Blasting displacement measuring method and magnetic target device for measurement
A measurement method and magnetic target technology, which can be applied in measurement devices, blasting, geophysical measurement, etc., can solve problems such as damage to mine economic benefits and reduction of ore resource recovery rate.
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[0043] This example is used for figure 1 The blasting displacement measurement of the blasting area of the open-pit mine is shown. The ore deposits in this open-pit mine contain rock types such as granite, marble, gneiss, and schist. The ore deposits are complex in shape and inconsistent in size. Surrounded by waste rock. The step height is 7.5m, the hole diameter is 165mm, and the hole network parameters are 4.5×5.0m.
[0044] The specific implementation steps of this embodiment are as follows:
[0045] Step 1: Determine the initial ore-rock boundary line 1 in the explosion area based on the resource model obtained from mine exploration and geological cataloging; use the 3D mining software Datemine to open the mine geological model file, and use the ore grade as the standard for color assignment, without ore waste The ore blocks with different grades will show obvious color differences, so as to determine the initial ore-rock boundary line, the area within the initial ore...
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