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Civil Engineering QUESTION #6648
Question 1
The 'Punching Shear' critical section in a flat slab is located at:
  • The face of the column
  • $d$ from the face of the column
  • $d/2$ from the face of the column✔️
  • $L/4$ from the column center
Correct Answer Explanation
For two-way (punching) shear, ACI defines the critical perimeter at a distance of half the effective depth ($d/2$) from the edges of the support.