safe coal pillar

用法例句

Study on safe coal pillar design and sub-grade stability of freeway in unexploited coal zone;

高速公路压煤区安全煤柱留设及其对路基稳定性的影响

On this basis,the height of "two zones"and the reasonable size of safety pillars were predicted.

在此基础上,预计了"两带"高度,探讨了安全煤岩柱合理尺寸,使开采上限提高了30 m煤柱,解放呆滞煤量73。

Determination of waterproof rock pillar height with the top coal caving under sea

海下综放开采防水安全煤岩柱厚度的确定

The cause of house crack determined by security coal pillar of village.

房屋裂缝是否由煤矿采煤引起,主要是看采空区是否进入村庄保安煤柱。

Research about coal mine security management based on spatial data mining;

基于空间数据挖掘的煤矿安全管理的研究

This article analyzed the reasons for the frequency coal mine security accidents from objective and subjective separately in view of coal mine security situation in China,and proposed the countermeasures.

本文针对我国煤矿安全生产形势,分别从客观和主观两方面详细地剖析了煤矿安全事故频发的原因,并提出了对策,研究结果对煤矿安全生产具有一定的指导意义。

In this paper, consistency between the model of coal mine security and the model of fuzzy control is analyzed under the consistence of data input and data output.

在有输入和输出数据的前提下,分析了煤矿安全的模型与模糊控制模型的一致性;介绍了煤矿安全评价中检查表法的基本概念及其在本次工作中的作用。

Determination of waterproof rock pillar height with the top coal caving under sea

海下综放开采防水安全煤岩柱厚度的确定

Calculation and evaluation on the safe width of fault waterpro of coal (rock) pillar

断层防水煤(岩)柱安全宽度的计算与评价

Research of Security Mining Technology for Coal-Pillar Below Railway Bridge;

铁路桥下工业煤柱安全开采技术研究

The Main Problems Affecting Mine safety and Production in Coal Mine

煤矿安全生产中的几个岩石力学问题

Study on Safe Mining of Island Coal and Roadway Maintenance Technology;

孤岛煤柱安全开采及巷道维护技术研究

Research on Safety Effect of Limestone Water on Mining of Lower Seam Cluster in Liyan Coal Mine;

里彦矿灰岩水对下组煤安全开采影响的研究

Research of Security Eeploiting Technology for Coal Below Corrosion Moisture Rock;

溶蚀含水岩层下煤炭安全开采技术研究

Basic Research on Control of Surrounding Rock in Big Section Safety Mining in Steep Seams;

急斜煤层大段高安全开采围岩控制基础研究

The Surface Subsidence Observation Analysis and Research of Safely Underwater Mining

水体下安全采煤的地表岩移观测分析研究

SUBSIDED COLUMN OF KARST IN SIIENNANCOAL-FIELD AMD ITS WATER FLOWING CHARACTERISTICS

沈南煤田岩溶陷落柱及其导水性特点

Study on Reasonable Width of Coal and Rock Pillar under Thick Aquiferous Loose Bed;

厚含水松散层下煤岩柱合理留设研究

Study on the Stability of Rock Surrounding Gateway with Different Coal-pillar Widths

煤柱宽度对巷道围岩稳定性影响分析

Stability Analysis of Rock Pillar in the Uncovering Coal Process of Highway Tunnel Though Coal Seam

公路穿煤隧道揭煤施工过程中岩柱稳定性分析

Study on Influence of Limestone Water of TaiyuanGroup on Safety Mining No.10 Coal Seam and Determination of Water Bursting Sources in Liudian Coal Mine;

刘店煤矿太原组灰岩水对10煤层安全开采的影响及突水水源判别研究

Study on Influence of Limestone Water of Taiyuan Group on Safety Mining No.10 Coal Seam and Determination of Water Bursting Sources in Yangliu Coal Mine

杨柳煤矿太原组灰岩水对10煤层安全开采的影响及突水水源判别研究

Characteristics of Coal Pillar's Concentrated Load and Its Influence on Surrounding Rock Stress of Roadway

煤柱集中载荷特征及其对巷道围岩应力的影响

Concentrate loading of pillar and its effect on the tunnel surrounding rock stress of differ location

煤柱集中载荷对不同错距巷道围岩应力的影响

Study on Extraction Security of No.3 Coal Seam in West Wing of Baoan Coalmine

保安煤矿西翼3煤层开采安全性研究