An overview of the SIGMA Research Project : a European approach to seismic hazard analysis

• Other Authors: Pecker, Alain, Faccioli, Ezio, Gurpinar, Aybars, Martin, Christophe, Renault, Philippe
• Format: Electronic eBook
• Language: English
• Published: Cham : Springer, 2017.
• Series: Geotechnical, geological, and earthquake engineering ; v. 42.
• Subjects: Earthquake hazard analysis.; elektronické knihy; electronic books
• ISBN: 9783319581545; 9783319581538
• Physical Description: 1 online resource (177 pages)

This book presents a summary of the important outcomes of the SIGMA project related to all aspects of Probabilistic Seismic Hazard Assessment: source characterization, rock motion characterization, site response characterization, and hazard calculations, with for all of them emphasis on the treatmen...

Table of Contents:

• Acronyms; Chapter 1: Introduction; 1.1 Overview of the Project Organisation; 1.2 Object of the Document; References; Chapter 2: General Concepts and PSHA Background; 2.1 Development of a Seismotectonic Framework for PSHA; 2.2 Development of Seismic Sources and Logic Trees for Source Definition; 2.3 Site Specific vs. Regional Study; 2.4 PSHA
• A Framework for Seismic Source & Ground Motion & Site Response Characterization; 2.5 Logic Tree Approach and Treatment of Uncertainties; 2.5.1 Epistemic Uncertainty vs. Aleatory Variability; 2.5.2 Logic Tree Methodology; 2.5.3 Site Response.
• 2.5.3.1 Methods for Implementing Site Response Effects2.5.4 Use of Experts; 2.5.4.1 Guidance Regarding Expert Elicitations; 2.6 Interface Issues Between Work Packages; 2.7 Common Required Outputs for Seismic Hazard Results; 2.7.1 Basic Definitions and Requirements; 2.7.1.1 Control Point; 2.7.1.2 Components of Motion; 2.7.1.3 Vibration Frequencies for Hazard Analysis; 2.7.1.4 Lowest Annual Probability of Exceedance; 2.7.2 Common Hazard Results; 2.7.2.1 Seismic Hazard Curves for Reference Rock Site Condition; 2.7.2.2 Seismic Hazard Curves for the Soil Site Condition.
• 2.7.2.3 Epistemic Uncertainty in the Soil Hazard Curves2.7.2.4 Uniform Hazard Spectra; 2.7.2.5 Disaggregation; 2.7.3 Additional Parameters; 2.7.3.1 Ground Motion Duration; 2.7.3.2 Peak Ground Velocity; 2.7.3.3 Cumulative Absolute Velocity; References; Chapter 3: Seismic Source Characterization; 3.1 Pre-requisites to Develop the SSC Models; 3.2 Database, Earthquake Catalogue, Magnitude Conversions, Uncertainties on Metadata; 3.3 Seismic Source Models; 3.3.1 Diffuse Seismicity Versus Identified Seismogenic Structures; 3.3.2 Seismic Source Characterization Framework.
• 3.3.3 Area Source, Fault Sources, Gridded Seismicity3.3.3.1 Area Sources; 3.3.3.2 Fault Sources; 3.3.3.3 Gridded/Smoothed Seismicity; 3.3.4 Lessons Learned Related to Seismic Source Models; 3.4 Occurrence Processes; 3.4.1 Poisson Model; 3.4.2 Characteristic Model; 3.4.3 Time-Dependent Seismicity Models; 3.5 Maximum Magnitude and Recurrence Parameters; 3.5.1 Maximum Magnitude; 3.5.2 Recurrence Parameters; 3.5.3 Lessons Learned; 3.6 Logic-Tree Implications; 3.6.1 Logic Tree Approaches; 3.6.2 Efficient Tools for the Logic Tree Conception and Weights Assignment.
• 3.6.2.1 Pilot Model for an Interaction and Interface Management Between Components of the PSHA3.6.2.2 Disaggregation; 3.6.2.3 Sensitivity Analyses; 3.6.2.4 Testing the Branches of the Logic Tree Using Data and Observations; 3.6.3 Verification and Quality Assurance (QA); References; Chapter 4: Rock Motion Characterization; 4.1 Empirical Models and Point Source Stochastic Models; 4.1.1 Empirical Ground Motion Attenuation Models; 4.1.2 Point Source Stochastic Models; 4.2 Model Selection and Criteria; 4.2.1 Modelling Criteria; 4.2.2 Tectonic Consistency; 4.2.3 Site-Conditions Consistency.