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Recent content by luke648

  1. luke648

    Effects of Acid on Plasticity of Clay

    TDAA, Thanks for the comments. From what you are saying it sounds like there could be some rationale for acidic water to influence swell potential given the right soil/water conditions? I took samples from both the affected area and from a "neutral" area not affected by the runoff for that...
  2. luke648

    Plasticity of Clay in Acidic Environment

    Dik, thanks. It sure is interesting. I guess the moral to the story is to practice good housekeeping any keep any kind of runoff away from foundations! I will post any developments. Thanks again.
  3. luke648

    Plasticity of Clay in Acidic Environment

    Dik, thanks for the comments. The study I found focused on the effect of acidic liquids discharged during mining processes on clay liners of disposal sites. The study agrees with what you stated in that water adsorption was increased due to changes in the bonds due to the effects of the...
  4. luke648

    Plasticity of Clay in Acidic Environment

    BigH - my apologies. I am afraid I am not familiar enough with the forum, and since it was an oddball topic, I was hoping for as much exposure as possible - especially civil/environmental folks who may not monitor geotech/structural posts! Anyway, I am still looking forward to any experiences...
  5. luke648

    Plasticity of Clay in Acidic Environment

    I am currently working on a project in a chemical plant evaluating what appears to be heaving soils. Concrete paving is heavily cracked, tanks in the area are leaning, etc. In this particular area, there had been a problem with acidic water (sulfuric acid used in process)leaking onto the area...
  6. luke648

    Effects of Acid on Plasticity of Clay

    I am currently working on a project in a chemical plant evaluating what appears to be heaving soils. Concrete paving is heavily cracked, tanks in the area are leaning, etc. In this particular area, there had been a problem with acidic water (sulfuric acid used in process)leaking onto the area...
  7. luke648

    Reduced anchor wall capacity

    I am designing a sheet pile retaining wall that will utilize a continuous sheet pile anchor wall. The wall is being constructed along an existing sloped roadway embankment to facilitate widening of the road and the anchor wall will be located under the existing roadway. There are some site...
  8. luke648

    Calculating Av Coefficient from Av

    JAE, I appreciate your timely response, sorry mine is not as timely! You are absolutely right, the structural should be using the same code (one code) as required by the governing body. The structural did not pursue using new factors with the old code; however, we found that the following...
  9. luke648

    Calculating Av Coefficient from Av

    This is probably a pretty fundamental question, but it is not one I have had to address before. I'm a geotechnical engineer working on a project for which the structural engineer has requested an effective peak velocity-related coefficient (Av). The project is located near Birmingham, Alabama...

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