PEER Reports

PEER Reports

New PEER Report 2020/12: "Project Technical Summary (PEER-CEA Project)"

December 15, 2020

PEER has just published Report No. 2020/12: "Project Technical Summary," a report for the "Quantifying the Performance of Retrofit of Cripple Walls and Sill Anchorage in Single-Family Wood-Frame Buildings" Project. It was authored by Evan Reis, Reis Consulting in collaboration with Yousef Bozorgnia, Henry Burton, Kelly Cobeen, Gregory G. Deierlein, Tara Hutchinson, Grace S. Kang, Bret Lizundia, Silvia Mazzoni, Sharyl Rabinovici, Brandon Schiller, David P. Welch, and Farzin Zareian.

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New PEER Report 2020/10: "Low Seismic Damage Columns for Accelerated Bridge Construction"

February 26, 2021

PEER has just published Report No. 2020/10: "Low Seismic Damage Columns for Accelerated Bridge Construction." It was authored by Arpit Nema and Jose Restrepo, UC San Diego.

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Abstract

This report describes the design, construction, and shaking table response and computation simulation of a Low Seismic-Damage Bridge Bent built using Accelerated Bridge Construction methods. The proposed bent combines precast...

New PEER Report 2021/01: "Fire-Induced Structural Collapse on Pier 45 at Fisherman's Wharf, San Francisco, California, May 23, 2020"

February 23, 2021

PEER has just published Report No. 2021/01: "Fire-Induced Structural Collapse on Pier 45 at Fisherman's Wharf, San Francisco, California, May 23, 2020." It was authored by Mohammadreza Eslami, Khalid Mosalam, Ankit Agrawal, Amarnath Kasalanati, UC Berkeley.

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Abstract

On May 23, 2020, a severe fire resulted in progressive collapse of a processing and storage warehouse structure located at Pier 45, Fisherman’...

New PEER Report 2020/26: "Long-Term Monitoring of Bridge Settlements using Vision-Based Embedded System"

February 16, 2021

PEER has just published Report No. 2020/26: "Long-Term Monitoring of Bridge Settlements using Vision-Based Embedded System." It was authored by Henry L. Teng and Khalid Mosalam, UC Berkeley.

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Abstract

The State of California is highly seismic, capable of generating large-magnitude earthquakes that could cripple the infrastructure of several large cities. Yet the annual maintenance of the State’s bridges,...

New PEER Report 2020/25: "Regionalized Ground-Motion Models for Subduction Earthquakes Based on the NGA-SUB Database"

January 15, 2021

PEER has just published Report No. 2020/25: "Regionalized Ground-Motion Models for Subduction Earthquakes Based on the NGA-SUB Database." It was authored by Norman Abrahamson, University of California, Berkeley and Zeynep Gülerce, Middle East Technical University.

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Abstract

A set of global and region-specific ground-motion models (GMMs) for subduction zone earthquakes is developed based on...

New PEER Report 2020/06: "Development of NGA-Sub Ground-Motion Model of 5%-Damped Pseudo-Spectral Acceleration Based on Database for Subduction Earthquakes in Japan"

January 7, 2021

PEER has just published Report No. 2020/06: "Development of NGA-Sub Ground-Motion Model of 5%-Damped Pseudo-Spectral Acceleration Based on Database for Subduction Earthquakes in Japan." It was authored by Hongjun Si, Seismological Research Institute Inc., Tokyo, Japan; Saburoh Midorikawa, Tokyo Institute of Technology, Tokyo, Japan; Tadahiro Kishida, ...

New PEER Report 2020/09: "Blind Prediction of Shaking Table Tests of a New Bridge Bent Design"

December 2, 2020

PEER has just published Report No. 2020/09: "Blind Prediction of Shaking Table Tests of a New Bridge Bent Design." It was authored by Selim Günay, Fan Hu, and Khalid Mosalam, UC Berkeley; Arpit Nema, Jose Restrepo, UC San Diego; Adam Zsarnoczay, Jack Baker, Stanford University.

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Abstract

Considering the importance of the transportation network and bridge structures, the associated seismic design philosophy...

New PEER Report 2020/05: "Conditional Ground-Motion Model for Peak Ground Velocity for Active Crustal Regions"

October 29, 2020

PEER has just published Report No. 2020/05: "Conditional Ground-Motion Model for Peak Ground Velocity for Active Crustal Regions." It was authored by Norman A. Abrahamson, University of California, Berkeley and Sarabjot Bhasin, Duke University.

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Abstract

Conditional models for the horizontal and vertical peak ground velocity (PGV), given the pseudospectral acceleration [PSA(T)] values, are...

New PEER Report 2020/04: "Partially Non-Ergodic Ground-Motion Model for Subduction Regions using the NGA-Subduction Database"

October 9, 2020

PEER has just published Report No. 2020/04: "Partially Non-Ergodic Ground-Motion Model for Subduction Regions using the NGA-Subduction Database." It was authored by Nicolas Kuehn and Yousef Bozorgnia, University of California, Los Angeles; Kenneth W. Campbell, Core Logic, Inc.; and Nicholas Gregor, Nicholas Gregor Consulting.

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Abstract
This report presents a summary of the development, evaluation, and...

New PEER Report 2020/01: "Modeling Viscous Damping in Nonlinear Response History Analysis of Steel Moment-Frame Buildings: Design-Plus Ground Motions"

June 11, 2020

PEER has just published Report No. 2020/01: "Modeling Viscous Damping in Nonlinear Response History Analysis of Steel Moment-Frame Buildings: Design-Plus Ground Motions." It was authored by Xin Qian, John A. Martin and Associates; Anil K. Chopra and Frank McKenna, University of California, Berkeley.

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Summary

This report investigates the question: can seismic demands on steel moment-frame buildings due...