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  1. Extracting Empirical Capacity Curves from Building Earthquake Response Data

    15 May 2014 | Publications | Contributor(s): Jeffrey Dowgala, Ayhan Irfanoglu

    Extracting Empirical Capacity Curves from Building Earthquake Response DataA restoring force (story shear) based method is presented to generate a capacity curve from the strong motion response data of a building. Use of a restoring force based method avoids errors associated with the input...

  2. Enhanced Rapid Post-Event Assessment of Buildings

    15 May 2014 | Publications | Contributor(s): Derek Skolnik, Mauricio Ciudad-Real, Mark Sinclair, Tim Graf, Dave Swanson, Craig Goings, Ali Shaaban Megahed, Ahmed Almarri, Yavuz Kaya, Erdal Safak

    Enhanced Rapid Post-Event Assessment of BuildingsStrong-motion instrumentation refers to the equipment required to record ground and structural response motions during moderate-to-large earthquakes. Public programs and regulatory requirements exist with the critical mission to collect and...

  3. Post-Earthquake Alarm System Based on Real-Time Continuous Response Spectra Exceedance

    15 May 2014 | Publications | Contributor(s): Derek Skolnik, Mathias Franke, Mauricio Ciudad-Real, Danny Harvey, Kent Lindquist

    Real-Time Continuous Response Spectra Exceedance CalculationsThis paper presents a novel robust approach for providing post-earthquake exceedance alarms for large distributed facilities using real-time estimation of response spectra obtained from near free-field motions. The approach is an...

  4. The Generation of Earthquake Damage Probability Curves for Recovery Time of School Buildings in Taiwan

    15 May 2014 | Publications | Contributor(s): George C. Yao, Ying-Lieh Tu, Li-Mei Hsueh

    The Generation of Earthquake Damage Probability Curves for Recovery Time of School Buildings in TaiwanGeorge C. Yao, Ying-Lieh Tu, Li-Mei HsuehAfter the 1999 Chi-Chi earthquake, the authors began to collect damage data of buildings in various subsequent earthquakes in Taiwan to establish...

  5. Recommendations for the Use ofBIM Methods for Management of Post-Earthquake Damage Data

    15 May 2014 | Publications | Contributor(s): Anna Birely, Eduardo Pereira

    Recommendations for the Use of Building Information Modeling (B.I.M.) Methods for Post-Earthquake Reconnaissance Data Collection and ManagementBuilding Information Modeling (BIM) is becoming a common tool for the design, construction, and life-cycle management of building structures. However,...

  6. A Fast High Order Accurate Method For Tsunami Propagation

    15 May 2014 | Publications | Contributor(s): Anxin Guo, Shengchao Xiao, Hui Li

    A time-space decoupled algorithm for tsunami propagationAnxin Guo, Shengchao Xiao, Hui LiThis paper presented an explicit and time-space decoupled numerical algorithm based on the exact solution of wave equation for tsunami propagation. The recursion formulas derived from this algorithm can...

  7. Damage Index of Angle Brace Based on Residual Deformation

    15 May 2014 | Publications | Contributor(s): Nobuhiko Tatsumi, Shoichi Kishiki

    Damage Index of Angle Brace Based on Residual DeformationLow-rise steel building structures are expected to play a part as a disaster prevention base in an earthquake disaster. These structures need to maintain seismic performances against not only one earthquake but also aftershocks. Therefore,...

  8. Wave Method for System Identification and Health Monitoring of Buildings – Extension to Fitting Timoshenko Beam Model

    15 May 2014 | Publications | Contributor(s): Mahdi Ebrahimian, Maria Todorovska

    Structural Health Monitoring of Buildings by a Wave Method – Consideration of DispersionStructural Health Monitoring (SHM) aims to detect the state of damage in the structure, based on sensory data, without the need for physical inspection. It usually involves estimation of parameter(s)...

  9. FEASIBILITY STUDY ON SEISMIC RESPONSE ESTIMATION OF DAMAGED R/C BUILDINGS BASED ON OBSERVATION DATA AND NUMERICAL ANALYSIS

    15 May 2014 | Publications | Contributor(s): Ho CHOI, Yasushi SANADA, Yasuhiro WATANABE, Yoshiaki NAKANO

    FEASIBULITY STUDY ON SEISMIC RESPONSE ESTIMATION OF DAMAGED R/C BUILDINGS BASED ON OBSERVATION DATA AND NUMERICAL ANALYSISOn September 30, 2009, at 5:16 pm local time, a magnitude 7.6 earthquake (USGS) struck off the southern coast of West Sumatra, Indonesia (0.72S, 99.86E, Depth: 81km), and...

  10. New Building Damage and Loss Functions for Tsunami

    15 May 2014 | Publications | Contributor(s): Charles Kircher, Jawhar Bouabid

    New Building Damage and Loss Functions for TsunamiThis paper describes new methods for determining the probability of damage to building and essential facilities due to tsunami inundation (flood) and tsunami lateral force (flow) and for combining damage due to a tsunami with that due to the...

