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- Keywords goaf area;coal pillar;high resolution seismic method;large energy Rayleigh wave method;diffracted wave;Rayleigh wave velocity; 采空区;煤柱;高分辨率地震;大能量瑞雷波;绕射波;瑞雷波速度;
- The research results provide very important reference and basis for the safe operation of UHV transmission lines in the goaf area of coal mine. 研究结果为我国煤矿采空区基础变形特高压输电线路的安全运行提供参考依据。
- Because of strata dip offsets, fractures in goaf area, result in primary strata structural damages, thus geophysical characteristic changes will be along with. 采空区由于原始地层错动、裂缝,地层结构破坏,其地球物理特性也发生了变化。
- The paper introduced the successful application of high bench caving method of using deep hole roller rock bit into the practice of solving the complex goaf area,a stuff problem of this kind. 采用深孔牙轮钻机、利用高台阶崩落法成功地处理了复合采空区,解决了复合采空区处理难的问题,使技术人员在熟练浅采、深采空区处理的情况下,又探索出复合采空区的处理方法。
- Keywords goaf;spontaneous ignition;fire management; 采空区;自燃发火;火灾治理;
- Keywords goaf;friable rock;numeric simulation; 采空区;松散岩体;数值模拟;
- foundation of Goaf area of coal mine 煤矿采空区地基
- On the basis of investigation for the accumulated water in goaf areas in the Tongxin mine field,occurrence of the accumulated water in goaf areas is examined in this paper. 本文依据井田范围内采空积水调查资料,探讨了采空积水的贮存分布规律,并采用冒落带及导水裂隙带最大高度的计算方法,预测了未来开采下伏可采煤层造成的漏水灾害区。
- Keywords goaf under railway;harm;subsidence processing; 铁路下采空区;危害;塌陷处理;
- Keywords goaf;gas drainage;drainage parameters;Flow the mechanism; 采空区;瓦斯抽放;抽放参数;流动机理;
- Comprehensive provention research on goaf area spontaneous fire 采空区煤炭自燃灾害综合防治的研究
- PROSPECTNG FOR THE GOAF AREA UNDER EXPRESSWAY SUBGRADE BY GPR 高速公路路基下采空区探地雷达探测
- Keywords goaf disposal;chamber blasting;destressing connection;strata control; 采空区处理;硐室爆破;卸压连通;岩移控制;
- Keywords goaf;overlying strata movement;analog simulation;cranny water; 采空区;覆岩移动;相似模拟;裂隙水;
- Application on Electrical Prospecting in Detecting Goaf Area of Coal Mine 电法勘探在煤矿采空区范围探测中的应用
- Keywords goaf;safety theory of field flow;spontaneous combustion;gas outburst;new progress; 采空区;场流安全理论;自然发火;瓦斯涌出;新进展;
- Keywords goaf;coal spontaneous combustion;factor analysis;evaluation analysis;analytical hierarchy; 采空区;煤自燃;因素分析;评价分析;层次分析法;
- Discussion about consolidating the foundations on goaf area by grouting from the surface 关于地面注浆加固矿山采空区地基的探讨
- Keywords goaf;distribution of oxygen density;spontaneous combustion;upwind finite element; 采空区;氧浓度分布;自然发火;迎风有限元;
- Geotechnical Engineering Analysis and Evaluation of Dam foundation of Ash Yard in Mine Goaf Area 煤矿采空区贮灰场坝基的岩土工程分析与评价
