开采深度 是相对深度 还是深度
2021-01-17T13:01:59+00:00
什么是开采标高 百度知道
【开采标高】就是开采的范围是某地形构造的某点至某点的竖向高度。 这可能是相对标高或者绝对标高,相对标高的意思就是将一个点的高度定为±0,比这个点高的为正,低了为负。看到有人说开采深度和支护的关系,我补充一点: 岩石圈的地压梯度主要有重力梯度和热压梯度,它确实会随着深度的加深而变大。 但是40米的深度对于岩石圈来说,就像太平洋 地下采矿挖洞深度多少米需要做支护? 知乎煤炭资源的开采深度并 不是无限的,必定存在一个极限深度的概念,即根据 目前经济技术水平确定的允许开采的最大深度,亦即 从保障作业安全、经济合理性、机械化程度、环境 煤炭深部开采与极限开采深度的研究与思考 ResearchGate深部开采的定量界定与分析谢和平 升。 因此界定深部开采, 深度的增加、 灾害加剧是表 象, 本质控制因素正是应力, 应力水平的增加和应力 状态的改变是根本要素。 笔者认 深部开采的定量界定与分析谢和平 百度文库中文名 深部开采 外文名 Deep mining 学 科 开采工程 领 域 能源 范 围 地下开采 释 义 深度大于600m的地下开采作业 目录 1 简介 2 岩层控制 3 矿井高温 4 矿井降温方法 5 深部开采 深部开采百度百科
关于《煤矿安全规程》中煤矿 开采深度问题
2022年7月4日 回复: 《煤矿安全规程》第八十六条所称的开采深度是指主井井口的标高与开采最低标高之间的差。(1)开采深度小于300m,称浅井开采。 在此深度内采矿时,一般地压显现不严重,即使发生地压活动,也属静压问题,易于处理。 (2)开采深度300~800m,称为中深井开采。深井开采百度百科什么是矿区开采深度与标高,矿山设备厂家为充分利用宝山矿区的矿产资源,紫金县宝山矿业开发公司申请延深开采标高,经广东省国土资源厅以粤国土资矿管函号文批复,同意 并注 什么是矿区开采深度与标高深矿井开采也叫深井筒开采,指埋藏在距地表一定深度的煤炭,地表平坦的矿区,煤炭的埋藏深度与矿井井筒深度大体相当。 深矿井开采就是指埋藏在距地表一定深度(一般大 深矿井开采百度百科2022年9月10日 Soil moisture is a key factor that restricts plant growth Coal mining subsidence causes cracks on the ground, coupled with the reduction of groundwater level, which further reduces the already (PDF) Review on analysis of soil moisture changes
puppeteer爬虫的奇妙之旅 Issue #1 ixlei/jsnotes GitHub
2017年10月11日 puppeteer爬虫的奇妙之旅 Issue #1 ixlei/jsnotes GitHub puppeteer 2018年3月31日 To understand the disastercausing mechanism of fault slip rockburst and reduce incidence of rockburst during mining process, the research progress and achievements of the rockburst are summarized (PDF) Research situations and development tendencies of fault slip 1 School of Resources and Safety Engineering,Central South University,Changsha ,Hunan,China; Received: Revised: Online: Published: Contact: Haiyun ZHANG Email: Model for Strata Displacement Angle Predicting and Its Перевод 'вскрытая мощность' с русского на на китайский: 打开厚度, 钻开厚度вскрытая мощность2022年5月17日 1) School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing , ChinaResearch progress on the evolution of physical and mechanical
Mechanism of rock strata movement caused by underground
2014年5月1日 Some scholars applied the monitoring method to study the surface strata movement Taking the Chengchao iron mine in China as an example, Zhu [24] summarized the development process of the collapse 2014年6月1日 Using six factorsfive levels technology to design the experiment to analyze sensitivity of impact factors; at the same time this paper studies the relationships between pillar safety factor and Sensitivity analysis of impact factors of pillar stability and its CNA CN97A CN9A CNA CN A CN A CN A CN 9 A CN9 A CN 9A CN A CN A CN A Authority CN China Prior art keywords gas air simulation control mining Prior art date Legal CNA 一种煤矿开采后瓦斯预测模型 Google Patents2018年9月1日 A review of application, experimental and theoretical researches on rock DME is given For the experiments, 7 topics include: (1) features of DRA curve, (2) memory fading, (3) artificial memory (PDF) Rock deformation memory effect: applications, experiments 1 School of Resources and Safety Engineering,Central South University,Changsha ,Hunan,China; Received: Revised: Online: Published: Contact: Haiyun ZHANG Email: Model for Strata Displacement Angle Predicting and Its
GSOGPR Model for Strata Displacement Angle Predicting and Its
