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Archive for the ‘consulting’ Category

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We have just finished the InfoMine Conference on geosynthetics in mining.  I think it was a success although I had better await the evaluation forms before coming to definitive conclusions. The proceedings will be available through the InfoMine e-Store at this link.  In my opinion, this is a magnificent collection of papers on a topic that has long cried for detailed, focussed attention. For the use of geosynthetics in mining is different to the use of geosynthetics in landfills and other civil engineering application.  The mining projects that involve the use of geosynthetics are orders of magnitude larger than any other category of projects.  The challenges are greater: there are few precedents; there are no substantive regulations; and the consequences of use and misuse are greater. (more…)

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Spent today stuffing the bags to be handed to the over 150 delegates to next week’s conference here in Vancouver on Geosynthetics Mining Solutions 2014.   I also went through the volume of proceedings.  We have some amazingly interesting papers on aspects of geosynthetics use in mining new to me.  There is still time to join us on Tuesday if you push hard. (more…)

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The Tyee, a local Vancouver newspaper at this link, with some amazement recognizes with regard to the Morgenstern, Vick, and Van Zyl panel: (more…)

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ohnesans.tumblf.com_Lorenzo posing for charity calendar_by Erwoud Broeksma[1]

At this link is a great Master thesis recently completed by Genki Taguchi, a student of the University of British Columbia.  He is now back in Japan working in the coal mining industry.  Dirk Van Zyl supervised the thesis.  And if that link does not work, here is a second link.  A great job by both.  And a document which should become required reading by all in tailings. (more…)

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There is a great silence of information about the geotechnical issues possibly involved in the failure of the Mt Polley tailings dam.  No reports have been released; no letters published; no statistics provided.  Oh sure, a few old numbers of incidents in 2012, but the 2013 report is not yet ready. (more…)

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The oft-asked question I get is this: how do you prevent a recurrence of the Mt Polley failure?  I have touched on some aspects of the answer in previous postings.  But let me, here, state my opinion succinctly.  Sure to be controversial, but this is what I truly believe is necessary to prevent a recurrence of Mt Polley, at least here in BC.   At least the following should be done for every tailings facility (in BC?): (more…)

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The five pictures in this posting, were taken (by me) at the Getty Center in Los Angeles.  This place is surely a testament to genius and attention to detail.

Yesterday I was asked if Canadian guidelines are adequate to deal with the Mt Polley situation. More specifically, the questions continued: if the current Canadian guidelines regarding tailings dam safety had been implemented, would the failure have been avoided. Before I answer these questions, let us first take a look at the guidelines that are out there. (more…)

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