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。
Study on spontaneous combustion in Gob of fully mechanized mining with top coal caving face;
综放面采空区遗煤自然发火特性研究
Simulation of earthquake action to gob collapse with UDEC;
地震作用对采空区塌陷的UDEC模拟
Technique on pressure releasing gas drainage near gob in xiayukou mine;
下峪口矿邻近采空区卸压瓦斯抽放技术
On the basis of investigation for the accumulated water in goaf areas in the Tongxin mine field,occurrence of the accumulated water in goaf areas is examined in this paper.
本文依据井田范围内采空积水调查资料,探讨了采空积水的贮存分布规律,并采用冒落带及导水裂隙带最大高度的计算方法,预测了未来开采下伏可采煤层造成的漏水灾害区。
Comprehensive governance of goaf group of a big bedded metals deposit;
某大型层状多金属矿床采空区群综合治理