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  • Users: GeoEnvGuy
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  1. GeoEnvGuy

    CFEM 2023 5th Edition

    I have been bothering my local CGS chapter about this for many years but it has finally arrived the 5th edition. I gave it a quick look over and found that this edition has been significantly reorganized and lengthened. The new chapter on instrumentation seems to be quite lengthy but as with the...
  2. GeoEnvGuy

    Social Distance Poem from Geostrata

    Social DistanceIN SECTION: GEO POEM By Mary C. Nodine, PE, M.ASCE As a young engineer, I spent my days In rain, or sun, or snow, or haze, With micropiles and drilling rigs. Some job sites were small, and some were big, But on each dam, each city block, Every strip mall, I’d take stock...
  3. GeoEnvGuy

    High pitched sound in house

    Hello I am trying to determine what is causing a high pitched sound near my side door. I tried turning off the power for over half an hour and natural gas. Tried banging on the walls and went to the roof to check the roof vents. The sound started a couple of weeks ago and I cannot think of any...
  4. GeoEnvGuy

    Expert Report for Brumadinho On January 25th, 2019

    The expert report has been released for the tailings dam disaster. http://www.b1technicalinvestigation.com/ In summary, the following history created the conditions for instability in Dam I: • A design that resulted in a steep upstream constructed slope; • Water management within the tailings...
  5. GeoEnvGuy

    Tailings dam failure in Brazil October 2019

    15 m tall gold tailings dam failed and the outflow went 2km. Looking at the video it appears that the perimeter dam slumped and only part of the contained tailings overtopped. It doesn't appear to have fully eroded the perimeter dam shell which would have caused a larger loss of material...
  6. GeoEnvGuy

    Dam Failure Vale Brazil Jan 25, 2019

    Breaking news, 11 dead hundreds missing after a release of a tailings dam. https://www.mercurynews.com/2019/01/25/brazil-tailing-dam-bursts-200-people-missing/ Slideshow pictures...

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