coal floor

用法例句

Numerical analysis of breaking depth of coal floor caused by mining pressure;

矿山压力对煤层底板破坏深度的数值分析

Forecast of water inrush from coal floor based on least square support vector machine;

基于最小二乘支持向量机的煤层底板突水量预测

Combined ANN forecast of water-inrush from coal floor;

煤层底板突水组合人工神经网络预测

Application of similar material simulation in research of coal seam floor failure regularity;

相似材料模拟在研究煤层底板采动破坏规律中的应用

Research of No.9 coal seam floor's fracture regularityin Xiandewang Coal Mine;

显德汪煤矿9号煤层底板破坏规律的研究

Study of hydrochemical characteristics in Karst water of coal seam floor in the Mining District of North Anhui;

皖北矿区煤层底板岩溶水水化学特征研究

Environment isotope determination mode for Karst water under seam floor of Wanbei Mining Area;

皖北矿区煤层底板岩溶水环境同位素判别模式

Numerical simulation of water inrush law in coal seam floor with cracks and its application to engineering practice;

含裂隙煤层底板突水规律的数值模拟与工程应用

Research on mining failure features of seam floor;

煤层底板采动破坏特征研究

72 coal seam roof and floor sandstone fissure aquifer and Taiyuan Formation limestone karstic fissure aquifer inflows.

梁花园矿井为筹建中煤矿,为了给矿井排水系统的设计、施工和煤炭开采提供可靠的依据,采用地下水动力学公式估算法和水文地质比拟法两种方法,估算出新生界松散层第三含水层(底含)涌水量、主采72煤层顶底板砂岩裂隙含水层涌水量和太灰岩溶裂隙含水层涌水量。

Put focal point on coal seam roof and floor engineering geological characters.

简述了井田基本地质特征;利用地质报告资料对本区的工程地质特征进行了分析,确定本区的工程地质问题复杂程度为中等,将区内煤系地层划分为8个工程地质岩组;重点阐述了煤层顶底板工程地质特性;指出了煤矿开采过程中可能发生的工程地质问题和主要环境地质问题;对区内可能发生的不良地质现象提出了治理建议。

ANALYSIS ON THE INFLUENCE OF FAULT STRUCTURE TO WATER-INRUSH FROM COAL FLOOR

断层构造对煤层底板突水的影响分析

The grouting reconstruction technique of lower confining bed can be used to control the water hazard from coal floor.

煤层底板含水层注浆改造技术可以彻底根治底板水害。

Combined ANN forecast of water-inrush from coal floor

煤层底板突水组合人工神经网络预测

Study of Drainage for Limestone Water of Coal Floor Based on Visual Modflow

基于Visual Modflow煤层底板灰岩水疏放性研究

Study of Protection Technology Floor Water in Invasion in Zhu Zhang Mine of the No.6 Coal Seam;

朱庄煤矿六煤层底板突水防治技术的研究

Study of Water-Inrush Mechanism and Prediction of Coalbed Floor in Pan-xi Coalmine;

潘西煤矿煤层底板突水机理及预测预报研究

Evaluation and Prevention Proposals of Water Inrush from Seam Floor in Wuyang Coal Mine

五阳煤矿煤层底板突水评价及防治技术

Analysis on permeability of key water isolated stratum under seam floor and under stress function

应力作用下煤层底板关键隔水层渗透性分析

NUMERICAL ANALYSIS OF PATHWAY FORMATION OF GROUNDWATER INRUSH FROM FAULTS IN COAL SEAM FLOOR

含断层煤层底板突水通道形成过程的仿真分析

Many actors have influence on water inrush from the floor, of them the geological conditions of the floor are the most important.

底板突水与否取决于多方面影响,其中最重要的是煤层底板条件。

The new technology application of consolidation coal bed floor by grouting in Cambrian period limestone

寒武系灰岩注浆加固煤层底板新技术应用

Prediction Method Study on Water Inrush Through Coal Floor Based on Support Vector Machines;

基于支持向量机的煤层底板突水预测方法研究

The Influence of Coal Seam Floor's Rockmass Structure on Mining Effect;

煤层底板岩体结构对采动效应的影响研究

Numerical Simulation Test & Engineering Application of Water Inrush from Coal Seam Floor;

煤层底板突水的数值模拟试验及其工程应用

Research and Development of Forecast System for Water Inrush from Mine Coal Bed Floor Based on GIS

基于GIS的矿井煤层底板突水预测系统研发

Comprehensive Assessment Method of Water Invasion Susceptibility from Coal Seam Floor Based on GIS Technology

基于GIS的煤层底板灰岩水突出危险性综合评价

Water Prevention and Control Technology of Seam Mining Under Thin Floor Condition

薄层底板条件下煤层开采防治水技术

A consolidating technology of pouring starch into bottom board to cut off water in coal pitJiaozuo coal industry group Fang-Zhuang coal mine;

井下煤层隔水底板注浆堵水加固技术