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  1. Nr Ahmad

    Settlement of Cohesive Soil

    Once for an Unsaturated CL-ML soil the lab reported only elastic settlement and consolidation settlement as 0; I have asked the reason, The lab clarified that Consolidation means expulsion of water from a saturated soil sample due to an increased load and since the soil is not saturated there is...
  2. Nr Ahmad

    Settlement of Cohesive Soil

    First of all thanks for you time and comments on this issue. As I stated earlier in our area the soils at foundation level and well below that are mostly found in an unsaturated state (I think the saturation is significantly below 70%) termed as the Vadose Zone, saturated soils are rarely...
  3. Nr Ahmad

    Settlement of Cohesive Soil

    [pre]Hi Dears. In our Region most of the soils encountered at foundation levels are Unsaturated Clay and silts (CL, CL-ML, GC) The ground water table is usually (10 - 40+ meter) below the foundation level, So if the soil is not saturated can I assume that there is no consolidation settlement of...
  4. Nr Ahmad

    Drained and Un-drained Condition

    @ BigH, There is a report of a Parallel T-line around 300M from the current route, it shows that the soil is Over-consolidated, they have carried out Direct Shear tests in CD mode, the C value is around 3-5 KPA, and PHI around 20-30deg. The allowable tolerance for differential settlement is...
  5. Nr Ahmad

    Drained and Un-drained Condition

    @GeoEnvGuy, The soil is in Stiff to Hard Condition (SPTN 10-Above 32)Not sure if Turning Vanes will be possible, Tri-Axil tests not available in our area, How this could help in justifying the drained failure mode?
  6. Nr Ahmad

    Drained and Un-drained Condition

    @Oldestguy, Thank you, Our project route has been designed for a wind speed of ~100 km/h, normally there will be Wind speed around ~30-35 Km/h once or twice per week, You mean if any time during the project's life time, it may suffer from the max wind (100KPH) and the foundation bed will be...
  7. Nr Ahmad

    Drained and Un-drained Condition

    Hi, I am working for a Transmission line Project (Civil Part), Our project Route traverses mainly through a soil of CL-ML type (fine grained soil), The ground water level at site is mainly 10-30 meter below the intended foundation depth (3.75 m), the soil at foundation level is expected to...

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