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Advanced detector system and method using forward three-dimensional induced polarization method for TBM construction tunnel

机译:TBM施工隧道中采用正向三维感应极化法的先进探测器系统及方法

摘要

Disclosed is an advanced detector system and method using a forward three-dimensional induced polarization method for a TBM (Tunnel Boring Machine) construction tunnel. A narrow detection space of a full-face excavated tunnel is fully used, a controller controls doors of a source and measuring electrode compartment and a shielding electrode compartment to open and controls a corresponding hydraulic delivery device to automatically and quickly arrange a source electrode system, a measuring electrode system and a shielding electrode system. Under the action of a shielding current system, tomography detection supply current is directed ahead of the working face. Three-dimensional geologic information can be obtained, and the relationship between an induced polarization half-decay time difference and a water quantity can be used to quantitatively forecast the water quantity of a water-bearing body, and meanwhile, the half-decay time difference parameter has a high capacity of distinguishing free water from bound water.
机译:公开了一种用于TBM(隧道钻孔机)施工隧道的使用正向三维感应极化方法的高级检测器系统和方法。充分利用了掘进隧道的狭窄检测空间,控制器控制着源电极和测量电极室和屏蔽电极室的门打开,并控制相应的液压输送装置来自动快速地布置源电极系统,测量电极系统和屏蔽电极系统。在屏蔽电流系统的作用下,层析成像检测电源电流被引导到工作面之前。可获得三维地质信息,利用极化半衰期与水量之间的关系定量预测含水体的水量,同时预测半衰期该参数具有区分游离水和结合水的高能力。

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