Testing GEWI® Piles

DYWIDAG THREADBAR® stress-strain diagram
DYWIDAG THREADBAR® stress-strain diagram

Micropiles

Design Methodology

The GEWI® Pile design follows currently available methods for micropile, standard pile and earth anchors. As per FHWA-SA-97-070 Manual, minimum recommended design steps are:

  1. Review project information in regards to pile layout, loading requirements, access and overhead clearance
  2. Review geotechnical data for soil properties, design parameters, corrosion protection requirements, grout-to-ground parameters, bond length, pile spacing for group effects
  3. Structural design should include:
    • Anticipated settlement/required stiffness analysis
    • Lateral load pile capacity/ Anticipated lateral displacement
    • Buckling of the pile/soil lateral support
  4. Additional structural details such as: case and uncased length, strain/ductility of the steel, transition between case and uncased section, reinforcement splice connections, pile to footing connection, corrosion protection
  5. Load testing program and quality control requirements
DYWIDAG THREADBAR® stress-strain diagram
DYWIDAG THREADBAR® stress-strain diagram