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Geotechnical Engineering Services

Creating stable slopes and foundations

Aspect develops practical geotechnical solutions for challenging settings. Our geologists and engineers apply state-of-the-art technologies to meet your end-use goals. Each project begins with a thorough geologic analysis of the site. Before performing an engineering analysis, we develop an integrated understanding of the geologic, hydrologic, and soil conditions through mapping and subsurface exploration. This approach has proven successful for hundreds of projects in the Pacific Northwest — projects involving the construction of roadways, buildings, schools, dams, tunnels, outfalls, pipelines, fish-passage culverts, and earth-retaining structures.

Browse our project spotlight sections and case studies to learn more about our capabilities. Contact us for more information about how our geotechnical services can help you.

Capabilities

Geologic Evaluation & Site Hazard Assessment

  • Geologic investigations, mapping, and interpretation
  • Regional and glacial stratigraphic analysis
  • Sensitive area identification and mapping
  • Seismic and fault hazard analysis
  • Slope stability analysis

Coastal Processes

  • Coastal geology and shoreline bluff / beach analysis
  • Shoreline modification design
  • Alternative “soft” bank protection design
  • Beach nourishment and shoreline mitigation
  • Regulatory and permit assistance
  • Geotechnical engineering

Deep & Sensitive Slope Foundation Design

  • Shoring / soil-retaining structures
  • Slope stabilization and landslide remediation
  • Landslide diversion and catchment systems
  • Construction observation and dewatering design

Land Development Services

  • Site development feasibility analysis
  • Due-diligence assessments for geologic hazards
  • Design of stormwater infiltration systems
  • EIS and SEPA checklist preparation
  • Seepage / drainage analysis and design

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