goaf degasification

用法例句

Simulation on spontaneous fire source distribution in goaf with multi air leakage channels;

多漏风通道采空区自燃火源分布模拟

Technology of surface boreholes for drainage of goaf gases and application in Tiefa Mining area;

铁法矿区地面钻孔抽放采空区瓦斯技术及应用

Fuzzy comprehensive evaluation on the spontaneous combustion in goaf and its application;

模糊综合评价对采空区自然发火的评价及应用

Research on prospecting effect for gob area of coal mines;

煤矿采空区探测效果研究

Congregation analysis of coalbed methane in gob area based on GIS;

基于GIS的采空区煤层气聚集分析

Analysis of the effect by using TEM detecting water filled gob area in No.2 Mine,Yangquan Mine Group;

瞬变电磁法在阳泉二矿探测积水采空区效果分析

Numerical simulation method for mined-out area group stability based on Cavity Monitoring System;

基于CMS实测的采空区群稳定性数值模拟方法

Practice of ventilation with underground mined-out area;

利用井下采空区通风的实践

Experimental study on strength characteristics of tailings cement backfilling at deep-seated mined-out area;

深部采空区尾砂胶结充填体强度特性试验研究

Technology for mine water disaster prevention and control with mine old goaf;

利用老采空区防治矿井水害的工程技术

Filling old shallow goaf by grouting is an effective way to assure the stability of foundation of buildings above the old goaf.

浅部老采空区注浆充填是保证老采空区建筑物地基稳定的有效措施,在确定充填治理范围时,目前大多采用正在开采的地表移动角确定注浆充填范围,这将导致充填范围过大,造成不必要的浪费,为此,基于国内开采沉陷资料,首先建立了正在开采的地表移动角与深厚比的关系,然后在分析老采空区变形机理基础上,提出了残余移动角的思想,根据残余移动与正在开采的地表移动相似性,建立了残余移动角与老采空区开采深度、等效开采厚度之间的关系,给出了老采空区充填注浆范围的确定方法,为老采空区充填治理范围的确定,提供了可靠的理论和方法。

Research on Reliability of Mining Near Subsided Cavity

塌陷采空区近区安全开采可靠性研究

Study on the Gas Migration in the Goaf Filling of Full-mechanized Mining Working Face

综采工作面充填开采采空区瓦斯运移研究

The Applied Research of Gas Drainage Technology in the Goaf of Full-Mechanized Mining Working Face

综采工作面采空区瓦斯抽采技术的应用研究

Collapse Stope Disposing and Mining Practice of Impaired Mined-out Area Residual Mining

塌陷采场处理及采空区破坏残矿开采实践

The Study on Risk Assessment of Goaf Ground Collapse Disaster in Cheng-he Mining Area

澄合矿区采空区地面塌陷危险性评价

Distribution characteristic of remaining coal oxygen consumption and spontaneous combustion heating-up in goaf

自燃采空区耗氧-升温的区域分布特征

The Technology and Practice of the Safe Pillar Stoping in the Mined Area of Shizishan Copper Mine

狮子山铜矿采空区矿柱安全回采技术与实践

Adopt Coal Work Faces to Adopt Empty Area Gas Public Need Advertent and a Few Problems

采煤工作面采空区瓦斯民用需注意的几个问题

Study of the Influence on Underground Mining during Stacking the Gangue in Open Pit;

露天采空区排尾对地下开采影响的研究

Study of the Numerical Simulation of the Fire Extinguishing and Prevention with Liquefaction Nitrogen in the Goaf Using Comprehensive Mechanized Caving Method;

综放开采采空区液氮降温防灭火数值模拟研究

The Law and Application of the Gas Migration in the Goaf of Full-mechanized Mining Working Face;

综采工作面采空区瓦斯运移规律及其应用

Study on the Technique of Gas Drainage Along the Striking in Steep Seam Gob;

急倾斜煤层采空区瓦斯抽采技术的研究

Computer Simulation of Spontaneous Combustion Process in Goaf of First Fully-Mechanized Mining Face of Dingji Coal Mine;

丁集首采面采空区遗煤自燃动态数值模拟

Study on Spontaneous Combustion Risk of Mining Coal Seam Gob in DuErPing Coalmine

杜儿坪煤矿主采煤层采空区自燃危险性研究

Prevention and Control of Roof Disasters in Staggered Mining under the Goaf Ultra-close to Seam Being Mined

极近距离采空区下交错开采顶板灾害防治

Numerical simulation of gas migration in goaf in extracting stage

回采过程中采空区瓦斯运移数值模拟研究

Study on Air Leakage Law of Goaf in High Gassy Fully Mechanized Coal Mining Face with Y Type Ventilation

高瓦斯综采面Y型通风采空区漏风规律研究

Study on the Damage patterns and Mechanism of Mined-out Area in Mines using Room-and-Pillar Mining Method

房柱法开采矿山采空区失稳模式及机理