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Geotechnical Evaluation of California Hospital Sites
Slate Geotechnical Consultants has conducted geologic and geotechnical evaluations of more than twenty existing structures at more than 10 hospital campuses across California for HCAI Structural Performance Category-4D regulation.
Slate has worked closely with the structural engineering team throughout the project to develop appropriate criteria given complex foundation configurations, subsurface conditions, and seismic settings. Reports documenting the evaluation at each site are submitted to HCAI and the California Geological Survey for review, as required by SPC-4D regulation.
Slate services:
- Review of existing subsurface information
- Assessment of potential for earthquake-induced geologic hazards
- Review of response spectra with consideration of kinematic effects
- Development of scaled time history records for use in nonlinear analyses
- Assessment of axial, uplift, and lateral capacities, including group effects for deep foundations
- Development of geotechnical recommendations for structural analysis of existing shallow and deep foundations and for retaining walls
Technical components:
- Slate has evaluated and provided recommendations for buildings ranging from single-story reinforced concrete structures founded on shallow footings, to steel moment frame towers with more than 10 stories that are founded below grade on deep foundations.
- Deep foundation pile types vary from drilled shafts to belled caissons to Raymond piles.
- Analysis methodologies were tailored to the complexity of the building and needs of our clients, from linear-elastic, perfectly plastic analysis to non-linear-cyclic finite-element analysis.
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