Get the New FHWA Drilled Shaft Manual

Get the NCHRP Synthesis 418 – Pile Criteria From Test Pile Data

Dan’s Speaking Schedule

September 12-13, 2012: Concrete used in Drilled Shaft Construction - ADSC/DFI Drilled Shaft Seminar - Denver, Colorado

October 26, 2012: Factors Affecting the Selection and Use of Drilled Shafts for Transportation Infrastructure Projects - 26th Central Pennsylvania Geotechnical Conference - ASCE/DFI - Hershey, Pennsylvania

Other DBA Team Speaking Appearances

John Turner (September 12-13, 2012): Analysis & Design of Drilled Shafts - ADSC/DFI Drilled Shaft Seminar - Denver, Colorado

John Turner (September 12-13, 2012): Techniques for Drilled Shaft Construction - ADSC/DFI Drilled Shaft Seminar - Denver, Colorado

Conferences, Meetings, Seminars, Workshops

Services

DBA Statement of Qualifications – February 2012

 

List of Significant Projects

Summary of Bridge Experience

Summary of Base Grout Experience

 

Our services for deep foundations include design and construction issues for:

  • Drilled Shafts (Conventional and Base-grouted)
  • Auger Cast-in-Situ Piles (Conventional CFA and Drilled Displacement Piles)
  • Micropiles
  • Driven Piles

While specializing in deep foundation systems and slope stability problems, we also provide our services for a wide range of geotechnical applications and problems. Our list of services includes:

  • Ground Improvement
  • Foundation analysis and design
  • Dynamic foundation analysis and design
  • Slope stability analysis and design
  • Earth retaining structure analysis and design
  • Consulting for general geotechnical practitioners
  • Peer review for general geotechnical practitioners
  • Owner review of geotechnical services
  • Value engineering of foundation systems
  • Design-Build project team support
  • Load testing program design, execution, interpretation, and application
  • Integrity testing evaluation
  • Construction problem resolution
  • Foundation failure investigations and remediation design
  • Expert witness
  • Short Courses, Seminars, Technical Presentations

Archives

GeotechSearch.com

DBA Photo Albums

ADSC SE Drilled Shaft Research Project, Lawrenceville, GA Test SiteDBA Honors and Awards
JJA Pictures from Chris Ursery (FIGG)Hastings Bridge Construction
Ownesboro Hospital Ground ImprovementArtistic Construction - Vol 1
JJA Construction 2010LPV-145 Test Piles 2009-2010
DFI 2009JJA Construction - Shaft 3W South Load Test - October 2009
Huey P. Long Bridge Drilled Shafts - October 2009JJA Construction - Pier 2W - September 2009 Photos
Univ Kansas Research - Lateral Load Test on Drilled ShaftsHuey P. Long Bridge, New Orleans - Test Shaft Construction - July 16-19, 2009
GIWW West Closure Complex Test Piles June and July 2009Garden State Parkway Mullica River Bridge - Test Shaft Construction - June 2009