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July 16, 2024

The impact of a PEER funded research project "New Near-Fault Adjustment Factors for Caltrans Seismic Design Criteria (SDC)" is highlighted below. The project Principal Investigator (PI) is Yousef Bozorgnia, University of California, Los Angeles. The Research Team includes Silvia Mazzoni and Esra Zengin, UCLA; Mahdi Bahrampouri, PG&E.

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Abstract

July 9, 2024

PEER has published Report No. 2024/06: "Ground Failure of Hydraulic Fills in Chiba, Japan and Data Archival in Community Database." It was authored by Scott J. Brandenberg, Jonathan P. Stewart, Kenneth S. Hudson, Dong Youp Kwak, Paolo Zimmaro and Quin Parker, Department of Civil and Environmental Engineering, University of California, Los Angeles, California. 

June 27, 2024

The impact of a PEER funded research project "Prioritizing Regional Needs for Recovery Bridges through Post-earthquake Corridor Identification and System Fragility Assessment of the SF Region" is highlighted below. The project Principal Investigator (PI) is Kenichi Soga, Professor, Department of Civil and Environmental Engineering, University of California, Berkeley.

June 26, 2024

The impact of a PEER funded research project "Influence of Fines and Alternative Intensity Measures on Liquefaction Triggering" is highlighted below. The project Principal Investigator (PI) is Scott J. Brandenberg, University of California, Los Angeles. The Co-Principal Investigator is Jonathan P. Stewart, University of California, Los Angeles. The Research Team includes Varun Nigesh, Graduate Student Researcher, UCLA and Kenneth Hudson, Hudson Geotechnics, Inc.

June 20, 2024

The impact of a PEER funded research project "Development of Performance-Based Multi-hazard Engineering (PBME) Framework with Inclusion of Climate Change and Bridge Vulnerability" is highlighted below. The project Principal Investigator (PI) is Michele Barbato, Professor and Director of the CITRIS Climate Initiative, UC Davis. The Co-Principal Investigator is Alexander Forrest, Associate Professor, UC Davis. The Research Team includes Lei Zhou, Graduate Student Researcher, UC Davis.

June 13, 2024

PEER has published Report No. 2024/05: "A Granular Framework for Modeling the Capacity Loss and Recovery of Regional Transportation Networks under Seismic Hazards: A Case Study on the Port of Los Angeles." It was authored by Michael Benedict Virtucio, Department of Civil and Environmental Engineering, University of California, Berkeley; Barbaros Cetiner, NHERI SimCenter; Bingyu Zhao, University of California, Berkeley; Kenichi Soga, TU Wien, Austria; Ertugrul Taciroglu, Department of Civil and Environmental Engineering University of California, Los Angeles.

June 5, 2024

The impact of a PEER funded research project "Remaining fatigue life assessment of bridge decks based upon a numerical-experimental SYSCOM  SYStem-COmponent-Material-based approach" is highlighted below. The project Principal Investigator (PI) is Alessandro Palermo, University of California, San Diego. The Research Team includes Joel Conte, Machel Morrison, and Ernesto Hernández, University of California, San Diego.

May 24, 2024

The impact of a PEER funded research project "Uncertainty Quantification for Meeting Bridge Design Objectives" is highlighted below. The project Principal Investigator (PI) is Tracy Becker, UC Berkeley. The Research Team includes Maria Camila Lopez Ruiz, UC Berkeley; Debra Murphy, Slate Geotechnical Consultant; Tessa Williams, Slate Geotechnical Consultants.

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Research Impact

May 1, 2024

A research team led by Professor Kenichi Soga was recently granted $3 million by the California Energy Commission to enhance the seismic risk assessment of natural gas storage and pipeline infrastructure. Over three years, the team will use remote and embedded sensing technology and advanced data management and analysis techniques to monitor gas infrastructure continuously.

April 3, 2024

PEER has published Report No. 2024/04: "Two-Dimensional Debris-Fluid-Structure Interaction with the Particle Finite Element Method." It was authored by Minjie Zhu and Michael H. Scott, School of Civil and Construction Engineering, Oregon State University, Corvallis, Oregon.

Access the report and 2 page summary. Access the full listing of PEER reports.

Abstract

March 13, 2024

The PEER-Bridge Research Program is a streamlined framework of the Caltrans bridge research program, supporting innovative work on a wide range of topics such as new materials, accelerated bridge construction, maintenance, sustainability, design and analysis. A single master contract is established between Caltrans and PEER, and different projects are executed as Task Orders under the master contract. The PEER-Bridge Program is open to researchers from all public core institutions.

Mosalam coverA new publication by PEER Director Khalid Mosalam, and Prof. Yuqing Gao, introduces and implements the state-of-the-art machine learning and deep learning technologies for vision-based Structural Health Monitoring (SHM) applications.

February 27, 2024

PEER has published Report No. 2024/03: "An International Workshop on Large-Scale Shake Table Testing for the Assessment of Soil-Foundation-Structure System Response for Seismic Safety of DOE Nuclear Facilities, A Virtual Workshop – 17-18 May 2021." It was authored by Ramin Motamed, David McCallen and Swasti Saxena, Department of Civil and Environmental Engineering, University of Nevada, Reno.

February 13, 2024

PEER has published Report No. 2024/02: "Seismic Performance of Isolated Bridges Under Beyond Design Basis Shaking." It was authored by Claudio Sepulveda, Ricardo Bustamante and Gilberto Mosqueda, Department of Structural Engineering, University of California San Diego, La Jolla, California.

Access the report and 2 page summary. Access the full listing of PEER reports.

Abstract

January 31, 2024

PEER has published Report No. 2024/01: "Response Modification of Structures with Supplemental Rotational Inertia." It was authored by Gholamreza Moghimi and Nicos Makris, Department of Civil and Environmental Engineering, Southern Methodist University, Dallas, Texas.

Access the report and 2 page summary. Access the full listing of PEER reports.

Abstract

January 17, 2024

Northridge earthquake damage imageMajor advances in earthquake engineering have generally occurred because of significant earthquake events. Today marks the anniversary of two such events. At 4:31 am Pacific Time on January 17, 1994, the Northridge Earthquake, a magnitude 6.7 event, occurred in the San Fernando Valley with a duration of 10-20 seconds.

November 24, 2023

Funded by the National Science Foundation (NSF), the Converging Design project includes full-scale testing of a six-story mass timber building at the Natural Hazards Engineering Research Institute (NHERI) Large-High Performance Outdoor Shake Table. The project re-uses the bottom six stories of a 10-story mass timber building previously tested as part of the NSF Tallwood project.

November 22, 2023

The impact of a PEER funded research project "Bayesian Inference for Mechanics-Based Digital Twinning of Bridges" is highlighted below. The project Principal Investigator (PI) is Hamed Ebrahimian, Assistant Professor, University of Nevada, Reno. The Research Team includes Abdelrahman Taha, Graduate Student Researcher, University of Nevada, Reno.

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Research Impact:

The impact of a PEER funded research project "Performance Monitoring of Centennial Bridge Using Fiber Optic Sensing" is highlighted below. The project Principal Investigator (PI) is Matt DeJong, University of California, Berkeley. The Research Team includes Laura Lowes, University of Washington.

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Research Impact:

November 14, 2023

The impact of a PEER funded research project "Informing Predictions from Above with Community Data from Below: A Hierarchical AI Liquefaction Model for Rapid Response and Simulation" is highlighted below. The project Principal Investigator (PI) is Brett Maurer, University of Washington. The Research Team includes Morgan Sanger, University of Washington.

Download the Research Project Highlight which includes the abstract (PDF)