×
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

stress and strain

stress and strain

stress and strain

(OP)
when a beam (concrete or steel )subjected to load
which parameter develop first
is it stress or strain or both simultaniously

RE: stress and strain

They exist simultaneously and are related by Young's modulus, at least in the linearly elastic region. Plasticity makes for a bit of difference, but permanent set (i.e. strain) will have some amount of residual stress associated with it.

RE: stress and strain

Though stress and strain occur simultaneously , Strain (deformation)is a fundamental physical quantity, observable and measurable, whereas stress is a concept which is only 'felt' or 'reckoned'. Stress is defined as force per unit area and its presence is felt and quantified only through the measurement of strain.

RE: stress and strain

stress develops first.when the load is applied stress is developed which in turn strain is developed in the tension side.

RE: stress and strain

liaisoneng and trilinga are correct.  Stress and strain goes hand in hand.  i.e. for steel in elastic range, e=ES where e=Strain, E=Young's Modulus and S=Stress

FYI you can get, and in some cases will get, compressive strain along with tensile strain depending on how your member behave under loading.  ie. in purely compressive loading, your member will undergo compressive straining.  In positive bending (smilie face deflection) your member will undergo compressive straining at the top and tensile straining at the bottom.

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