Download Mine Planning and Equipment Selection - MPES 2010 by Topal, E.; Kuruppu, M. (Eds.) PDF

By Topal, E.; Kuruppu, M. (Eds.)

The nineteenth foreign Symposium on Mine making plans and kit choice (MPES 2010) has been famous as one of many best boards for selling foreign expertise move, with the focus on all facets of mine making plans, in addition to mining apparatus. those court cases from the nineteenth foreign Symposium on Mine making plans and gear choice hung on December 1-3, 2010 in Fremantle, Western Australia, comprise eighty papers. the various issues coated within the court cases comprise: advances in floor and underground mine making plans layout and machine program; drilling, blasting and excavation engineering; environmental matters; automation; gear choice, usage and upkeep; feasibility case experiences; overall healthiness and security; mine making plans and block modeling; mining tools and making plans; mining method tracking and simulation; rock mechanics, geotechnical functions and mine atmosphere and sustainable improvement.

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CONCLUSIONS With the IPCC mining approach being studied for an increasing number of applications, it is believed the MPOS evaluation tool is useful to engineers and those involved in the evaluation. One of the features of MPOS is that is can be customised to cover a range of IPCC scenarios, up to and including, a full blast to final product study. In addition the study can be run with a varying time base (years to seconds) and to different levels of detail, dependent of the stage of the study. It is believed that the ability to analyse IPCC to the same degree as the usual mining methods will provide a fuller picture of the total value proposition for IPCC and an improved idea of the true comparison against more traditional mining methods.

Thus, revenues are brought forward with resultant benefits in NPV. FIG 9 - Average processed grade schedule. From a production forecasting perspective, this type of analysis is useful in defining the uncertainty in metal production by period (Figure 10). While the CSO case reports a very high grade in year 4, there is a large amount of uncertainty in the grade achieved. 7. This optimisation recommends stockpiles as a method to deal with grade uncertainty for this case. This is despite the application of high cost penalties on stockpiling addition and reclamation.

This paper integrates the approaches of Menabde et al (2007) and Elkington and Durham (2010). The approach considers a fixed pushback design, but provides the ability to adjust production capacities, raise cut-off grade and stockpile material as a mechanism to manage risk and sometimes benefit from grade uncertainty. A case study is used to demonstrate the outcomes of this approach. METHOD The method is an extension on the MIP formulation provided in Elkington and Durham (2010). A visual representation of the process is shown in Figure 1.

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