Recent content by Dhaval Thanki

  1. Dhaval Thanki

    What happens when sugar is added to concrete?

    If we used as surface retarder then any effect will be on strength ??
  2. Dhaval Thanki

    To increase concrete flow mixing additional water or admixture on TM at site is impact on strength of concrete or any ??

    In this situation how much dosage of admixture to be added ? It shall be as per approved design mix ??
  3. Dhaval Thanki

    Test Method of Sand Silt content

    What should be acceptable limit for silt content by volume ? As per IS 383 Table 2 , 3% allowed for un-crushed and 15% for crushed sand by Mass.
  4. Dhaval Thanki

    Test Method of Sand Silt content

    Which is best method to find out accuracy of Silt content of Sand By 75 micron IS Sieving method OR By measuring cylinder method ?
  5. Dhaval Thanki

    Fine and Coarse aggregates testing

    what is reason to doing gradation , silt and FI & EI test for coarse and fine aggregates on weekly basis ? it can be done lot wise ??
  6. Dhaval Thanki

    Question regarding column pouring height

    Can you please share the photo of created Window in column ? If available with you.
  7. Dhaval Thanki

    What is purpose of Standard deviation calculaton for Cube Strength ?

    I have read your article. I have one more question regarding this. What should be frequency to check standrad deviation at site ? Monthly or when design mix is changed ?
  8. Dhaval Thanki

    Standard Deviation Calculation

    It is procted file. Can you please share password ? i have to prepared it for my current project. it is required to change FCK valuse as M30 grade is used in my project.
  9. Dhaval Thanki

    What is purpose of Standard deviation calculaton for Cube Strength ?

    What is purpose of Standard deviation calculaton for Cube Strength ? and When it is required ?
  10. Dhaval Thanki

    Standard Deviation Calculation

    Thanks for sharing sheet. It is very useful information.
  11. Dhaval Thanki

    Anyone have slab scafolding design for building project ?

    Anyone have slab scafolding/shuttering design for building project ?
  12. Dhaval Thanki

    Query for Brick compressive strength results

    There are 5 samples taken to check brick compressive strength. Results are following : 1. 6.52 2. 6.09 3. 13.5 4. 6.96 5. 5.22 Indivisual results are below 7.5 but the avg result is 7.65 N/mm2. ( As per spec . strenght should be more than 7.5 ) So results are passed or failed ??
  13. Dhaval Thanki

    How to repair columns ??

    Thanks for sharing the procedure.
  14. Dhaval Thanki

    How to repair columns ??

    After deshuttering one column is found twisted and second column width is found 240 to 220 mm (Bulged). Width should be 230 mm as per drawing.