Thrust Area 1—Building Systems
Mary Comerio (UCB) & Helmut Krawinkler (Stanford)
Co-Thrust Leaders

Project Descriptions

Impact of Correlations and Intensity Measure in Building Loss Assessment—1182003
Eduardo Miranda (Stanford/F), Hesameddin Aslani (Stanford/GS)

The main objective of this project is to develop ways to estimate and to account for the correlation between losses in individual components.
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Nonstructural Hazard Mitigation in Life Sciences Building Testbed—1202003
Mary Comerio (UCB/F)

The goal of this project is to develop a procedure for estimating downtime in the loss-modeling component of the PEER methodology.
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Building loss Modeling and Benchmarking EDP to DV—1222003
James Beck (Caltech/F), Keith Porter (Caltech/O), Judith Mitrani (Caltech/GS)

Objectives: benchmarking and packaging
To evaluate the seismic performance of benchmark buildings designed to current code (IBC 200x) in terms of PEER’s decision variables (DVs: repair costs, fatalities, and repair duration, or “dollars, deaths, and downtime”) and to package for practitioner use relationships between structural response (PEER’s engineering demand parameters, or EDPs) and DVs.
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Regulatory System Implications of Performance-Based Regulation—1232003
Peter May (UW/Faculty), Chris Koski (UW/GS)

This research seeks to identify implementation issues that have arisen for other performance- or risk-based regulatory approaches, and to draw lessons for the performance-based approach to earthquake engineering.
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Decision Making for Earthquake Mitigation—1252003
Jacqueline Meszaros (UW/F), Ufuk Ince (UW/F)

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Casualty and Injury Modeling—1272003
Kimberly Shoaf (UCLA/F), Hope Seligson (ABS Consulting/I)

The objective of this project is to provide mortality and morbidity (death and injury) rates for non-ductile concrete frame structures for a minimum of three damage states.
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Soil Structure Interaction Effects and their Influence on Input Ground Motions—2392003
Jonathan Stewart (UCLA/F), Ertugrul Taciroglu (UCLA/F), Christine Goulet (UCLA/GS)

The objective of this project is to implement the performance-based earthquake engineering (PBEE) methodology being developed by PEER for a particular building structure.
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Performance of Shallow Foundations—2272003 (This is a combined report for projects 2272003.1 and 2272003.2)
Tara Htchinson (UCI/F), Geoffrey Martin (USC/F), Barbara Chang (UCI/GS), Prishati Raychowdhury (UCI/GS)

The goals of PEER researchers (at UCD, USC, and UCI) studying the nonlinear behavior of shallow building foundations are to develop and test procedures to account for this nonlinearity in performance-based design.
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Performance of Shallow Foundations—2262003
Bruce Kutter (UCD/F), Sivapalan Gajan (UCD/GS), Jeremy Thomas (UCD/GS)

Understanding the nonlinear behavior of shallow building foundations under large amplitude loading (moment, shear and axial loading) is an important aspect of performance-based earthquake engineering (PBEE).
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US-Japan International Workshop on Performance-Based Earthquake Engineering—3162003
Jack Moehle (UCB/F)

The goal of this project is to enhance at an international level the exchange of the latest research and professional practice information on performance-based earthquake engineering.
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Coordinate PEER Methodology Testbed Research—3262003
Keith Porter (Caltech/F), John Hall

Testbeds are required to ensure that PEER’s methodology is elucidated from end to end, and illustrated for the benefit of PEER researchers and practitioners.
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Probabilistic vector Valued Ground Motion Intensity Measures (PEER-SCEC Project)—3282003
Allin Cornell (Stanford/F), Paul Somerville (URS Corp/I), Jack Baker (Stanford/GS)

Develop and test the use of a vector-valued Intensity Measure in the Van Nuys Testbed context. By working jointly the investigators will address both the structural and seismological aspects of the vector-valued IM approach.
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Benchmarking methods for Seismic Hazard Ground Motion Representation and their Effects on EDP's—3352003
James Beck (Caltech/F), Fatemeh Jalayer (Caltech/PD), Keith Porter (Caltech/O), John Hall (Caltech/F)

Performance-based earthquake engineering can be characterized by the definition of quantifiable performance objectives.
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Benchmarking Performance of New RC Frames Building—3362003
Gregory Deierlein (Stanford/F), Curt Haselton (Stanford/PD), Arash Altoontash (Stanford/PD)

The concept for this project grew out of discussions among researchers and BIP members at the PEER 2003 Annual Meeting. The overall objective of the project is to apply the PEER PBEE methodology and tools to assess the performance of ductile RC frame buildings, which conform to current design standards.
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Post E-Z Tagging and Pre-EQ Design Utilizing Aftershock Ground Motion Hazard Analysis—3372003
Allin Cornell (Stanford/F)

Extend new developments for the post-quake environment and develop a new paradigm for pre-quake design/assessment that explicitly recognizes the pre-quake importance to owners of (future) post-quake tagging (e.g., evacuation or not), downtime and their relationships to life safety.
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Criteria for Performance Based Design—3382003
Helmut Krawinkler (Stanford/F), Farzin Zareian (Stanford/PD)

The global objective is to develop criteria and procedures for performance-based design that permit direct (rather than iterative) design of various types of structures (primarily frame and wall structures) for multiple performance objectives associated with limit states of relevance for a subsequent rigorous performance assessment.
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Development of EDP-DM-DV Relationships for RC Building Components—3422003
Laura Lowes (U Wash/F), Nilanjan Mitra (U Wash/GS)

The proposed research will develop EDP-DM-DV models for reinforced concrete beam-column joints.
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Improved IMs and EDPs for Acceleration Sensitive Nonstructural Components—5242003
Eduardo Miranda (Stanford/F), Shahram Taghavi (Stanford/GS)

The objective of this project is to identify and study alternative intensity measures (IM) and alternative engineering demand parameters that will result in improved estimates of the performance of acceleration sensitive components.
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RC Frame Validation Tests—5252003
Jack Moehle (UCB/F), Wassim Ghannoum (UCB/GS), Yoon Bong Shin (UCB/GS), Tony Yang (UCB/GS)

The goal of this project is to develop validation data and nonlinear models for nonlinear response, component failure mechanisms, and internal force redistribution as collapse occurs in a building frame representative of older concrete construction.
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Performance Evaluation of Gypsum Wallboard Partitions—5322003
José Restrepo (UCSD/F), Anna Lang (UCSD/GS)

This project will continue to continue to develop data and models to characterize the performance of gypsum wallboard partitions under imposed drifts, of the type common to modern office, hotel, and laboratory buildings.
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