Development of Procedures for Computing Site Seismicity

This report was prepared as part of the Navy's Seismic Hazard Mitigation Program. The Navy has numerous bases located in seismically active regions throughout the world. Safe effective design of waterfront structures requires determining expected earthquake ground motion. The Navy's proble...

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Bibliographic Details
Main Author: Ferritto, John
Format: Report
Language:English
Subjects:
ACCELERATION
ATTENUATION
COMPUTATIONS
COMPUTER PROGRAMS
COMPUTERS
DATA BASES
EARTHQUAKE ENGINEERING
EARTHQUAKES
EPICENTERS
GEOLOGY
GROUND MOTION
HAZARDS
MATHEMATICAL MODELS
NAVY
PROBABILITY
REGIONS
SEISMIC DATA
SEISMIC DETECTION
Seismology
SHAKING
SITES
SOILS
SPECTRA
STOCHASTIC PROCESSES
WATERFRONT STRUCTURES
WU0106
WUDN387338
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Summary:This report was prepared as part of the Navy's Seismic Hazard Mitigation Program. The Navy has numerous bases located in seismically active regions throughout the world. Safe effective design of waterfront structures requires determining expected earthquake ground motion. The Navy's problem is further complicated by the presence of soft saturated marginal soils that can significantly amplify the levels of seismic shaking as evidenced in the 1989 Loma Prieta earthquake. The Naval Facilities Engineering Command's seismic design manual, NAVFAC P355.1, requires a probabilistic assessment of ground motion for design of essential structures. This report presents the basis for the Navy's Seismic Hazard Analysis procedure that was developed and is intended to be used with the Seismic Hazard Analysis computer program and user's manual. This report also presents data on geology and seismology to establish the background for the seismic hazard model developed. The procedure uses the historical epicenter data base and available geologic data, together with source models, recurrence models, and attenuation relationships to compute the probability distribution of site acceleration and an appropriate spectra. This report discusses the developed stochastic model for seismic hazard evaluation and the associated research... Earthquake, Ground motion, Seismic hazard analysis, Acceleration.