Developing Site-Specific Design Response Spectra for a Type F Site Due to Liquefaction
Publication: Geotechnical Earthquake Engineering and Soil Dynamics IV
Abstract
This paper presents a practical approach to develop a site-specific design acceleration response spectral (ARS) curve for a soil profile Type F site due to liquefaction. A site development consisted of four main structures up to 12-stories high over a two- to three-level parking structure in Marina Del Ray, California. Based on the 2001 California Building Code (CBC) Table 16-J, the site was classified as Type F, requiring a site-specific evaluation. A site-specific probabilistic seismic hazard analysis (PSHA) was performed to develop the target uniform hazard spectra (UHS). An equivalent-linear one-dimensional seismic response analysis using the computer program SHAKE91 was performed and compared with the nonlinear effective-stress seismic response analyses using the computer code FLAC and D-MOD2000. Differences and deficiencies of the response spectra between using the equivalent-linear and nonlinear effective-stress seismic response analyses are discussed and the recommendations for structures having a different fundamental period of vibration are made.
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Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Jun 20, 2012
ASCE Technical Topics:
- Analysis (by type)
- Computer analysis
- Construction engineering
- Construction management
- Continuum mechanics
- Dynamics (solid mechanics)
- Earthquake engineering
- Engineering fundamentals
- Engineering mechanics
- Geohazards
- Geomechanics
- Geotechnical engineering
- Geotechnical investigation
- Motion (dynamics)
- Oscillations
- Response spectra
- Seismic effects
- Seismic tests
- Site investigation
- Soil liquefaction
- Soil mechanics
- Soil properties
- Solid mechanics
- Standards and codes
- Tests (by type)
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