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Recent content by Nkamu

  1. Nkamu

    7 days concrete strength

    Thank you all guys for your good contribution. I would like to inform you that, we have resolved the problem by making 3 cores from the bridge deck and crushed them. Crushing strength obtained were well above 30 MPa. Hence the problem has been resolved. Thank you very much!
  2. Nkamu

    7 days concrete strength

    Thank you Ron for responding to my question. Anyway I am still looking for the source of this big discrepancy in the concrete results.
  3. Nkamu

    7 days concrete strength

    Hi All, I got concrete crushing strength of 18 MPa for 7 days and 52 MPa for 28 days test results. These results are completely confusing me. The mix design target strength is 30 MPa and the concrete has been placed on the bridge deck, what should I do with this results? What measures should I...
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