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  1. Qualification of seismic risk studies on the basis of instrumentally verified vulnerability functions for R.C. building types

    15 May 2014 | Publications | Contributor(s): Lars Abrahamczyk, Jochen Schwarz, Cemal M. Genes

    Qualification of seismic risk studies on the basis of instrumentally verified vulnerability functions for R.C. building typesThe description of building vulnerability and resultant derived damage prognoses for different impact levels are the key element for seismic risk studies especially in the...

  2. Rapid assessment of earthquake damage using strong ground motion maps provided by QuiQuake

    15 May 2014 | Publications | Contributor(s): Nobuoto Nojima, Masashi Matsuoka, Maki Koyama

    Rapid assessment of earthquake damage using strong ground motion maps provided by QuiQuakeSince October 2009, Advanced Industrial Science and Technology (AIST) has been operating a system called QuiQuake (Quick Estimation System for Earthquake Maps Triggered by Observation Records) which...

  3. Benefit Cost Study for Unique Transit Structures

    15 May 2014 | Publications | Contributor(s): Thomas Horton, Michael McRae, Mark Salmon, Donald Duggan

    Benefit Cost Study for Unique Transit StructuresDonald Duggan, Mark Salmon, Michael McRae, Thomas HortonThe San Francisco Bay Area Rapid Transit District (BART) is engaged in a comprehensive seismic retrofit of its 40 year old original system. Through design optimization and favorable...

  4. Optimizing Resilience: Performance Based Assessment of Retrofits for Wood-Frame Housing in San Francisco

    15 May 2014 | Publications | Contributor(s): Zahraa Saiyed

    Optimizing Resilience: Performance Based Assessment of Retrofits for Wood-Frame Housing in San FranciscoZahraa SaiyedPrevalent seismic hazards in the San Francisco Bay Area region require the building stock to be able to withstand frequent ground accelerations while maintaining life-safety...

  5. Improved distribution probability models for seismic fragility assessment

    15 May 2014 | Publications | Contributor(s): Jianjun Qin, Kevin R. Mackie, Bozidar Stojadinovic

    Improved probability models for seismic fragility assessmentThe Pacific Earthquake Engineering Research Center (PEER) framework to assess the seismic performance of individual structure subject to seismic hazard disaggregates the problem into seismic intensity, engineering demand, damage, and...

  6. Seismic performance by fragility surfaces

    15 May 2014 | Publications | Contributor(s): Mircea Grigoriu, Alin Radu, Cagdas Kafali

    Seismic performance by fragility surfacesMircea GrigoriuA method is developed for constructing fragilities as functions of two parameters, source-to-site distance, r, andmoment magnitude, m. The method is based on a seismological model for site ground motion and seismic activity matrices...

  7. Cost-Benefit Analysis of Different Retrofit Strategies following a Displacement-based Loss Assessment Approach: A Case Study

    15 May 2014 | Publications | Contributor(s): Donatello Cardone, Amedeo Flora, Benedetto Manganelli

    Cost-Benefit Analysis of Different Retrofit Strategies following a Direct Displacement-Based Loss Assessment Approach: A Case StudyDonatello Cardone, Amedeo FloraThere are different strategies for the improvement of the seismic performance of existing Reinforced Concrete (RC) buildings. Many...

  8. Seismic Performance Assessment of Tall Building Using Quantitative Performance Measure

    15 May 2014 | Publications | Contributor(s): Dong-Chul Lee, Taejin Kim, Chee-Kyeong Kim, Jong-Ho Kim

    Expected Repair Cost Estimation for Seismic Performance Assessment of Tall BuildingRecently the interest about the performance-based seismic design for tall buildings is increasing. In the performance-based seismic design according to FEMA 356, engineer could evaluate the performance of...

  9. Implications on Seismic Hazard and Risk Assessment of Two Cities of Colombia as Result of a Lithospheric Tear’s Proposal in the Nazca Plate

    15 May 2014 | Publications | Contributor(s): Mario-Andrés Salgado, Omar-Darío Cardona, Carlos A. Vargas, Daniela Zuloaga, Gabriel-Andrés Bernal

    Implications on Seismic Hazard and Risk Assessment of Two Cities of Colombia as Result of a Lithospheric Tear’s Proposal in the Nazca PlateThe new tectonic interpretation proposing the existence of a lithospheric fault called "Caldas Tear" has led to a seismic hazard assessment of Colombia using...

  10. Aftershock Risk in Japan Following Tohoku Earthquake

    15 May 2014 | Publications | Contributor(s): Nilesh Shome, Chesley Williams

    Aftershock Risk in Japan Following Tohoku EarthquakeRecent Tohuku earthquake has clearly showed that aftershocks following large magnitude earthquakes are a source of significant risk. In this study, we have followed the Reasenberg and Jones (1989) approach to describe the aftershock activity...

