基于ENVI的朱芦采煤沉陷区面积变化模拟及分析

文章基于ENVI,对安徽省宿州市朱仙庄-芦岭采煤沉陷区(以下简称"朱芦采煤沉陷区")1987~2013年间面积的历史变化过程进行了边际提取、典型年面积计算及分析预测等量化工作。分析得到在1987、1990、1995、2000、2005、2010、2013 6个典型年下朱芦沉陷区的面积大小分别为421.38hm2、429.48hm2、490.50hm2、621.81hm2、649.17hm2、654.21hm2,并基于此预测得到朱芦沉陷区在2015、2020、2030年的面积分别为754.15hm2、806.87hm2、1398.75hm2。     

房式开采地表沉陷规律试验研究

南屯煤矿在国内率先进行了房式采煤法的工业试验工作,并专门建立了地表移动观测站,取得了大量的观测数据.通过对观测资料的整理和分析,获得了该区条件下房式开采时的地表移动变形规律和有关参数,为今后我国建筑物下房式开采提供了宝贵的资料.     

房式开采地表沉陷规律试验研究

南屯煤矿在国内率先进行了房式采煤法的工业试验工作,并专门建立了地表移动观测站,取得了大量的观测数据。通过对观测资料的整理和分析,获得了该区条件下房式开采时的地表移动变形规律和有关参数,为今后我国建筑物下房式开采提供了宝贵的资料。     

淮南市采煤沉陷区综合治理成本及补偿机制研究

淮南市煤炭资源丰富,随着煤炭的大规模开发,也带来了采煤沉陷区的产生。针对采煤沉陷区的出现对城市的资源环境、基础设施、失地农民、经济发展以及社会稳定产生的广泛而深远的影响,提出一系列改进成本补偿的建议,以期能够进一步完善淮南市采煤沉陷区治理的成本补偿机制,提高沉陷区综合治理水平,推动煤炭资源型城市的转型发展和全社会的和谐发展。     

淮南顾桥采煤沉陷积水区水质现状研究

以安徽淮南顾桥采煤沉陷积水区水体为研究对象,利用综合水质标识指数法进行综合水质评价和综合营养状态指数法进行水质富营养化状况评价,结果表明:分析样本中64%达到Ⅱ类或Ⅲ类水质,水质总体较好;该沉陷积水区总体不存在重金属污染,有机物指标对该区域水体污染贡献率较大;该沉陷积水区富营养化状况不容乐观,应加强重视;超标采样点及重度富营养化采样点多集中在村庄相对密集的南部沉陷区域;农村面源污染是该积水区富营养化的主要来源。     

采煤沉陷区土地复垦适宜性评价指标体系的建立及仿真

采煤沉陷区土地复垦适宜性涉及多方面的影响因素,也是制定土地复垦方案的前提和基础。本文以皖北煤电集团拥有的部分煤矿为例,结合矿区的自然条件及实际情况,建立采煤沉陷区土地复垦适宜性评价指标体系和数学模型,运用了MATLAB对复垦适宜性评价指标进行数值仿真。该指标体系建立和数值计算方法,为采煤沉陷区土地的复垦适宜性评价提供了理论基础。     

渭北采动沉陷区地表裂缝规律及村镇抗变形民宅设计分析

以蒲白矿务局南井头矿4501工作面为例，介绍了地表裂缝的形成过程，分析了地表裂缝规律及其对面建筑物的影响，在此基础上，通过对12501面上试验房屋抗变形设计的研究，探讨了厚黄土覆盖抗变形设计技术措施，并对村镇抗变形建筑物的适用性进行了分析和总结，为渭北煤田的“三下”开采工作创造了有利条件。     

山区地下深部临近采煤工作面地表沉陷规律研究

为了揭示山区地下深部临近采煤工作面地表沉陷规律,以晋城煤业某矿1310工作面为研究对象,采用实测研究方法分析地表动静态特殊沉陷规律。结果表明：山区地下深部临近采煤工作面地表移动盆地平底部分下沉值严重不对等,变形值也不再为0,上、下山方向下沉曲线拐点偏向煤柱上方一侧;走向边界角63.1°,走向移动角72.8°,走向拐点偏移距148 m,上山拐点偏移距-20 m,下山拐点偏移距-21 m。这是因为高反坡作用减弱了原有沉陷程度和沉陷范围,致使地表采动影响范围减小,边界角和移动角增大;临近采煤工作面则相反,增强了原有沉陷程度和沉陷范围,扩大了地表采动影响范围,致使移动变形曲线变缓,减小了拐点偏移距,拐点转移到煤柱上方,致使上、下山拐点偏移距为负值。研究成果可为类似条件下沉陷规律揭示与沉陷预测提供参考。     

