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  • Users: jrl802
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  1. jrl802

    Hydraulic Conductivity for Larger Stone

    We are looking to execute an "emergency" repair where we utilize "baby" A stone to build a dike that can retain (some) water or at least reduce flow across a flood plain until it overtops. The structure is basically a dike. The referenced material is what is most readily available on site. Top...
  2. jrl802

    ASTM D4944 Standard Test Method for Field Determination of Water Content of Soil by the Calcium Carb

    We have an earthfill embankment job were we are providing a method spec for compaction. The spec only allows for CL and CH materials. So we specify equipment, weight, pressure and number of passes. It is being recommended that we use the above referenced ASTM and associated equipment to performe...
  3. jrl802

    Jetting Sheet Piles for a Temporary Retaining Structure

    Does anybody have experience in successfully utilizing “jetted” sheet piles as an installation method for sheet piles that were going to be used as part of a temporary retaining structure (TRS)? I have never encountered a need to use jetting for installation and have always been skeptical of...
  4. jrl802

    Coring through low strength materials

    Hello, I’m trying to get some general feedback on the benefits or problems with coring through low strength material in order to validate permeability requirements are within specifications. The material is testing at about ~200 psi 28 day right now. I have heard both good and bad things from...
  5. jrl802

    Tapered Steel Piles

    Can anyone provide me some information about tapered steel piles. I'm mostly looking for manufacturers but any other info will also be helpful. I know that traditionally tapered piles have been timber because of the natural taper but I am working with a structural engineer and he is showing...
  6. jrl802

    How close is too close when driving piles

    Hello all. I am working as the geotech engineer on a project where we will need to drive some sheet piles and some timber piles in a heavily urbanized area. We will be very close to existing piles for bridges, etc.. Is there any information out there be it papers, guidance, etc... That could...
  7. jrl802

    seepage cut-off wall and relief wells

    Hey all this is my first post so bear with me. We have this levee that needs underseepage control for about 1980 ft of its length. The levee is set on a fine-grained (CL/ML) layer of soil that varies in thickness and this sits on top of a permeable sandy aquifer that can be anywhere from 60-150...
  8. jrl802

    seepage cut-off and relief wells

    Hey all this is my first post so bear with me. We have this levee that needs underseepage control for about 1980 ft of its length. The levee is set on a fine-grained (CL/ML) layer of soil that varies in thickness and this sits on top of a permeable sandy aquifer that can be anywhere from 60-150...

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