顶板

基于GIS复合分析的煤矿顶板水害预测研究

Investigation on Predicting Roof Water Gush in Coal Mines Based on Multi-Factor Analysis

同时，通过邻城相互作用算法与BP网络耦合，预报了采煤工作面顶板来压。

The second aspect is the prediction of the likely future weighting of main roof through hybrid algorithms of the neighbourhood interaction operation and the neural networks .

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 .

改进的Theis井流模型及其解析解&考虑含水层顶板的挠曲作用

Analysis of Modified Theis Model on Well Flow : Considering Bending of the Confining Stratum

其中影响煤矿安全生产的因素非常复杂，主要有瓦斯浓度、顶板压力、CO浓度、甲烷浓度、温度等自然灾害因素。

The factors which could influence the colliery producing safely was very complex , the natural disaster is the main factors such as gas concentration , the coping pressure , carbon monoxide concentration , firedamp concentration , temperatures and so on .

叙述了杏花矿应用RS混合型锚杆支护技术管理顶板的方法及RS混合型锚杆的结构、性能和特点，分析了RS混合型锚杆的锚固机理和支护机理。

This paper discusses the methods of controlling roof and structure , properties and characteristics of RS bolt using RS bolt support technique at Xinghua Coal Mine . Anchor and support mechanism of RS bolt are analyzed .

研究结果表明，波形钢腹板PC组合箱梁的混凝土顶板和底板主要承担弯矩，波形钢腹板则主要承担剪力。试验结果为实桥的设计和建造提供了重要的资料。

The results of test study indicate that the concrete top and bottom slabs of the girder mainly withstand bending moment while the corrugated steel webs withstand shear force , and the results also provide important data for the design and construction of actual bridges of similar kind .

结果表明，两种不同试验模拟手段得到了相近的结果，初次来压步距20m左右，周期来压步距在10~15m之间，并且与实际工作面顶板的垮落形态相吻合。

Both the numerical simulation and the similar material simulation indicate that the first weighting step distance is 20 m and periodic weighting step distance is 10 ~ 15 m , which is also similar to the actual roof collapse rule .

分析探讨了顶板破断岩块运动、底板破坏滑移以及主要回采工序对支架或支护系统工作阻力和“R-S-F”（顶板-支架-底板）系统动态稳定性的影响；

At the same time , the paper probes into the influence of roof fracture blocks moving , floor fracture blocks sliding and main procedures on the working resistance of supports or support system and dynamic stability of system " R-S-F " .

X1-107工作面风巷、机巷顶板及两帮采用高强度螺纹钢锚杆支护、并对顶板采用小孔径预应力锚索加强支护，有效地保持了围岩稳定。

The air roadway and conveyor roadway of X1-107 mining face are supported by high strength thread steel bolt and enhanced with small diameter prestressed anchor cable on the roof , which has maintain the stability of the surrounding rock effectively .

初次断裂前矩形顶板的差分解

Difference analysis of the rectangle flat roof before the first falling

冷却顶板-置换通风空调系统分析

The Analysis on Cooled Ceiling and Displacement Ventilation Air Condition System

顶板岩层三带划分的综合分析法

Comprehensive Analysis Method of Three Zone Classification on Mine Roof Strata

采场支撑顶板关键层理论的研究

Study on the Key Bed Theory of Roof Supporting in Stope

断层对顶板稳定性影响相似模拟试验研究

Influence of faults on coal roof stability by physical modeling study

岩溶洞穴工程地质条件与顶板稳定性评价

Evaluation on Roof Stability and Engineering Geology Condition of Karst Cave

采空区煤柱-顶板系统失稳的力学分析

The analysis of instability of coal pillar & stiff roof system

崩落法开采时复杂顶板的崩落过程分析

Analysis of Complex Roof Caving Process in Mining by Caving Method

特殊顶板条件下薄煤层工作面支护技术

Support Technology Used in Thin Seam Face at Special Roof Condition

层状结构顶板破坏机理及其规律研究

The Study on the Destructive Mechanism and Law of Stratified Roof

无胶结人工顶板条件下顶板控制技术研究

Research on roof control technology under non binding artificial roof condition

回采工作面顶板事故的力学原理及防治

Mechanics Principle and Precautionary Measures of Roof Accident of Stoping Workings

定向水力致裂坚硬顶板的现场试验研究

Study on site test of directional hydraulic fracturing of hard roof

基于MATLAB/VC的回采工作面顶板管理系统研究

The Working-face Roof Management System Research Based on MATLAB / VC

复合顶板托伪顶走向长壁采煤法

Longwall mining of compound roof in the section of false roof

稳定顶板倒梯形煤巷优化设计重载梯形摩擦离合器

Optimization design about roadway of inverse trapezium cross-section under stable roof

离散元在顶板稳定性分析中的应用

Using of Discrete element method in stability analysis of a roof

回采巷道锚杆支护顶板稳定性分析

Stability analysis of the roof of extraction opening supported with bolts

锚杆支护巷道顶板稳定性潜力分析及应用

Analysis of Roof Stability Potential of Bolted Roadways and Its Application

规范小煤矿开采方法防止大面积顶板事故

Regulating small coal mine mining method and preventing large area roof accident