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  1. A

    superelevation

    I see , Thank you !!!
  2. A

    superelevation

    Goswami has : Rmin=S^2 / (15(0.01xe + f )) where CERM has the same formula but omits the 0.01. Which should I use ? Will appreciate any help. Thanks!
  3. A

    Consolidation Settlement

    Hi everyone, Just wanted to make sure that I was right on this. I never forget something that I discuss , so : When Solving for consolidation settlement , H (in), is the full thickness of the layer.
  4. A

    USCS

    I have to apologize, there is no such thing as a Sieve No. 16 in the problem. The correct information is sieve no.200. With respect to the % passing , I checked and the problems states the % passing by weight ! sieve % passing by weight 10 19 40 25 200...
  5. A

    Weighted Unit Cost

    Sure , A contractor has the data tabulated below relating the size, and cost of seven concrete slab projects: Project, Cost($), Area(sf) 1, 21021, 3000 2, 24180, 3750 3...
  6. A

    USCS

    The problem shows those results.
  7. A

    Solute Actual Velocity

    A series of ground water Wells are shown with a given hydraulic conductivity , soil porosity and retardation factor. Also, the elevation on each well is given. The problem asks for the solute actual velocity in (in/day). v=(k)(i)/ (n)® ... cant's find solute velocity anywhere in CERM. Im I...
  8. A

    85th percentile sped

    I only can find a definition on this speed parameter on CERM 73-4. Where can I find more examples, not sure I understand. thanks . . .
  9. A

    Weighted Unit Cost

    A contractor has the data tabulated relating the size(sf) and cost os seven slab projects. Project Cost Area 1 $21021 3000 2 $24180 3750 3 $15915 2250 The problem says to apply the weighted unit cost to find the conceptual cost...
  10. A

    Carcinogens

    where in CERM can I find information on carcinogens and its acceptable risk to humans ?? will appreciate any information.thanks
  11. A

    Hydraulic Jump

    hi , Is it safe to use delta E=(d2-d1)^2 / 4d1d2 or should I always solve for the energy loss with the upsteam velocity and the down stream velocity ( v1 and v2 ) CERM 11 edition , page 19-22 ?
  12. A

    USCS

    Hi everyone , I was solving a problem where I was classifying a soil according to the USCS system: Sieve 10 . . . . 19 % pass Sieve 40 . . . . 25 % pass Seive 16 . . . . 16 % pass I know is a Coarse Soil bacause it has lass than 50 % passing the No. 200 sieve. When I tried to keep going I...
  13. A

    liquid limit

    now I will never forget that PI=LL-PL now I have a better understanding. Its great to have another explanation rather than CERM.
  14. A

    Thermal Deformation

    thanks for clearing that out for me.
  15. A

    trapezoidal channel

    yes, I also got the same area, A. Thanks a lot, I was driving myself crazy !
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