利用神经网络预测开采引起地表沉陷

本文将人工智能中的神经元网络理论引入开采沉陷学领域，用以预测矿山开采引起的岩层与地表移动，利用神经网络对已知样本进行学习，初步探索出一条新的用来预测矿山开采沉陷的理论方法。     

沉井下沉系数的计算与分析

对沉井下沉过程中不同情况下的下沉系数进行了计算与分析。     

煤矿企业信息网络安全的实现

随着煤矿企业信息网络的功能的扩展,煤矿企业信息网络的安全问题更加严重,利用现有的设备,增加或不增加设备,仍然有很多安全方法可供采用,通过综合运用这些方法,可以解决大部分的安全隐患。     

Seepage effects of groundwater and its make-up water on triggering ground subsidence

The functioning mechanism of groundwater and its make-up water in the process of ground subsidence was studied from such three aspects as osmotic corrasion, osmotic pressure effect and concretion effect. As to osmotic corrasion, its forming conditions, mechanical mechanism and process were analyzed. As to osmotic pressure effect, it was mainly studied from hydrostatic pressurizing effect, sop softening effect and negative pressure sealing effect. Through concretion and saturation of soil, the factors of concretion settlement were analyzed. The results showed that both groundwater and its make-up water are important triggering factors to ground subsidence.     

Gain-Scheduling H∞ Autopilot Design for Tactical Missiles with Variable-Swept Wings

Based on the sharp contradiction between the economic benefits and adverse ecological impact of coal development in China’s west,this paper establishes an evaluation model for the synergetic eco-environmental development in Shendong Coal Mining Area through using synergism of five laws and the fuzzy comprehensive evaluation method. The analysis on synergy between large-scale coal mining and the eco-environment protection in Shendong is also conducted,arriving at the conclusion that synergetics of Shendong ’s eco-environment protection is"good". And thus,the result sheds light on the fact that while working to quench China’s energy demand on its path towards a modernized large coal mine complex,Shendong,as part of Shenhua Group’s mining operation,has applied innovative management concepts and models to improve eco-environment for harmony and win-win results between resource exploration and environmental protection.     

Study of “3-Step Mining” Subsidence Control in Coal Mining Under Buildings

Mining subsidence damage is the main factor of restricting coal mining under buildings. To control or ease effectively the degree of mining subsidence and deformation is essential to resolve this problem. Through analyzing both advantages and disadvantages of some technologies such as mining with stowing, partial extraction and grouting in separated beds of overburden, we used the principle of load replacement and propose a “3-step mining” method, a new pattern of controlling mining subsidence, which consists of： strip mining, i.e. grouting to fill and consolidate the caving zone and retained strip pillar mining. The mechanism of controlling mining subsidence by using the “3-step mining” pattern is analyzed. The effect of the control is numerically simulated. The preliminary analysis shows that the “3-step mining” can effectively control ground subsidence and deformation. By using this method, the ground subsidence factor can be controlled to a value of about 0.25. Coal recovery can reach 80%-90%. Coal mining without removing surface buildins can be realized and the economic loss resultin from round subsidence can be greatly reduced.     

MATLAB与VB结合在开采沉陷中的应用

介绍了基于ActiveX控件的VB和MATLAB接口方法,利用VB的界面友好性和MATLAB提供的丰富稳定的数值计算及图形绘制功能,将两者结合应用在因开采沉陷引起的地表移动变形预计中,使复杂的计算过程变得具有直观性,结果具有可视性。     

Quantitative prediction of mining subsidence and its impact on the environment

This study is focused on the prediction of mining subsidence and its impact on the environment in the Hongqi mining area.The study was carried out by means of a probability integral model based,in firs...     

兖州矿区红层砂岩中自生绿泥石的产状和成因

运用带有Ｘ射线能谱仪的扫描电子显微镜,详细研究了兖州矿区上侏罗统红层砂岩中自生绿泥石的产状、成因及其水文地质意义．根据其在砂岩孔隙中的分布特征及其与颗粒骨架的关系,自生绿泥石的产状可分为网膜式,渡桥式和填隙式（玫瑰花状集合体）３种;依据扫描电镜图片中矿物间的赋存关系并参考其化学成分、矿物成分和成岩环境,自生绿泥石的成因被划分为高岭石蚀变形、钾长石蚀变形和酸性热液生成３类．     

煤炭开采区上方高速公路的采动损害及其防护

对于通过煤炭开采区上方的高速公路，地下采煤将引起一系列的地面变形与破坏。本文以石－－太高速公路阳泉矿区通过段的选线为例，对地下开采引起的高速公路变形破坏问题进行综合了分析和评价，提出了相应的工程防护对策，使该选线方案顺利实施