近浅埋煤层,shallow buried coal seam
1)shallow buried coal seam近浅埋煤层
1.Based on mining practice of 2302 Mining Face of Yuyang Colliery,this paper applied two mechanics models of "board" and "beam" to analyzing and calculating first roof weighting pace of basic roof inshallow buried coal seam.以榆阳煤矿2302工作面的开采实践为工程背景,利用"板"和"梁"两种力学模型对近浅埋煤层开采基本顶初次来压步距进行了分析和计算,结合基本顶实际垮落步距确定出适合近浅埋地质条件下的力学模型,并计算了"板"力学模型在不同边界条件下初次来压步距。
英文短句/例句
1.Simulation Research and Actual Measurements on Water Conservation Mining and Overlayer Strata Movement of Thick Base Rock Shallow Seam近浅埋煤层保水开采覆岩运动模拟研究与实测
2.Main roof first collapse law and measure of controlling roof in seam with approximate shallow depth近浅埋煤层老顶初次垮落规律及控顶措施
3.Study on the Ovorlying Rock Failure of the First Caving Ming Face of Similar Shallow Thinck Coal Seam in Zaoquan Coal Mine;枣泉煤矿近浅埋煤层首采工作面覆岩破坏规律研究
4.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
5.Influence and prevention on the fault of overburden rock to water-preserved mining in shallow seam浅埋煤层覆岩中断层对保水采煤的影响及防治
6.Reconstruction of Coal Mining Method for Shallow Mining Depth Seam in Nalinmiao No.2 Mine纳林庙二号井浅埋煤层条件下采煤方法改造
7.On law of abutment pressure distribution of coal pillar in shallow seam浅埋煤层预留煤柱支承压力分布规律研究
8.Design of rational width of coal pillars in gateways in gently inclined shallow coal seams浅埋缓斜煤层回采巷道合理煤柱宽度设计
9.Prediction of Sand and Water Inrush in Seam with Shallow Depth and Under Rich Water Aquifer in Hanjiawan Mine韩家湾煤矿浅埋煤层富水区下溃砂突水性预测
10.Research on Aquiclude"s Broking Law of Longwall Mining in Shallow Seam;浅埋煤层长壁开采隔水层破坏规律研究
11.Study on the Failure of Overlying Rock in Mining Shallow Thick Coal Seam by Slicing Method;浅埋厚煤层分层开采覆岩破坏规律研究
12.Research on Mechanism of Thick Sand Dynamic Load Transmitting in Shallow Seam;浅埋煤层上覆厚沙土层采动载荷传递机理研究
13.Study on the Law of Movement and Failure of Overlying Rock in Shallow Seam Mining under Thick Clay Layers;地表厚土层浅埋煤层覆岩运动与破坏规律研究
14.Study and Application of Key Strata Theory in Shallow Seam of Shendong Mining Area;神东矿区浅埋煤层关键层理论及其应用研究
15.Research on Mining-induced Water Resisting Property of Clay Aquiclude in Shallow Seam浅埋煤层粘土隔水层的采动隔水性研究
16.Mathematical model of "arch beam" of thick sandy soil layer movement in shallow seam浅埋煤层地表厚砂土层“拱梁”结构模型研究
17.SIMULATION OF CLAY AQUIFUGE STABILITY OF WATER CONSERVATION MINING IN SHALLOW-BURIED COAL SEAM浅埋煤层保水开采隔水层稳定性的模拟研究
18.Influence of mining height of main roof on broken length采高对浅埋煤层老顶岩层破断距的影响
相关短句/例句
shallow seam浅埋煤层
1.Simulating of determining reasonable working resistance of support inshallow seam of thick clay layers;浅埋煤层工作面合理阻力支架选型相似模拟实验研究
2.Post-buckling behavior for roof strata inshallow seam longwall mining;浅埋煤层长壁开采顶板岩层的后屈曲性态
3.Study on catastrophe mechanism for roof strata inshallow seam longwall mining;浅埋煤层长壁开采顶板岩层灾害机理研究
3)shallow coal seam浅埋煤层
1.Study on stability of overburden stratum structure by numerical simulation forshallow coal seam;浅埋煤层覆岩结构稳定性数值模拟研究
2.Criterion of broken and limit stride calculation inshallow coal seam coved with thick loose layer;厚松散层浅埋煤层覆岩破断判据及跨距计算
3.Simulating test on damage regularities of thick sandy soil layer and load distribution on key roof block inshallow coal seams;浅埋煤层厚沙土层顶板关键块动态载荷分布规律
4)thick seam with shallow depth浅埋厚煤层
1.Research on rational width of protective coal pillar for slicing mining inthick seam with shallow depth;浅埋厚煤层分层开采保护煤柱合理宽度研究
5)shallow thick coal seam浅埋深特厚煤层
1.Based on the high mining height of fully-mechanized top-coal caving inshallow thick coal seam and the few falling waste rock in goal, the key roof can not be supported effectively,the facture mechanical model of key roof was established.根据浅埋深特厚煤层综放开采采高大,采空区垮落矸石不充分,不能有效支撑老顶岩梁,造成老顶架后切落的特点,建立了老顶断裂力学模型,利用断裂力学理论推导了老顶的断裂步距和支架的合理工作阻力。
6)shallowly-buried and thick seam浅埋深厚煤层
延伸阅读
近浅1.浅陋，平庸。
