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  1. DScintille

    Shotcrete Faced Reinforced Soil Slope

    I don't think we will be considering soil nails in the fill (Reinforced Soil Slope), but we are considering using deadmen embedded within the reinforced soil. We are primarily focused on getting shotcrete prices for budgetary purposes right now. I'll call the DOT as you suggested. Thanks...
  2. DScintille

    Shotcrete Faced Reinforced Soil Slope

    Agreed. We have designed many soil nail shotcrete walls (primarily in the northwest), but I have never done one on an RSS. We are looking at installing deadmen anchors to tie the facing to the slope. Does anyone have contact information for a reputable shotcrete contractor that does at...
  3. DScintille

    Shotcrete Faced Reinforced Soil Slope

    We are in the process of designing a reinforced soil slope (RSS) for a client/owner. The slope is part of a containment dike for a tank. The slope has to have a facing that will not promote vegetation growth. We're contemplating either a shotcrete or geomembrane facing. Does anyone have...
  4. DScintille

    Tolerances for gravity sewer horizontal bore under highway

    We are advising our state DOT on a project where they must bore under an existing state highway for a gravity sewer. The pipe must be at 1% minimum grade. The state DOT specs state the minimum tolerance should be 0.5 feet per 100 feet. We'd like to tighten up the spec a bit to keep the mom...
  5. DScintille

    HDD Hydrofracture

    Is anyone familiar with hydrofracture calculations for Horizontal Directional Drilling based on the Delft Geotechnics method? I am particularly interested in the reason the pore water pressures are added to the total stresses instead of the effective stresses when computing the maximum mud...
  6. DScintille

    Help - Maximum Dry Density for Oversize Particles

    I am familiar with ASTM D-4718 (Correcting MDD with Oversize Particles). We have a soil sample that is coming up with a MDD of 142+ pcf with the rock correction. This seems a little high for the silty sand with gravel that we are using. I remember in my intern days using a manual...

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