  11. Development of the Residual Seismic Capacity Evaluation System with Capacity Spectrum Method

    15 May 2014 | Publications | Contributor(s): Koichi KUSUNOKI, Akira TASAI, Masaomi Teshigawara, Daiki HINATA

    Development of the Residual Seismic Capacity Evaluation System with Capacity Spectrum MethodOnce a big earthquake occurs, many buildings are severely damaged, and consequently it gives rise to many homeless. The damage level could increase due to an aftershock in some buildings. Thus enormous...

  12. U.S. Geological Survey's ShakeCast: A Cloud-based Future

    15 May 2014 | Publications | Contributor(s): David Wald, Kuo-wan Lin, Loren Turner, Nebi Bekiri

    U.S. Geological Survey's ShakeCast: A Cloud-based FutureWhen an earthquake occurs, the U. S. Geological Survey (USGS) ShakeMap portrays the extent of potentially damaging shaking. In turn, the ShakeCast system, a freely-available, post-earthquake situational awareness application, automatically...

  13. New Lifelines Damage and Loss Functions for Tsunami

    15 May 2014 | Publications | Contributor(s): William Graf, Yajie Lee, Ronald Eguchi

    New Lifelines Damage and Loss Functions for TsunamiThis paper describes new methods for determining the probability of damage to lifeline components due to tsunami inundation, flow and debris impact, and for combining tsunami damage with damage due to a near-shore earthquake generates the...

  14. Tsunami Hazard and Casualty Estimation Model

    15 May 2014 | Publications | Contributor(s): Harry Yeh

    Tsunami Hazard and Casualty Estimation ModelIn the event of an earthquake, human losses directly relate to the extent of damage to buildings and infrastructure, which is strongly correlated with the earthquake magnitude. With little forewarning time for evacuation, a majority of casualties...

  15. An Analytical Approach towards Modeling the Recovery and Reconstruction after the 2011 Tohoku Earthquake and Tsunami

    15 May 2014 | Publications | Contributor(s): Yoshifumi Yamamoto, Pooya Sarabandi

    An Analytical Approach towards Modeling the Recovery and Reconstruction after the 2011 Tohoku Earthquake and TsunamiThe infrastructures as well as large number of buildings along the Pacific coastline of Japan were severely impacted by the 2011 Tohoku Earthquake and Tsunami. The Tsunami resulted...

  16. On Standard Buildings, Structures and Areas. SafetyRequirements under Tsunami Impact

    15 May 2014 | Publications | Contributor(s): Igor Nudner, Mark Klyachko, Vasily Maxsimov, Vladislav Filkov

    ON STANDARD “BUILDINGS, STRUCTURES AND AREAS. SAFETY REQUIREMENTS UNDER TSUNAMI IMPACT”A new conception of comprehensive tsunami safety and standard, related to tsunami engineering are under consideration. Safety requirements concern to Pacific and Black sea coasts where a run-up exceeds 0.5 m....

  17. Cal VIVA: Assessing the Seismic Vulnerability of California’s State-Owned Buildings Through Planning & Engineering

    15 May 2014 | Publications | Contributor(s): Jill Nelson, James Guthrie

    Cal VIVA: Assessing the Seismic Vulnerability of California’s State-Owned BuildingsIn the last 20 years, agencies and departments in the State of California have initiated seismic vulnerability programs with goals ranging from life safety to reduced post-earthquake disruption. Until now, there...

  18. Evacuation Planning Considerations of the City of Honolulu for a Great Aleutian Tsunami

    15 May 2014 | Publications | Contributor(s): Gary Chock, Rhett Butler

    Evacuation Planning Considerations of the City of Honolulu for a Great Aleutian TsunamiThe City and County of Honolulu is developing revised emergency evacuation route plans and new refuge areas for Tsunami Warning notifications that will include the possibility of great Aleutian earthquakes....

  19. Practical Collapse Assessment for Reinforced Concrete Structures based on Seismic Response Spectrum

    15 May 2014 | Publications | Contributor(s): Kazuto Matsukawa, Masaki Maeda

    Practical Collapse Assessment for Reinforced Concrete Structures based on Seismic Response SpectrumCollapse assessment of reinforced concrete structures is important to know real capacity of buildings. It is also important for engineers to control building damage and collapse risk. For this type...

  20. Evaluating tsunami education in coastal Washington: a 2001-2012 review

    15 May 2014 | Publications | Contributor(s): David Johnston, Julia Becker, Leonard Graham, Wendy Saunders, Kim Wright, Douglas Paton, Chris Gregg, Bruce Houghton, Stuart Fraser, Vicki Johnson, Caroline Orchiston, John Schelling, Dave Nelson, George Crawford

    Evaluating tsunami education in coastal Washington: a 2001-2012 reviewImproving the response capacity of coastal communities at risk to tsunami presents an on-going challenge. To meet this challenge Washington State Emergency Management has supported the development of an evaluation program...