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Information about projects associated with the LLNL Hazards Mitigation Center

 

Examples of current projects

• Seismic Instrumentation of bridges crossing San Francisco Bay.
• Investigation and assessment of DOE exposure to hazards associated with natural phenomena.
• Full Wave-form modeling of wave propagation through complex media.
• Hazard assessment of Ukrainian power plants.
• UC-Campus Laboratory Collaboration to assess the hazard exposure at specific UC Campuses.
• Assessing the survivability of civil structures during large earthquakes

Online reports on some of our completed projects related to earthquake hazard mitigation (Use "Back" button to return to the HMC pages)  

Simulation of Seismic Waves

• 3-D simulations of magnitude 7.1 scenario earthquakes along the Hayward fault
• Predicting ground motion due to large earthquakes
• Synthetic strong ground motions for engineering design utilizing empirical Green’s functions
• Validation of a procedure for calculating broadband strong motion time histories with empirical Green's functions (0.7 MB PDF)
• Validation of a ground motion synthesis and prediction methodology for the 1988, M=6.0, Saguenay earthquake (1.7 MB PDF)
• Strong ground motion synthesis along the Sanyi-Tungshih-Puli seismic zone using Empirical Green's functions (0.9 MB PDF)
• Strong ground motion synthesis for a M=7.2 earthquake in the Gulf of Corinth, Greece using empirical Green's functions (1.6 MB PDF)
• Variable site effects across the I-5 Highway 14 interchange that failed during the Northridge earthquake (Abstract) (0.2 MB PDF)
• Elastic modeling initiative, part III: 3-d computational modeling (0.5 MB PDF)
• 2D and 3D models of broadband wave propagation in the San Francisco Bay region and northern Coast Ranges (Abstract) (64 KB PDF)

Structural Response

• Assessing the survivability of civil structures during large earthquakes
• Seismic response of a nuclear power generation complex including structure-to-structure interaction effects (2.0 MB PDF)
• Seismic response of steel suspension bridge (8 MB PDF)
• Computational simulation of the non-linear response of suspension bridges (5 MB PDF file)

Integrated Hazard Assessments and Research

• Independent seismic evaluation of the 24-580-980 south connector ramps: synthetic strong ground motions for a magnitude 7.25 Hayward fault earthquake interchange: Seismic inputs (2.4 MB PDF)
• Independent seismic evaluation of the 24-580-980 South connector ramps site-response studies for magnitude 7.25 Hayward fault earthquakes: Soil response (8.6 MB PDF)
• Independent seismic evaluation of 24-580-980 south connector ramps response of the south connector ramps to a magnitude 7.25 Hayward fault earthquake: Structural response (27 MB PDF file)
• Seismic hazard characterization of the BNL-HFBR site (Upton, New York) (4.1 MB PDF)
• University of California, campus laboratory collaboration program, advanced earthquake hazards project annual report, January 31, 1998 (0.7 MB PDF)

Methodology and Standards

• Seismic evaluation procedure for equipment in U.S. Department of Energy facilities

Instrumentation and measurement technologies

• Earthquake/aftershock warning systems
• Earthquake early warning research using real-time signal processing
• Three-axis accelerometer package for slimhole and microhole seismic monitoring and surveys (1.7 MB PDF)
• Identification of mine collapses, explosions and earthquakes using INSAR: a preliminary investigation (1.3 MB PDF)

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Questions? Please contact:

Jean Savy

(925) 423-0196

savy1@llnl.gov

UCRL-TB-131260