  11. Ground motion modeling for risk and reliability assessment of San Francisco infrastructure systems

    15 May 2014 | Publications | Contributor(s): Jason Wu, Jack Baker

    Risk and Reliability Assessment of the San Francisco Auxiliary Water Supply System Subjected to Seismic HazardsIn response to devastation from fires following the 1906 MW 7.8 San Francisco earthquake, the City of San Francisco constructed the Auxiliary Water Supply System (AWSS) solely to combat...

  12. Sensitivity of fragility functions to ground motion input: Case study of 2010 Haiti Earthquake

    15 May 2014 | Publications | Contributor(s): UFUK HANCILAR, EBRU HARMANDAR, ESER CAKTI

    Sensitivity of fragility functions to ground motion input: Case study of 2010 Haiti EarthquakeU. Hancilar, E. Harmandar, E. CaktiBogazici University, Dept. of Earthquake Eng., Istanbul, TurkeyThere are two inputs in the derivation of empirical fragility functions: i) Inventory of damaged and...

  13. Examination of seismic performance assessment procedures for RC buildings in Turkey

    15 May 2014 | Publications | Contributor(s): Ahmet Yakut

    Examination of seismic performance assessment procedures for RC buildings in TurkeyA number of procedures have been proposed over the last decade to assess seismic performance of existing reinforced concrete buildings. These procedures have varying degree of accuracy and complexity thus their...

  14. Urban Seismic Risk Assessment of Santo Domingo: A Probabilistic and Holistic Approach

    15 May 2014 | Publications | Contributor(s): Mario-Andrés Salgado, Gabriel-Andrés Bernal, Martha-Liliana Carreño, Omar-Darío Cardona, Claudia-Patricia Villegas, Alex Barbat

    Urban Seismic Risk Assessment of Santo Domingo: A Probabilistic and Holistic ApproachA fully probabilistic risk assessment of Santo Domingo –National District–, Dominican Republic, was conducted using a building by building resolution. A national seismic hazard assessment was developed in order...

  15. Earthquake Risk Modeling For the Evaluation of Losses to Property Owners in the Metropolitan Area of Shiraz

    15 May 2014 | Publications | Contributor(s): Mehdi Sadeghi, Stefan Hochrainer-Stigler, Naghmeh Pakdel-Lahiji, Mohsen Ghafory-Ashtiany

    Earthquake Risk Modeling for the Evaluation of Losses to Property Owners in the Metropolitan Area of ShirazIn recent years, natural disasters caused huge human and economic losses, and subsequently high post disaster relief, recovery and reconstruction investments by governments, the private...

  16. CALIBRATED RESPONSE SPECTRA FOR COLLAPSE ASSESSMENT UNDER MULTIVARIATE HAZARD AND STRUCTURAL RESPONSE UNCERTAINTIES

    15 May 2014 | Publications | Contributor(s): Christophe Loth, Jack Baker

    CALIBRATED RESPONSE SPECTRA FOR COLLAPSE ASSESSMENT UNDER MULTIVARIATE HAZARD AND STRUCTURAL RESPONSE UNCERTAINTIESEarthquake engineering design requires an evaluation of the structure’s reliability over future seismic loads. The structure’s reliability can itself be formulated as an “implicit”...

  17. Evaluation of a Port Operations Model using the 2012 West Coast Port Strike as Disruption Data

    15 May 2014 | Publications | Contributor(s): Lindsay Ivey-Burden

    Evaluation of a Port Operations Model using the 2012 West Coast Port Strike as Disruption DataSeaports are an essential node in the transfer of goods into and out of the US, and they play an important role in the economy. However, history (Port of Kobe, Japan, 1995, Port Au Prince, Haiti, 2010)...

  18. Improving seismic assessments by quantifying diminished capacity during the useful life cycle of structures

    15 May 2014 | Publications | Contributor(s): Cynthia Perry, Eduardo Fierro, Mark White

    Improving seismic assessments by quantifying diminished capacity during the useful life cycle of structuresIn order to better assist owners to manage the risks arising from occupying and operating particular structures in seismically active areas, structural specialists can develop seismic...

  19. Estimating Risk For Santiago, Chile Due To Deep Intraplate And Interface Earthquakes

    15 May 2014 | Publications | Contributor(s): Freddy Pina, Paulina Gonzalez

    Study of the effects of deep intraplate and interplate earthquakes in subduction zones – Case Study I: SantiagoThis paper describes the effects of deep intraplate and interplate earthquakes in a subduction zone through a simplified procedure that estimate the risk to damage in different...

  20. Benchmarking, Validation and Calibration of Newly-Developed HAZUS Tsunami Methodology

    15 May 2014 | Publications | Contributor(s): Ronald Eguchi, Michael Eguchi, Jawhar Bouabid, Shunichi Koshimura, Fumio Yamazaki, William Graf

    Benchmarking, Validation and Calibration of Newly-Developed HAZUS Tsunami MethodologyThis paper documents the results of an effort to benchmark modeling results generated from the newly-developed HAZUS Tsunami methodology. Although quantitative comparisons between HAZUS-modeled output and...