Method of blasting multiple layers or levels of rock
A rock formation and blasting hole technology, applied in blasting, earth-moving drilling, surface mining, etc., can solve problems such as unproven substantial improvements, and achieve the effect of reducing possibility and improving productivity
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[0070] Referring to the accompanying drawings, various implementations of the blasting method of the present invention are only introduced by way of example, wherein:
[0071] figure 1 Shown is the general idea of the inventive method;
[0072] figure 2 Shown is a first specific embodiment of the method of the invention;
[0073] image 3 Shown is a second particular embodiment of the method of the invention;
[0074] Figure 4 Shown is a third specific embodiment of the method of the invention;
[0075] Figure 5 Shown is a fourth particular embodiment of the method of the invention;
[0076] Figure 6a and 6b shown in accordance with Figure 5 Plan and cross-sectional views of the blasts described in examples of the illustrated embodiments;
[0077] Figure 7 Shown is a kind of blasting method of the present invention, and it has obtained differential crushing result;
[0078] Figure 8 is similar to Figure 6a , but belongs to another blasting method of th...
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