×
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

Geophysical Methods, detecting voids in clayey material
3

Geophysical Methods, detecting voids in clayey material

Geophysical Methods, detecting voids in clayey material

(OP)
I'm looking for any tips regarding subsurface site assessment using geophysical methods.

What is the best method out there for detecting voids & anomolies in a dike built from clayey material?  I only need to go to a depth of 25 - 30 feet.  (I do plan on "ground truthing" with borings.)

I've got a copy of the ASTM that deals with this issue (D 6429), but any practical knowledge is appreciated.


Thanks!

RE: Geophysical Methods, detecting voids in clayey material

I'd check out manually activated seismic gear also. You would want a scope read out method so you can see faint echos. Then calibrate with borings.  You are likely to be disappointed with resistivity.

RE: Geophysical Methods, detecting voids in clayey material

I suggest that you also consider ground penetrating radar; again with any anomolies confirmed by drilling.

RE: Geophysical Methods, detecting voids in clayey material

With GPR, beware the common problems with clay soils.

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