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  1. phafan

    Direct shear -- Normal stress and residual

    I am rarely in the lab, when I got the results, 2 questions I have: 1)I an comfortable with using the normal stress for 3 points at 700, 1400, 2800 psf (double the number), but I also see people use 1000, 2000, 3000 psf. I want to make sure both ways can get the same C & Phi, because I don't see...
  2. phafan

    Where to sell used geotech equipment ?

    did you sell them yet? I need something for lab. phafanlin@yahoo.com
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