PEER Reports

PEER Reports

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.

Visit the PEER publications page to download a free color pdf of the document.

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.

Visit the PEER publications page to download a free color pdf of the document.

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.

Visit the PEER publications page to download a free color pdf of the document.

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.

Visit the PEER publications page to download a free color pdf of the document.

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.

Visit the PEER publications page to download a free color pdf of the document.

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.

Visit the PEER publications page to download a free color pdf of the document.


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.

Visit the PEER publications page to download a free color...

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.

Visit the PEER publications page to download a free color pdf of the document.

Abstract

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

New PEER Report 2019/09: "Seismic Behavior of Special Concentric Braced Frames under Short- and Long-Duration Ground Motions"

March 9, 2020

PEER has just published (December 2019) Report No. 2019/09: "Seismic Behavior of Special Concentric Braced Frames under Short- and Long-Duration Ground Motions." It was authored by Ali Hammad and Mohamed A. Moustafa, University of Nevada, Reno.

Visit the PEER publications page to download a free color pdf of the document.

Abstract

Over the past decade, several long-duration subduction earthquakes took place in different locations around the world, e.g., Chile in 2010, Japan in 2011,...