Author Archives: John Carson

Can a tank designed to store a liquid be used to store a bulk solid?

Clients sometimes ask me if a storage tank that was designed – and often being used – for storing a liquid can be converted to store a bulk solid. Basically they are asking, “Will the material-induced loads exerted by my … Continue reading

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Beware the hazards of collapsing bulk solids

Recently there was a sad and sobering story on the news: three girls died after they were buried in canola seed while playing on a grain truck at their family farm in Alberta. One girl was 13 and her twin … Continue reading

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Silos must be treated with respect

Some recent news headlines paint an alarming picture: “Cement worker’s body discovered in Bristol silo collapse“ “Worker presumed dead after fall in silo roof collapse in Medley“ “Two workers killed when silo collapses in Nueva Palmira“ “Truck driver killed after … Continue reading

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Slow and steady progress – ASTM D18.24 subcommittee updates

Sometimes progress occurs so slowly that it appears that nothing is changing.  Looking back over the last two decades, it is clear that the importance of characterizing and using the flow properties of bulk solids in design is becoming mainstream. … Continue reading

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Death of a Bulk Solids Pioneer

  I just learned that Abraham Goldberg was killed in Jerusalem last month. The BBC news item link below gives details: http://www.bbc.co.uk/news/uk-30100918 Abraham initiated conferences on silos, bulk solids and pneumatic conveying in the UK, Chicago and elsewhere in the … Continue reading

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Jenike Centennial is a Time for Reflection

  1914 — 100 years ago – was a time of tremendous change. Henry Ford opened the world’s first assembly line (for the Model T). The world’s first airline, St. Petersburg Tampa Airboat Line, started operation. W.H. Carrier patented the … Continue reading

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What Happens When Bulk Solids Specs “Don’t Get No Respect!”

When it comes to descriptions of bulk solids in contract specs, I’m reminded of the old Rodney Dangerfield wail, “I don’t get no respect!” All too often they’re forgotten by one or both parties until something does go wrong, and … Continue reading

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The Global Status of Bulk Materials Handling 2013

The British Materials Handling Board recently published an interesting review of our industry titled “The global status of bulk materials handling 2013”. Written by Tom Taylor and edited by Lyn Bates, the subtitle of this publication is “A survey of … Continue reading

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Silos Design Limits

  I have spent my entire professional career – now approaching 43 years – at Jenike & Johanson. Working with clients to solve or prevent problems involving the storage, flow and processing of bulk solids has been both challenging and … Continue reading

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Bulk Solids-60th Anniversary for Jenike

As Andrew Jenike approached his mid- to late-30’s he began getting restless. He wanted to do something unique, something that would set himself apart, something that would be worthwhile. He started by reading and collecting articles on every conceivable subject, … Continue reading

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