Machine-translated by Google. Questions are authored in English.
Top

Discussion

Damping in a structure is usually expressed as

  • A.a stiffness in kilonewtons per metre
  • B.a percentage of critical damping
  • C.a force in kilonewtons
  • D.a period in seconds

Answer: B

Critical damping is the value that just prevents oscillation, and real structures are a small fraction of it, commonly 5 per cent for reinforced concrete. Expressing it as a ratio makes it independent of the size of the structure.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.