1 School of Resources and Safety Engineering,Central South University,Changsha ,Hunan,China; Received: Revised: Online: Published: Contact: Haiyun ZHANG Email:@2014年1月1日 The mining depth directly affects the magnitude of the original rock stress, and the impact on the roadway may be obvious Therefore, for a mine where there is a risk of rock burst, as the depth Influence analysis of exploit depth and vertical impact load on 2019年3月31日 The stability of sandwiched waterresisting strata plays a significant role in the closed multipleseam mining The upper accumulated water in the upper gobs can seepage and flow into the lower (PDF) Influence of multiple mining damage on the stability of CNA CN77A CN7A CNA CN A CN A CN A CN 7 A CN7 A CN 7A CN A CN A CN A Authority CN China Prior art keywords water flowing mining fractured zone height flowing fractured Prior art CNA Google PatentsCNB CN68A CN6A CNB CN B CN B CN B CN 6 A CN6 A CN 6A CN B CN B CN B Authority CN China Prior art keywords caving goaf mfrac unit rock Prior art date Legal status CNB Google Patents
CNB 一种煤矿开采后瓦斯预测模型 Google Patents
CNB CN97A CN9A CNB CN B CN B CN B CN 9 A CN9 A CN 9A CN B CN B CN B Authority CN China Prior art keywords gas air box main body simulation Prior art date Legal CNB CN61A CN6A CNB CN B CN B CN B CN 6 A CN6 A CN 6A CN B CN B CN B Authority CN China Prior art keywords index information historical stability coal Prior art date CNB 煤矿冲击地压危险程度的预测方法、装置 本发明是一种基于insar技术的矿区开采监测方法,首先通过求取与待监测矿区临近的矿区的概率积分法模型系数,通过利用insar CNB 一种基于InSAR技术的矿区开采监测方法 CNA CN81A CN8A CNA CN A CN A CN A CN 8 A CN8 A CN 8A CN A CN A CN A Authority CN China Prior art keywords mine pressure data strong prediction monitoring data Prior art date CNA Google Patents2017年8月10日 According to the history and current situation of ground cavingin in the eastern Chengchao Iron Mine, a 3D surface model of ground cavingin was reconstructed with the help of a 3D laser scanning (PDF) Study on mechanism of formation and expansion of
CNA 一种地表变形破坏预测预警方法
本发明提供了一种地表变形破坏预测预警方法、装置及存储介质,该方法包括:获取地表变形破坏的主控因素 本发明涉及一种厚冲积层矿区导水裂缝带高度预测方法,属于导水裂缝带高度预测方法技术领域 CNA Google PatentsПеревод '安全开采深度' с русского на на китайский: безопасная глубина разработки安全开采深度CNA CN69A CN6A CNA CN A CN A CN A CN 6 A CN6 A CN 6A CN A CN A CN A Authority CN China Prior art keywords enlarging collapsed crack platform soil Prior art date Legal CNA 煤矿台阶状塌陷的修复方法 Google PatentsMachines addon for Nova Contribute to NovaAddons/Machines development by creating an account on GitHubMachines/zhcnjson at main NovaAddons/Machines GitHub
CNA 露天矿山汽车运输转汽车 Google Patents
CNA CN21A CN2A CNA CN A CN A CN A CN 2 A CN2 A CN 2A CN A CN A CN A Authority CN China Prior art keywords automobile transportation adhesive tape cost transport Prior art date CNA CN42A CN4A CNA CN A CN A CN A CN 4 A CN4 A CN 4A CN A CN A CN A Authority CN China Prior art keywords deep water inrush dominated factors well water analysis Prior art date CNA 一种用于深井底板突水风险的分析方法 CNA CN68A CN6A CNA CN A CN A CN A CN 6 A CN6 A CN 6A CN A CN A CN A Authority CN China Prior art keywords mining value influence factors overburden influence Prior art date CNA Google PatentsCNB CN21A CN2A CNB CN B CN B CN B CN 2 A CN2 A CN 2A CN B CN B CN B Authority CN China Prior art keywords automobile transportation belt transport cost vapour Prior art date CNB 露天矿山汽车运输转汽车 Google Patents本发明涉及一种厚冲积层矿区导水裂缝带高度预测方法,属于导水裂缝带高度预测方法技术领域 CNB Google Patents
CNA Google Patents
