长壁采空区,the longwall goaf
1)the longwall goaf长壁采空区
1.In allusion to the damage zone of overlying strata and mining the left-over coal abovethe longwall goaf,through simplified plane model of mechanics,the damage zone of strata abovethe longwall goaf after coal mined was analytical analyzed.针对长壁采空区上方岩层损伤影响范围及其遗弃煤层开采问题,用简化的平面力学模型,解析分析了煤层采出后长壁采空区上方岩层的损伤影响范围,并根据垂直方向上岩层的损伤影响程度按从大到小的顺序将采空区覆岩分为破损垮落带、损伤扰动带和无损变形带,获得了长壁采空区上方遗弃煤层上行开采的安全层间距计算公式。
2)horizontal longwall mining district走向长壁采区
1.This paper deals with the development and use ofhorizontal longwall mining district optimum design software based on thers’work as a tool of computer,a means of system engineering and a core of mining district optimum design.在前人工作的基础上， 以计算机为工具， 以系统工程为手段， 以采区优化设计为核心讨论了走向长壁采区优化设计软件的研制和使用。
3)fully mechanized longwall coal mining长壁综采
1.The paper introduced the size, equipment, gateway arrangement and production of thefully mechanized longwall coal mining faces at home and abroad.介绍了国内外长壁综采工作面的尺寸、设备、回采巷道布置及工作面单产的现状及发展趋势。
英文短句/例句
1.Analysis on the system reliability of fully mechanized longwall mining face in pitched seam大倾角煤层长壁综采工作面系统可靠性分析
2.Technology and Practices on Mine Strata Pressure Control of Fully Mechanized Longwall Coal Mining Face with Shallow Mining Depth浅埋长壁综采工作面矿压控制技术与实践
3.The Research on the Optimizal Parameters of Face System in Fully-mechanized Longwall Mining Pitched Seam大倾角煤层走向长壁综采工作面系统参数优化研究
4.The Study on the Reliability of Coal Mining Face by Fully-mechanized Longwall Along Strike of Pitched Seam大倾角煤层走向长壁综采工作面系统可靠性研究
5.On fully-mechanized long-wall face coal mining technology for thin and rather-thin middle-thick coal seam薄及较薄中厚煤层综合机械化长壁开采研究
6.Stope wall rock activity law of long-wall full-mechanized caving mining on strike of steep dipping seam大倾角煤层长壁综放采场围岩活动规律
7.Research on Method of Long-and Short-Wall Full-mechanized Mining by Separating-body Moving分体移动长短壁综合机械化采煤法探索
8.Characteristics of strata behaviors of the long-wall full-mechanized caving mining field on strike of steeply thick coal seam大倾角特厚煤层走向长壁综放采场矿压特征
9.Practice and knowledge in the mechanization dip longwall mining in Jixi coal area鸡西矿区倾斜长壁综合机械化开采的实践与认识
10.Test Study on the Law of Drawn-out Body of Top Coal in Fully-mechanized Top Caving Face in Steeply Seam;大倾角长壁综放开采顶煤放出体变化规律实验研究
11.Stability Analysis and control of Longwall Caving Support System Inclined to Thick Coal Seam急倾斜厚煤层走向长壁综放开采支护系统稳定性分析及控制
12.Integrated technology for fully mechanized top coal caving mining face in steep inclined seam with hard roof,soft floor and soft coal大倾角硬顶软底软煤走向长壁综放开采集成技术
13.Mechanism and control technique of the rib spalling in fully mechanized mining face with great mining height大采高综采煤壁片帮冒顶机理与控制技术
14.longwall peak stopingV形工作面向下梯段长壁回采法
15.Longwall mining along the dip of the unstable coal seam and strata control不稳定煤层倾斜长壁开采及矿压控制
16.Application of π-shaped steel beam of longwall mining technology with big dip大倾角π型钢梁长壁采煤工艺的应用
17.advance workings长壁前进式全面开采法;超前巷道;前进式开采面
18.Idea on combined coal mining technology with multi coal shearers for longwall coal mining face长壁工作面多采煤机联合采煤工艺的构想
相关短句/例句
horizontal longwall mining district走向长壁采区
1.This paper deals with the development and use ofhorizontal longwall mining district optimum design software based on thers’work as a tool of computer,a means of system engineering and a core of mining district optimum design.在前人工作的基础上， 以计算机为工具， 以系统工程为手段， 以采区优化设计为核心讨论了走向长壁采区优化设计软件的研制和使用。
3)fully mechanized longwall coal mining长壁综采
1.The paper introduced the size, equipment, gateway arrangement and production of thefully mechanized longwall coal mining faces at home and abroad.介绍了国内外长壁综采工作面的尺寸、设备、回采巷道布置及工作面单产的现状及发展趋势。
4)longwall mining长壁开采
1.China rely mainly on underground mining ,andlongwall mining is play ing important roles in coal mining in China.综述我国长壁采煤法的基本情况 ,重点分析长壁采煤法技术进展、长壁开采设备发展趋势和长壁开采技术在厚煤层中的应用 ,同时介绍了我国高产高效矿井长壁开采技术和经验。
2.The authors elaborate the application oflongwall mining with descentional ventilation at 7327 working face in the medium-thickness seam with big dip-angle,and point out the ways of fire prevention by giving even air pressure,burying pipe and gelatinizing,and using atomizing inhibitor.论述沛城煤矿7327回采工作面大倾角中厚煤层下行通风长壁开采,采用均压、埋管注胶、雾化阻化剂等防灭火措施及效果,提出了采煤工作面大倾角中厚煤层长壁开采的防灭火方法。
5)longwall stripping长壁剥采
6)longwall mining长壁回采
1.Numeric study of damage for the surrounding bed inlongwall mining长壁回采围岩破损规律的数值模拟研究
延伸阅读
走向长壁采煤法见壁式采煤法。
