Methodology
Mr. Whitcombe approaches each project with a philosophy of thorough investigation and risk-based design. He emphasizes the importance of integrating site-specific subsurface data with advanced analytical methods to develop cost-effective and safe foundation solutions. His methodology begins with a comprehensive review of geological and geotechnical data, followed by field exploration programs tailored to the project's complexity. He utilizes state-of-the-art numerical modeling for slope stability, settlement, and seismic response analyses, ensuring compliance with relevant codes such as ASCE 7. Collaboration with structural and civil engineers is integral to his process, allowing for optimized design that accounts for soil-structure interaction. Mr. Whitcombe advocates for performance-based design, balancing technical rigor with practical constructability.
Reference Technical Parameters
| Parameter | Reference Value |
|---|---|
| Years of Experience | Over 25 years |
| Geotechnical Specialization | Foundation design, slope stability, earth retention, seismic analysis |
| Education | M.S. Civil Engineering (Geotechnical), University of California, Berkeley |
| Professional Registration | Licensed Professional Engineer (PE) in multiple states; Member, American Society of Civil Engineers (ASCE) |
| Technical Areas | Subsurface investigation, numerical modeling, ground improvement, liquefaction assessment |
| Languages | English (native), Spanish (professional proficiency) |
Local Considerations — Hunter Whitcombe
Mr. Whitcombe has extensive experience with the diverse geological conditions found across the United States, from the soft clays of the Gulf Coast to the alluvial deposits of the Mississippi Valley and the challenging soils of the Pacific Northwest. He understands the regional variations in groundwater, seismicity, and soil behavior that influence foundation design. His work has encompassed urban infill projects, brownfield redevelopments, and large-scale infrastructure in seismic zones, where he applies local knowledge to adapt exploration and testing programs to meet project-specific requirements.
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Applicable Standards
- ASCE 7 (Minimum Design Loads and Associated Criteria for Buildings and Other Structures)
- ASTM D1586 (Standard Test Method for Standard Penetration Test (SPT) and Split-Barrel Sampling of Soils)
- AASHTO LRFD Bridge Design Specifications (Geotechnical Sections)
- International Building Code (IBC) Chapter 18 (Soils and Foundations)
- OSHA 29 CFR 1926 Subpart P (Excavations)
Frequently Asked Questions
What types of projects do you typically work on?
I work on a wide range of projects including transportation infrastructure (highways, bridges, tunnels), commercial and residential developments, energy facilities (solar, wind, power plants), and industrial sites. My role involves leading subsurface investigations, designing foundations, and evaluating slope stability for both new construction and existing structures.
How do you approach seismic site response analysis?
For seismic site response, I conduct subsurface investigations to characterize soil layers and measure shear wave velocities. I use equivalent-linear or nonlinear analysis methods in accordance with ASCE 7 to evaluate ground motion amplification and liquefaction potential. The results inform foundation design and mitigation measures to ensure seismic resilience.
Can you assist with deep foundation design?
Yes, I have extensive experience in designing drilled shafts, driven piles, and micropiles. I perform axial and lateral load capacity analyses using methods such as the alpha and beta methods for cohesive and cohesionless soils, and I incorporate site-specific static and dynamic testing data to refine design parameters.