| 1. | To calcalate the morable angle of rock seam according to ground crack 根据地面斑裂推算岩层移动角 |
| 2. | In situ measurement of floor strata displacements in slice mining 分层开采底板岩层移动的现场观测研究 |
| 3. | The calculation of displacement and deformation of the superincumbent strata above the coal face 采场上覆岩层移动变形值计算 |
| 4. | Application of dynamic mechanics model of overlying strata movement and damage above goaf 采空区上覆岩层移动破坏动态力学模型的应用 |
| 5. | Primary study on ground surface subsidence and rockmass movement in east area of chenchao iron mine due to underground mining 程潮铁矿东区地下采矿引起地表沉降和岩层移动初探 |
| 6. | The experimental research of numerical simulation for the depth mining ' s effect on the law of movement and failure of overburden rock seam 采动对岩层移动破坏规律的数值模拟试验研究 |
| 7. | Based on field geological conditions , this paper analyzes the influence law of the bulk factor of filling body on the overlaying strata movement , the stability of key strata and its influence on the overlaying strata movement under the condition of complete fill in goaf , and puts forward the allowable bulk factor of filling body of sustaining strata movement in the rational range 本文结合现场地质条件,分析了采空区全部充填条件下,充填体压缩率对上覆岩层活动的影响规律,分析了该条件下关键层的稳定性及其对上覆岩层活动的影响,提出了保持岩层移动的合理范围的充填体压缩率。 |
| 8. | Through inversion analyzing the results of inspection and observation which was applied the multipoint displacement measures and the drilling anchor stress measures to the top surface in the xianggui gypsummine eastern workings , this article will attempt to propose the deformation law of stope terrane after the underwater mine area , which provided a reliable basis for taking measures to control the strata movement 摘要为了研究湘桂石膏矿的岩体变形规律,对该矿东采区顶板岩孔多点位移计观测和钻孔锚杆应力计检测的结果进行综合反演分析,提出了水下矿区开挖后采场岩层的变形规律,为采取有效措施控制岩层移动提供了依据。 |