CNA CN71A CN7A CNA CN A CN A CN A CN 7 A CN7 A CN 7A CN A CN A CN A Authority CN China Prior art keywords water danger classes index evaluation index water bursting Prior art CNB CN35A CN3A CNB CN B CN B CN B CN 3 A CN3 A CN 3A CN B CN B CN B Authority CN China Prior art keywords goaf parameters model insar deformation Prior art date CNB 基于InSAR Google PatentsCNA CN54A CN5A CNA CN A CN A CN A CN 5 A CN5 A CN 5A CN A CN A CN A Authority CN China Prior art keywords trolley automobile inclined shaft ramp staged Prior art date 201810 CNA 地下无轨采矿斜井提升汽车的方法 Google CNB CN43A CN4A CNB CN B CN B CN B CN 4 A CN4 A CN 4A CN B CN B CN B Authority CN China Prior art keywords rock burst mining coal seam rock coal Prior art date Legal CNB 一种矿区冲击地压的危险性评估方法 CNA CN52A CN5A CNA CN A CN A CN A CN 5 A CN5 A CN 5A CN A CN A CN A Authority CN China Prior art keywords influence factor index danger burst evaluation Prior art date 201807 CNA Google Patents
CNB Google Patents
CNB CN62A CN6A CNB CN B CN B CN B CN 6 A CN6 A CN 6A CN B CN B CN B Authority CN China Prior art keywords filling strip mining goaf coal seam Prior art date Legal CNA CN54A CN5A CNA CN A CN A CN A CN 5 A CN5 A CN 5A CN A CN A CN A Authority CN China Prior art keywords pressure relief tunnel roadway relief groove anchor pole Prior art date CNA Google PatentsCNA CN94A CN9A CNA CN A CN A CN A CN 9 A CN9 A CN 9A CN A CN A CN A Authority CN China Prior art keywords coal resources coal mining right case resources mining Prior art date CNA Google Patents2022年9月10日 Soil moisture is a key factor that restricts plant growth Coal mining subsidence causes cracks on the ground, coupled with the reduction of groundwater level, which further reduces the already (PDF) Review on analysis of soil moisture changes 2017年10月11日 puppeteer爬虫的奇妙之旅 @(爬虫)[puppeteer] 爬虫又称网络机器人。每天或许你都会使用引擎 puppeteer爬虫的奇妙之旅 Issue #1 ixlei/jsnotes GitHub
(PDF) Research situations and development tendencies of fault slip
2018年3月31日 To understand the disastercausing mechanism of fault slip rockburst and reduce incidence of rockburst during mining process, the research progress and achievements of the rockburst are summarized 1 School of Resources and Safety Engineering,Central South University,Changsha ,Hunan,China; Received: Revised: Online: Published: Contact: Haiyun ZHANG Email: Model for Strata Displacement Angle Predicting and Its 开采深度, 开采厚度 钻遇厚度 вскрытая бурением мощность (толщина), интервал, вскрыт ый бурениемвскрытая мощность2022年5月17日 1) School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing , ChinaResearch progress on the evolution of physical and mechanical 2014年5月1日 Some scholars applied the monitoring method to study the surface strata movement Taking the Chengchao iron mine in China as an example, Zhu [24] summarized the development process of the collapse Mechanism of rock strata movement caused by underground
Sensitivity analysis of impact factors of pillar stability and its
2014年6月1日 Using six factorsfive levels technology to design the experiment to analyze sensitivity of impact factors; at the same time this paper studies the relationships between pillar safety factor and CNA CN97A CN9A CNA CN A CN A CN A CN 9 A CN9 A CN 9A CN A CN A CN A Authority CN China Prior art keywords gas air simulation control mining Prior art date Legal CNA 一种煤矿开采后瓦斯预测模型 Google Patents2018年9月1日 A review of application, experimental and theoretical researches on rock DME is given For the experiments, 7 topics include: (1) features of DRA curve, (2) memory fading, (3) artificial memory (PDF) Rock deformation memory effect: applications, experiments