Slope Stability

Site Characterization

Retaining Walls and Shoring


Numerical Modeling

Ground Improvement

Earthquake Engineering

GEC performs the following earthquake engineering services:


  • Site response analysis
  • Liquefaction assessment
  • Seismic hazard assessment
  • Dynamic soil structure interaction analysis
  • Slope stability
  • Development of earthquake time histories











Copyright c GEC 2016

Seattle, Bellevue, Kent

24 Roy St

Seattle, WA 98109

PH: (206) 395-3201


Salem, Portland, Vancouver

2755 Commercial Street

Salem, Oregon

PH: (503) 967-9240