×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Aluminum rectangular bus deflection and fiber stress

Aluminum rectangular bus deflection and fiber stress

Aluminum rectangular bus deflection and fiber stress

(OP)
Hello, everyone,
I am looking at how aluminum bus bar behave during short circuit situation, there will be 40ksi tension stress on the bus at the point of support if supports spaced at 5ft. By checking the Aluminum hadbook, I got Aluminum 1350-Hiii minimum yield stress is only 3.5ksi, minimum ultimate stress is 8.5ksi and elongation percentage is 35%. my question is if the Aluminum bus bar is going to break or deflect as a spagatti. Btw, the short circuit normally force is one time thing and just last couple of seconds.

Simple Yes or No will help a lot, thanks indeed.

RE: Aluminum rectangular bus deflection and fiber stress

i think you need to do a non-linear FEA 'cause 40ksi won't develop in 8.5ksi ftu Al.  i suspect that this'll show the Al will deflect like hot spaghetti.  this solution depends on whether there is a loadpath around the Al ... if there is it'll deflect, if there isn't it'll probably defelct and break.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources