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定向岩芯的地面处理包括以下内容:定向误差的检查;定向回次成败及精度等级的判定;定向失败回次的挽救;刻划最低母线;结构面参数的测定;非扰动定向岩样的处理等。经过地面处理后的定向岩芯其上面有作为定向标志的最低母线,其岩芯上的结构面均已测取了必要的参数,并以表格的形式向地质人员提供定向资料。通过这些资料,地质人员即可了解到钻孔的定向情况。如定向误差、精度、结构参数,定向成功率等。 为了进一步完善和发展定向岩芯的地面处理,笔者现就以下几个问题进行探讨。
Ground handling of directional cores includes the following: inspection of directional errors; determination of the success or failure of directional backfill and level of accuracy; salvage of directed failure; evaluation of minimum busbars; determination of structural plane parameters; handling of undisturbed oriented rock samples Wait. After the surface treatment of the directional core above which there are as the minimum orientation of the bus, the core structure of the surface have been measured the necessary parameters, and to form the form to the geology staff to provide directional data. Through these data, geologists can understand the orientation of the borehole. Such as directional error, accuracy, structural parameters, directional success rate. In order to further improve and develop the directional core of the ground handling, the author now on the following issues to be explored.