The strata movement and the ground surface subsidence caused by underground mining are serious underground engineering problems.
地下开采引起的岩层移动和地表沉陷是一个非常严重的地下工程问题。
The strata movement regularities resulted from the two underlie coal seams mined and its effects to the-115 main entry were studied.
研究了下伏两煤层开采引起的岩层运动规律及其对- 115大巷造成的影响。
The pipeline deformation control criteria can be worked out by taking account of the strata movement, joint rotation and pullout of pipes, and the additional strain of pipes, etc.
管线的控制标准可以从地层移动、管线接头转角与脱开以及管线应变等方面考虑制定。
Conclusions Although void formed due to underground mining is the origin of the strata movement, side confinement of the strata played important role for the direction of the movement.
结论虽然由于无效形成地下开采,是地层运动起源,地层侧隔离发挥了该运动方向的重要作用。
With barrier pillars to decrease the strata movement along the strike, and goaf triangle pillars to decrease the strata slipping along the dip, surface subsidence could be preferably controlled.
采区边界煤柱控制走向方向的上覆岩层破坏范围,采空区边界三角煤柱控制倾斜方向的上覆岩层滑移变形,最终达到控制地表沉陷的目的。
Instead, they are other volcano types, like strata volcanoes, for example, which are a result of the tectonic plate movement.
相反,它们是其他类型的火山,比如地层火山,是板块运动的结果。
With the difference of lithological characters considered, the generalized subsidence formula for strata and surface movement is derived. Some applied fields and an example are given.
在考虑岩性差异的条件下,推导出了岩层与地表移动的广义下沉公式,最后列举了其应用意义和实例。
The preservation condition is strong in dismembering because of polycyclic tectonic movement′s superimposition in the marine strata of Yunnan-Guizhou-Guangxi Region.
滇黔桂地区海相地层经历过多旋回构造运动的叠加,油气保存的分割性强。
Under the influence point of seasonal temperature, strata temperature will increase with depth, but groundwater movement will bring abnormality to this distribution.
但由于地下水的运动影响,会产生温度分布的异常现象。
The laws on the rock strata and surface movement that have known is basically based on the rock strength, not considering exist and the effect on the subsidence laws of the fissure and the weak face.
已有的岩层与地表移动规律基本上以岩石强度为基础,很少顾及岩体中裂隙弱面的存在,及其对岩层与地表移动规律的影响。
In view of random movement and deformation of rock strata, also considering the interaction of ground-foundation-building, a building in mining area is analyzed by using this method.
并利用该方法,针对岩层随机移动变形作用,考虑地基基础上部结构的共同作用,对矿区建筑物进行分析。
Accurate prediction on the scope of strata movement is an important basis for mine design.
准确地预测岩层移动范围,是矿山设计的重要依据之一。
The characteristic of rock strata movement in mining process of a mine in Chongqing is analyzed by fractal regressive method, and the forecasting of the movement is considered.
用分形插值方法分析重庆某矿开采过程中的岩层移动特征,并探讨其预测方法。
In the local or global movement of rock mass under mining, overlying strata play a key role. The overlying strata movement is a complicated space-time process and has time-dependent feature.
上覆岩层对采动岩体活动全部或局部起决定性作用,上覆岩层运动是一个复杂的时空过程,具有时效性。
Numerical simulation was conducted using UDEC3.0 for the movement of overlaying strata and fracture development caused by the mining of upper protective layers of coal seams with close quarters.
本文利用UDEC3.0软件对近距离上保护层开采导致的覆岩移动及裂隙发育过程进行数值模拟。
Based on the strata behaviors of steep coal seams, the forms of roof breakage and movement were studied.
根据大倾角煤层采场矿压显现特点,对采场顶板岩层的运动、破坏形式进行了研究。
During overlying rock strata being fractured, the surface gas drainage boreholes may be damaged due to ground movement.
在长壁工作面通过的过程中,地面垂直钻孔可能随岩层移动而发生破坏。
The existence of a shear slip zone is proved, and the overlying strata are divided into different zones according to the rules of strata movement and characteristics of rock failure.
证实了剪切滑移区的存在,并按覆岩运动规律与破坏特征对围岩进行了分区。
Based on the model of mechanics, some functional formulae of strata and surface movement above longwall mining goaf are derived by using the displacement method of theory of elasticity.
本文在力学模型的基础上,利用弹性理论的位移函数法导出了长壁采煤法采空区上方岩层及地表移动的函数表达式,同时给出了岩层及地表最大移动值的计算公式。
The overburden strata movement is a complicated time and space process.
覆 岩层的运动是一个复杂的时空过程。
Based on the key stratum theory, the structure characteristics and movement laws of overlying strata with different mining height are studied.
运用关键层理论研究了采场覆岩结构特征及运动规律。
Then the predicting theoretic of strata movement and development at home and abroad are introduced. Thirdly brings forward main contents and key technologies of this research.
然后,论述了国内外岩移规律研究的现状及发展趋势,提出了该课题研究的主要研究内容以及关键技术;
Based on the similar material simulation and prectical experiment in situ, the movement charactedistic of overburden strata of longwall sublevel caving method has been studied in the paper.
本文用相似材料模拟,现场实测等方法研究放顶煤开采覆岩活动规律。
Based on the similar material simulation and prectical experiment in situ, the movement charactedistic of overburden strata of longwall sublevel caving method has been studied in the paper.
本文用相似材料模拟,现场实测等方法研究放顶煤开采覆岩活动规律。
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