您要查找的是不是:
- Because overlying Strata upon shallow coal seam is thin, movement and stress behaviors of overlying Strata all bear particularity during mining. 浅埋煤层由于上覆岩层较薄,在回采过程中,上覆岩层的移动及矿山压力的显现,均具有特殊性。
- To solve strata pressure control of shallow coal seam with thick sand and thin bedrock, in-situ observation was carried out in Baoshan mine 6101 fully mechanized coalface, which is the first coalface. 摘要为解决厚砂层薄基岩浅埋煤层矿压控制问题,对宝山煤矿6101综采工作面(首采)进行现场实测。
- shallow coal seam with thin bedrock 薄基岩浅埋煤层
- Keywords Shallow coal seam;Dynamic simulation;Overlying strata;Failure process; 浅埋煤层;动态模拟;上覆岩层;破坏过程;
- The simulation experiment analysis of water fluid crack's development law in the shallow coal seam 浅埋煤层导水裂隙发展规律物理模拟分析
- RESEARCH ON MECHANISM OF ROOF OF THICK SANDSTONE AND THIN BASE ROCK BREAK ABOVE SHALLOW COAL SEAM 浅埋煤层厚积砂薄基岩顶板破断机理研究
- Numerical Simulation of the Air Leakage in the Bedding Plane of Gob in Shallow Coal Seam 浅煤层采空区层面漏风的数值模拟分析
- Application and Effect of Water Control Technique in Fully Mechanized Mining in Shallow Coal Seam under a Thick Loosened Aquifer with a Thin Bedrock, Shendong Mining Area 浅埋深、薄基岩、厚松散含水层下煤层综合机械化开采防治水技术应用
- shallow coal seam 浅埋煤层
- Coal miners; coal seams; coal haulers. 煤矿工; 煤层; 运煤工
- Whereas the character of roof's movement and falling caused by coal seam is shallow in Shen-dong mine district, the workface advance rate must be picked up dur... 鉴于神东矿区煤层埋藏浅而引起的顶板移动、跨落特点,在回采过程中加快工作面推进速度,能够比较有效的控制顶板岩层。
- Simulating test on damage regularities of thick sandy soil layer and load distribution on key roof block in shallow coal seams 浅埋煤层厚沙土层顶板关键块动态载荷分布规律
- Coal seams intermixed with iron ore. 煤层和铁矿混杂在一起。
- The Gaussian curvature of No.3 coal seam in Qinshui basin is calculated. 计算了沁水盆地3号煤层的高斯曲率。
- Factors affected coal seam permeability change and its law is analyzed. 分析了煤层透气性变化的影响因素及变化规律。
- The outburst-proneness of 6# coal seam are studied with five indexes. 采用5种指标对该矿6%23煤层冲击倾向性进行了实验研究。
- The mining of shallow coal bed in Shenfu Mine is seriously threatened by suffosion hazard of coal shaft. 神府矿区浅部煤层开采受到矿井溃砂的严重威胁。
- The No.12404 working face of Daliuta coalmine has a shallow buried coal seam under thick loosened aquifer with only thin bedrock there under,and the Muhe runnel flowing across on the surface. 大柳塔煤矿12404工作面煤层埋深浅、上覆基岩薄、松散含水层厚,地表让有母河沟横过。
- Coal seams intermixed with iron ore . 煤层和铁矿混杂在一起。
- Base on the weighing feature of the shallow coal bed,the specifying method of the support working resistance and safety margin is presented in the shallow coal bed. 依据浅埋煤层矿压显现特征,给出浅埋煤层长壁开采工作面支架合理工作阻力及安全界限的确定方法。