煤层顶板

煤层顶板离层水体分布规律及防治技术探讨

Distribution Rule and Control Techniques over Bed Separation Water in Coal Seam Roof

煤层顶板破坏与突水实例研究

A Case Study of Rock Failure and Water Inrush from the Coal Seam Roof

计算了煤层顶板围岩对煤层瓦斯赋存的最佳有效影响厚度为20m。

The best influence thickness of roof rock to gas preservation is 20m .

采用SEM，偏光显微镜和热分析仪等方法研究了鹤壁煤层顶板砂岩在常温至1200℃高温条件下微观结构的变化。

The microstructure variety of coal roof sandstone produced from Hebi mining area under the room temperature to 1 200 ℃ high temperature has been studied by SEM , polarizing microscope , TG and DTA .

煤层顶板稳定性相关因素分析与综合评价

Analysis and comprehensive evaluation on stability related factors of seam roof

急斜煤层顶板岩墙的破断规律及矿压显现

Breaking regularity of ROOF-ROCKWALL and rock pressure manifestation in steep seam

神府浅埋煤层顶板破断运动规律

Law of roof breaking movement of shallow seams in Shenfu CMA

煤层顶板应力的一种理论计算方法

An theoretic method to calculate roof stress of coal floor

厚风积沙浅埋煤层顶板灾害研究

Study on hazards of roof in the shallow seam under thick sand

淮南煤田13-1煤层顶板地质特征与稳定性研究

The roof geological features and stability of coal-bed No.13-1 in Huainan coal-field

煤层顶板砂岩在高温下的力学特性及破坏机理

Mechanical Characteristics and Cracking Mechanism of Coal Roof Sandstone under High Temperature

煤层顶板走向钻孔（巷道）瓦斯抽放技术的应用

Application of Gas Drainage Techniques in Bore-holes & Roadway along Roof Strike

开采煤层顶板抽放瓦斯流场分析

Analysis of Flow Field of Gas Drained from Roof of Working Seams

煤层顶板工程地质分类方案初步研究

The plan of engineering geology classification of coal seam top

煤田地质勘探阶段煤层顶板稳定性评价方法

Evaluations method for coal seam - roof stability in geological survey stage

坚硬煤层顶板段初次放顶分析

Analysis of the First Caving of Roof Sections in Hard Coal Layers

物元模型在煤层顶板稳定性评价与预测中的应用

Application of Matter-Element Model in Evaluation and Prediction of Seam Roof Stability

煤层顶板稳定性模糊综合评判和预测

Fuzzy Comprehensive Evaluation and Prediction of Coal Seam-roof Stability Based

煤层顶板稳定性预测构造解析法研究与应用

Research on the tectonic synthesis method of prediction roof stability and its application

评价煤层顶板涌（突）水条件的三图-双预测法

Three maps two predictions method to evaluate water bursting coditions on roof coal

煤层顶板岩层富水性分区指标及其涌水量预测

Zoning Index of Rich Water-bearing Roof Strata and Water Inrush Forecasting in Coal Seams

基于遗传-支持向量机法的煤层顶板导水断裂带高度的分析

Analysis the height of water conducted zone of coal seam roof based on GA-SVR

邻近煤层顶板瓦斯抽放系统工艺的优化设计

To Optimization Design Taked Gas out System and Technique for Close to Seam Roof

三软煤层顶板工程地质分类及变形机制

Analysis on deformation failure mechanism and engineering geological classification for roof in weak roadways

浅埋薄基岩煤层顶板破断及控制

Breakage of coal seam roof in shallow and thin basement rock and its control

介绍了应用地震属性技术预测煤层顶板岩性的方法。

The application of seismic attribute technology to predict coal roof lithologic character was introduced .

嵩山井田滑动构造对二1煤层顶板岩体分带性的影响

Impact of Sliding Structure on ⅱ 1 Coal Roof Engineering Geological Zonality in Songshan Minefield

急倾斜厚煤层顶板运动规律与柔性掩护支架受力分析

Roof moving regulation of steeply pitching thick coal seam and mechanics analysis of flexible type shield

锚索支护在煤层顶板和破碎岩石顶板条件下的应用

Applying of Anchor Wire Support under the Conditions of Coal Seam Roof and Broken Rock Roof

淮南矿区开采煤层顶板抽放瓦斯技术的研究影响采空区顶板抽放瓦斯效果的主要因素分析

Study on the technique of roof gas drainage from mine coal seam in Huainan mine area