Technical Articles & Documents

• Helical Piles for Power Transmission Lines (pdf)
  Mohammed Sakr, Ph.D, P.Eng. (July 2008)
  
  
• Structural Magazine Article on Screw Piles (pdf)
  
  
• Predicting the Axial Capacity of Screw Piles Installed in Western Canadian Soils (pdf)
  Kristen Tappenden (Spring 2007)
  
  
• Screw Piles: Use and Design (ppt)
  Kristen Tappenden (November 2006)
  
  
• Load Capacity Testing and Analysis of Residential Underpinning in Expansive Clay (pdf)
  W. Thomas Witherspoon (May 2006)
  
  
• Numerical Modeling of Time Dependent Pore Pressure Response Induced by Helical Pile Installation (pdf)
  Alexander Vyazmensky (February 2005)
  
  
• Installation and Load Testing of Helical Piles in a Sensitive Fine-Grained Soil (pdf)
  Christopher Weech (April 2002)
  
  
• Screw Anchor Test Program (Part I) Instrumentation, Site Characterization and Installation (pdf)
  Zhang, Chalaturnky, Roberston et al.
  
  
• Screw Anchor Test Program (Part II) Instrumentation, Site Characterization and Installation (pdf)
  Zhang, Chalaturnky, Roberston et al.