PEER Reports

PEER Reports

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 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...

New PEER Report 2020/03: "NGA-Subduction Global Ground-Motion Models with Regional Adjustment Factors"

August 18, 2020

PEER has just published Report No. 2020/03: "NGA-Subduction Global Ground-Motion Models with Regional Adjustment Factors." It was authored by Grace A. Parker, formerly of UCLA and now at the U.S. Geological Survey; Jonathan P. Stewart, University of California, Los Angeles; David M. Boore, Geophysicist (Emeritus, formerly of the U.S. Geological Survey) Los Altos, California; Gail M. Atkinson, Western University London, Canada; Bezhad Hassani, BC Hydro, Canada.

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New PEER Report 2020/02: "Data Resources for NGA-Subduction Project"

March 16, 2020

PEER has just published Report No. 2020/02: "Data Resources for NGA-Subduction Project." Chapters of the report have multiple co-authors from various institutions. The project Principal Investigator is Yousef Bozorgnia and the report Editor is Jonathan P. Stewart, both from UC Los Angeles.

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Abstract

The NGA-Subduction (NGA-Sub) project is one in a series of Next Generation Attenuation (NGA) projects...