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Recent content by gegk

  1. gegk

    CBR Results Valid??

    what percentage of proctor determined the cbr ?
  2. gegk

    plate test

    Is there any correlation between unrepetitive plate loading test (aastho t235 or astm d1195) and repetitive plate loading test (din18134).
  3. gegk

    Type of emulsion

    In our project, for construction of crushed stone base layer the constituent aggregates are silicate but the constituent aggregates of first asphalt layer are carvonate. What type of emulsion we must apply, anionic or cationic?
  4. gegk

    TEST FOR WATERPROOFING SYSTEM ON BRIDGES -EN13596

    In our project, supervisor wants to test waterproofing system on bridges(adhension of bitumen membrane and concrete) according to standard en13596, in situ in one of constructed bridges. But i think in this standard the test must take place in laboratory with specific conditions. Is any other...
  5. gegk

    thread367-240839

    thread367-240839 Does anyone has experience of micro-cracking technology, for cement stabilization base layer to avoid cracks?
  6. gegk

    Volume of uncompacted soil material

    Thanks all of you for your answers. Erdbau answer was what i was looking for.
  7. gegk

    Volume of uncompacted soil material

    Hi and thank all for replies I want to pay one subcontractor who constructed a embankment. The volume of embankment is 78000m3 but i must pay to him the material that he excaveted. Material is sand-gravel with MD(proctor) 2,2 t/m3 and loose density 1,67t/m3. So how much he excavate. He wants...
  8. gegk

    Volume of uncompacted soil material

    Hi, i would like help to solve this issue. I have 78000 m^3 compacted soil (gravel and sand)from river deposit (embankent construction). Max Density 2,2 t/m^3 and loose density 1,67 t/m^3. I would like to find the uncompacted material that we excavate from borrow pit. Thanks
  9. gegk

    CORRELATION BETWEEN SAND EQUIVALENT AND PLASTICITY INDEX

    i suppose silt. This standard is not saying anything.Also strange is that between values 20% and 30 % what is the soil. For these reasons i 'm asking help. It is the first time i read something like this. I know Sand Equivalent as a test for crushed aggregates (base- subbase - asphalt and...
  10. gegk

    CORRELATION BETWEEN SAND EQUIVALENT AND PLASTICITY INDEX

    Hello i would to ask if anybody knows about correlation between sand equivalent and plasticity index for soils. In Serbia there is a standard(JUS U.B1.040) that writes: if EQS=0% soil full in clay if EQS=100% soil without clay if EQS >30 % soil no plastic ? If EQS<20% soil plastic ? Thank you
  11. gegk

    Aspahlt mix design with natural bitumen

    Thank you Hoaokapohaku for your answer.Yes , the mix is produced and we have discussion about the percentage of bitumen that we must have after extrcaction test. The bitumen content is reported as a percentage of the total weight of the mix . We put 56 kg bitumen plus 8% Selenizza. What result...
  12. gegk

    Aspahlt mix design with natural bitumen

    thank you deehsmar for your answer yes, the optimu bitumen is 5.6%. My problem is that the supervisor thinks that additive has inside bitumen (>50%), after the extraction test, we must have bigger value than 5.6 %. if anybody has experience in the use of this king of additive, i would...
  13. gegk

    Aspahlt mix design with natural bitumen

    In our project, is used to asphalt wearing course bitumen 50/70 percantage 5.6% in agr. and as additive natural bitumenin percentage 8% in bitumen.This natural bitumen has melt point >180 celcious, asphaltene content more than 50% (rest sand) and is added in the mixer. my question, whta...
  14. gegk

    prime and tack coat together?

    As i know and we are using in my country, prime coat only on crushed stone base and tack coat in previous asphalt layers. Together i never use it. I hope that help's my answer
  15. gegk

    Good values for marshall stability low flow values

    40mm is 100 % next 32mm 80-100% and 25mm 70-95%. The strange is that with other aggregates (crushed river material) and the same mix design (bitumen content)the results are ok.
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