Designing Concrete for Unreinforced
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Questions and Answers

What is the specified 28-day concrete flexural strength for the pavement?

  • 5.7 MPa
  • 3.7 MPa
  • 4.7 MPa (correct)
  • 6.7 MPa

    • What is the bulk specific gravity of the coarse aggregates?

  • 2.70 (correct)
  • 2.65
  • 2.60
  • 2.75

    • What is the moisture content of the fine aggregates above the SSD condition?

  • 1.5%
  • 3.5%
  • 5% (correct)
  • 2.5%

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