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Recent content by allaboutsoil

  1. allaboutsoil

    Horizontal Curves in a HDD Application

    Hello Folks, For a project in CA, I am trying to calculate the pullback stresses/loads during an HDD application to determine the pipe thickness. I have designed such a trenchless crossing before, using ASTM F1962 and the book by David Willoughby titled "Horizontal Directional Drilling"...
  2. allaboutsoil

    ACI Guideline on Differential Settlement of Concrete Footings

    Thanks for the responses. All the storage tank designs (water, chlorine, etc.) I have been involved so far included some type of foundation, either it is mat foundation or deep foundations based on the soil profile. A stable base never came to my attention as an option. How do you design that...
  3. allaboutsoil

    ACI Guideline on Differential Settlement of Concrete Footings

    Hi, I searched the forum but could not find an exact answer to my question. I hope I am not duplicating a previous question. I am designing a footing for a ground storage tank with a diameter of 110 feet. Bearing pressure will be around 1,800 psf. It looks like we can go with shallow...

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