通过网络并行电法数据体的三维电阻率反演，得到矿井工作面底板下三维空间的电阻率分布特征。
With 3D-resistivity inversion technology of the net parallel electrical data, the resistivity distribution 3D mine face floor is got.
本文着重分析了分层综采工作面底板起伏变化的机理及规律，并提出了有效控制分层综采中工作面底板起伏变化程度的方法。
The floor undulation reason and law of the slicing fully mechanized faces is emphatically analyzed, and the effective methods of controlling the floor undulation is worked out.
有限元分析中模拟了底板与基础面之间、锚栓垫片与底板之间、以及锚栓与混凝土之间的接触作用。
Contact problems between concrete base surface and column base, bolt nut and neighborhood plate, bolt shank and bolt hole are simulated really.
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