What Are the Sequence of the Stop Codons?
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Figure 5 – Primary and secondary stope extraction sequence for a shallowly plunging orebody. P1, primary stope cemented fill; S1, secondary stope unconsolidated fill. The numbers show the sequence of stope extractions. In order to maximize the extraction ratio, waste-rock should not be blasted along with the ore.
Can a primary stoping sequence work on low grade orebodies?
Primary and secondary stoping sequences can work as with high grade orebodies before. Similarly low grade orebodies may require permanent pillars as sacrificed ore due to the economic value of such a pillar.
What is the purpose of pillarless stope sequencing?
Center-out, pillarless stope sequencing is a method used to eliminate the need for secondary stopes. By extracting small stopes at the center of the orebody and advancing outwards towards the surrounding host rock (Figure 8), a slow rate of convergence of the host rocks can be achieved.
Can a sequencer be used as a stop driver?
Yes. sequencer_h.stop_sequences () See for what you need to do and what you need to be careful about with an active driver.