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  • Users: ndjiji
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  1. ndjiji

    When to conduct pile load test

    Hi, After pile driven into soil, when is the appropriate time to conduct the pile load test (maintained load test & pda test) 1. Is the resting period for skin friction and end bearing pile is different? I read that some suggesting straight away, some said 3 days, 2 weeks and even 1 month. 2...
  2. ndjiji

    Can i use undrained value for slope stability?(application of UU test)

    Hi, Can i use the cu value (phi=0) obtained from the UU test for slope stability analysis instead of using c' value from CIU test? If no, why it is not possible to use the undrained strength for slope stability calculation. I have road embankment failure/road foundation failure and only UU...
  3. ndjiji

    Plunger for CBR penetration test

    Hi, We are trying to get a CBR penetration machine. The supplier sent us 2 penetration plungers to choose from; 1. 250mm long plunger 2. 150mm long plunger that is heavier than the longer plunger.have not weigh them but their weight are obviously different when holding them. The cross section...
  4. ndjiji

    CBR Test for pavement material

    Hi, I have questions regarding CBR test for subgrade /subbase/road base material that include compaction stage(sampel prep) - soaking stage - peneteration stage. 1. Stated in BS that the during preparation of sample/compaction test, solid base plate shall be used, then change to perforated...
  5. ndjiji

    Interbedded vs Laminated (Borehole Log)

    Hi all, Whats the difference between laminated and interbedded when used in borehole log's description. Is it laminated silty clay is the same meaning with interbedded silty clay? Then, if the layer is medium dense gravel with light brown sandy Clay ; should it be written as medium dense...
  6. ndjiji

    Skin Friction Pile shall be terminated in which layer?

    Hi,[shadeshappy] if someone could help me to understand this problem better. 1. For example if i have 8m stiff clay with underlying 10m loose sand.(only example) The pile will be mainly on skin friction. So let say i want to terminate the pile 9m b.e.g.l (including 8m into stiff clay and 1m...
  7. ndjiji

    Pile set and Pile load test - Friction pile vs End Bearing pile

    Hi, Can someone brief me the criteria of pile set and pile load test for friction pile and end bearing.Please correct me if im wrong as well. Friction pile - no set taken during driving, wait for at least 2 weeks for dissipation of negative pore water pressure n mobilisation of the friction...
  8. ndjiji

    Pile Set and Pile Load Test? - Friction pile vs End Bearing

    Hi, Can someone brief me the criteria of pile set and pile load test for friction pile and end bearing.Please correct me if im wrong as well. Friction pile - no set taken during driving, wait for at least 2 weeks for dissipation of negative pore water pressure n mobilisation of the friction...
  9. ndjiji

    Plate Loading Test

    Hi, (im not a native-english speaker,my english level is s0-s0, but i try to explain my best to you guys) i just got a method statement of plate loading test for a foundation that i need to look at.I know that the result of plate loading test will not eventually reflecting the larger actual...

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