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!

*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.

Jobs

Lightly & Heavily Overconsolidated Soil

Lightly & Heavily Overconsolidated Soil

(OP)
Hello all,

I'm a newbie in the Geotechnical world but what exactly is lightly and heavily overconsolidated soil, I don't understand the differences between them.. I understand that an overconsolidated soil is a soil which is experiencing a current state of stress less the maximum stress it has experienced in its load history.

Thanks

RE: Lightly & Heavily Overconsolidated Soil

Peck Hanson and Thornburn (page 98) addresses "heavily" overconsolidated clays - or strongly, in their words - as having an OCR of greater than 6. From memory, there is no "distinct" point at which the OCR says "lightly" or "heavily".

RE: Lightly & Heavily Overconsolidated Soil

Right or wrong I typically think of the difference in terms of critical state soil mechanics where heavily OC soils tend to dilate under drained shear and normally to lightly OC soils tend to contract. Then the OC ratio associated with drained shearing at no change in void ratio would define the condition between lightly and heavily OC'ed. That all sounds good and exact but things are rarely that neat and tidy, but I do use this to think about how pore-water pressures may generate during shear (i.e. if a clay is lightly OC'ed and sheared rapidly I would expect positive pore-water pressures to generate and I would consider an undrained analysis).

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


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close