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Civil Engineering QUESTION #6634
Question 1
The modulus of rupture ($f_r$) of concrete is used to estimate:
  • The ultimate compressive strength
  • The cracking moment of a section✔️
  • The shear capacity of the web
  • The bond strength of the bars
Correct Answer Explanation
The modulus of rupture is the theoretical maximum tensile stress at the bottom fiber of a beam that causes the concrete to crack.