巨厚煤层,extremely thick coal seam
1)extremely thick coal seam巨厚煤层
1.Research on the prevention of coal bumping tendency in miningextremely thick coal seam;巨厚煤层冲击地压的防治研究
2.Based on the study ofextremely thick coal seam"s power disaster in Qianqiu coal mine,the characters and influence factors are recognized.通过对义煤集团千秋煤矿二1煤层动力地质灾害现状、特点及影响因素分析,提出了适合巨厚煤层动力地质灾害的危险预测方法、解危措施、解危措施效果检验方法,以及以上工作失败、动力地质灾害突发情况下的应急措施,从而建立了适合巨厚煤层开采的动力灾害防治的安全开采体系,成功地进行有动力地质灾害倾向巨厚煤层的综放开采。
3.By using of RFPA~(2D),theextremely thick coal seam mined in 21121 fully mechanized sub-level caving longwall working face of Qianqiu Mine,Yima Coal Mining Administration,is studied in detail.其结果与现场顶煤位移深基点实测结果一致;通过RFPA~(2D)数值模拟实验结果可以看出,工作面超前支承压力作用范围较大,顶煤在运移、破坏过程中层状效应、周期效应较为明显,顶板回转效应显著,并在对巨厚煤层综放顶煤运移、破坏的这些特点进行理论分析的基础上,把顶煤的损伤、破坏直到放出经历的最大达90m的变形、破坏过程划分为初始压缩及塑性变形区、顶煤强烈压缩及破坏区、顶板回转及支架作用区,为巨厚煤层的放顶煤开采奠定良好的理论基础。
英文短句/例句
1.Stress concentration role mechanism of ultra thick seam to cause pressure bumping巨厚煤层应力集中诱发冲击矿压的作用机理
2.Water Controlled Coal Mining Technology Under Cracking Strata of Super Thick Gravel Layer with High Pressurized Water高水压巨厚砂砾层裂隙岩体下控水采煤技术
3.Analysis of Coal Mine Water-filled Conditions Under Thick Cenozoic and Coal Pillar Preserve巨厚第四系下煤矿充水条件与煤柱留设的分析
parison of strata movement between section and slicing of top coal mining in steep and thick seams急斜厚煤层分层与分段放顶煤岩层移动对比
5.Mining Technology of Thinner Coal Seam at Yu Jia-liang Coal Company榆家梁煤矿中厚偏薄煤层的开采技术
6.Theoretical determination of the section coal pillar"s reserve-width in medium thick coal seam中厚煤层区段煤柱留设宽度理论确定
7.Gateway Layout Technology of High Gassy Thick Seam in Tunliu Mine屯留煤矿高瓦斯厚煤层巷道布置技术
8.Key Technologies on Fully Mechanized Top Coal Caving Mining of Ultra Thick Seam in Tashan Mine塔山煤矿特厚煤层综放开采关键技术
9.The support applicability in shallow seam mining covered by thick soil厚土层覆盖浅埋煤层支架适应性分析
10.Study on the Roof Bedding Separation and Anchoring Effect of Extremely Thick Coal Seam Large Section Roadway;特厚煤层大断面煤巷顶板离层及锚固效应研究
11.New Research on Overlying Coal Seam Effects Induced by Nether Super-thick Coal Seam Exploitation in Coal Group煤层群下伏特厚煤层综放开采对上覆煤层影响的技术探讨
12.Study on the Creep Law of Super Thick Salt Beds in Pre-Caspian Basin滨里海地区巨厚盐膏层蠕动规律研究
13.STUDY ON FRACTURE MECHANISM OF OVERLYING SUPER-THICK ROCK STRATUM IN UNDERGROUND MINING地下开采上覆巨厚岩层断裂机制研究
14.Drilling technology of huge salt bed in well SLK3 in Kazakhstan哈萨克斯坦SLK3井巨厚盐层钻井技术
15.Determination of Critical Thickness of Stiff Roof in Coal Mine Based on Thick Plate Theory基于厚板理论的水平煤层顶板临界厚度的分析
16.Research on Large Mining Height Technique for Thick Coal Seams厚煤层大采高全厚开采工艺研究与应用
17.Reasonable Mining Height of Full-mechanized Caving Mining in Softly Inclined and Extra-thick Coal Seam缓倾斜特厚煤层综放开采合理开采厚度的确定
18.Determination on Fracture Condition of Key Stratum Above Full Thick Seam Mining Face厚煤层整层开采采场上覆关键层断裂条件判定
相关短句/例句
Mega-heavy sandy layers巨厚砂层
3)huge aquifer巨厚地层
4)super thick strata巨厚岩层
5)huge salt bed巨厚盐层
1.Drilling technology ofhuge salt bed in well SLK3 in Kazakhstan哈萨克斯坦SLK3井巨厚盐层钻井技术
6)super thick unconsolidated stratum巨厚松散层
1.By analyzing the existing problems of case pulling fromsuper thick unconsolidated stratum,the paper put forward a series of measures or plans in case design,pulling technique,restraining stratum swell and case protection,and it was proved to be applicable.通过分析当前巨厚松散层套管起拔存在的问题,从套管设计、起拔工艺及抑制地层水化等各方面,均提出新的措施和解决方案,经实践证明是可行的。
延伸阅读
巨灵神话传说中劈开华山的河神：巨灵咆哮擘两山。
