Soil Confusion

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Avery Smith

November 02, 2024 19:12

I haven't seen any textbook or study aid address this yet - I get so confused when "silty sand" or "clayey sand" or other soil mixtures are thrown around in soil reports. I'm sure there are other variations but how are you determining where these mixtures land on bearing capacity levels, etc. 

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  HaythamNCARB November 03, 2024 03:38

  In the soil report, coulmn for “ Blows per 6 “ , the result of Standard Penetration Test ( SPT ) will reveal the soil bearing capacity, Blows / FT will explain how the soli can support building relative to soil depth & how expensive it can be. For instance with Auger Fefusal or the presense of bedrock the excavation for basement likely to be prohibitively expensive.

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  cmnoorhasan2023 November 06, 2024 21:19

  Hi Avery!

  Fundamentals of Building Construction Materials and Methods Chapter 2 foundations and site work is helpful!

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  mermann November 08, 2024 10:13

  Avery, that’s a GREAT question….watch this video and I promise you will own this concept… https://youtu.be/MX-l6epLrMs?si=uTO2xehHujKOt8Nv

  -Michael Ermann
  Amber Book creator

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  yulinpeng December 03, 2024 04:35

  On top, see below a chart from the Ballast book that gave me a lot of clarity and hopefully enough for the purpose of the exam!

  
  

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