1 / 27

Kevin M. O’Connor, P.E., Ph.D.

Kevin M. O’Connor, P.E., Ph.D. www.geotdr.com. Real Time Monitoring of Subsidence along I-70 Washington, PA Kevin M. O'Connor GeoTDR Subsidiary Geotechnical Consultants, Inc. Dec 1999. Mar 2000. I-70. Mar 2000. Oct 2000. Monitor subsurface movement using TDR. TDR. Mining Panel 4 South.

segovia
Télécharger la présentation

Kevin M. O’Connor, P.E., Ph.D.

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Kevin M. O’Connor, P.E., Ph.D. www.geotdr.com

  2. Real Time Monitoring of Subsidence along I-70Washington, PAKevin M. O'Connor GeoTDR Subsidiary Geotechnical Consultants, Inc

  3. Dec 1999 Mar 2000 I-70 Mar 2000 Oct 2000

  4. Monitor subsurface movement using TDR

  5. TDR

  6. Mining Panel 4 South Mining Panel 3 South

  7. Monitor surface movement using tiltmeters and GPS survey

  8. Transient

  9. Residual

  10. radius of influence outside draw angle

  11. Outside angle of draw Outside angle of draw

  12. AUTOMATED MONITORING • Real time, automated monitoring versus periodic manual monitoring • Call back alarm

  13. Residual sag Residual sag Compression bumps Highway Damage

  14. Residual sag & curvature

  15. Compressive curvature and bumps

  16. www.geotdr.com

More Related