发火的预防和处理

The deformation mechanism of surrounding rock is analyzed by the energy principle,and the mechanical model of roadway roof coal is established.

根据砌体梁理论 ,老顶以给定变形方式作用于综放沿空巷道围岩 ,应用能量原理分析了巷道围岩的变形机理 ,建立了巷道顶煤的力学模型 ,运用变分法对老顶给定变形下顶煤的变形进行了初步求解 ,并对顶煤下沉量与支护阻力、煤体弹性模量、巷道宽度的关系进行了探讨。

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

This paper researched soft top coal drift stable control technology at the effect of supporting strain.

研究了在采动支承应力作用下松软顶煤巷道的稳定控制技术,以山西兰花集团大阳煤矿3100孤岛面的回风巷为研究对象,应用高水速凝材料对松软顶煤预注浆、对巷道两帮煤体滞后注浆,锚杆、锚索联合支护的方式有效控制了松软顶煤动压巷道围岩变形。

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

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 Gateway Top Caving Technology for Steep-inclined Coal Seam

急倾斜煤层巷道放顶煤回采工艺研究

To Open Up the Cave Tunnel Boring Cause of the Accident Analysis and Prevention and Control Measures

掘进巷道冒顶事故的原因及防治措施

"a roofed passageway or lane, especially one with shops on either side."

有屋顶的通道或小巷,尤指两边有商店时。

Common Methods for the Treatment of Roof Collapse of Drift in Jinchuan Mining Area and Evaluation

金川矿区巷道冒顶处理的常用方法及评价

Research on Comprehensive Control Technique for Heavy Roof Fall in Weak Mudstone Drift

松软泥岩巷道大冒顶综合治理技术的研究

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