The relation between surface crack space and strata displacement is presented to offer guidelines to water inflow prediction.
建立地层开裂与变形的对应关系，为突水事故的预测预报提供了依据；
The stability of tunnel in mining-coal induced subsidence area is a complicated problem because of the influence of tunnel excavation and strata displacement induced by mining.
采煤塌陷区隧洞围岩稳定性，既受隧洞自身开挖的影响，又受洞下采煤引起地层移动的影响，是一个极其复杂的问题。
On the basis of key rock strata theory, transferring rock beam structure and the law of the overlying strata displacement and the surface subsidence theory, we deduced offset error formula.
以关键层理论、传递岩梁理论以及采场上覆岩层及地表移动规律理论为基础，推导出岩梁抗弯刚度的误差补偿公式。
The method for calculation of displacement in transversely isotropic elastic strata which formulate to different external static load is a improvement upon existing methods for dynamic problem.
通过对原有动力问题求解方法的改进，得出横观各向同性层状场地在静力荷载作用下的位移求解方法。
The numerical results show that the displacement of the overlying strata is nonlinear, and it gets smaller with the increase of the roof height.
数值模拟结果显示上覆岩层的移动是非线性的，上覆岩层的沉降位移随着距离采场顶板的高度增大而减小。
The displacement Angle of strata has a great bearing on the size of coal pillar for protection of buildings on very thick unconsolidated layers, and has a great economic potentials.
地层移动角参数对巨厚松散层矿井的建筑物保护煤柱尺寸影响很大，经济潜力十分巨大。
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 hurtlement of polymer solution along high permeable zones in reservoir strata is an important factor affecting the oil displacement efficiency in polymer flood in Daqing.
聚合物溶液沿高渗透层突进，是影响大庆油田聚合物驱效果的一个主要因素。
The hurtlement of polymer solution along high permeable zones in reservoir strata is an important factor affecting the oil displacement efficiency in polymer flood in Daqing.
聚合物溶液沿高渗透层突进，是影响大庆油田聚合物驱效果的一个主要因素。
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