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Resilience

Earthquake risk reduction

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Displaying 1 - 25 of 310

Infographic on Post-Earthquake Functional Recovery Performance

February 10, 2025
Author(s)
Katherine Johnson, Siamak Sattar, Dustin Cook
In the U.S., building codes and standards have been developed to reduce the likelihood of building collapse but do not address the loss of building functions or recovery times due to earthquakes. When scaled to the community level, negative consequences

ICSSC Biennial Progress Report for 2024: Report on Progress Towards Implementation of Executive Order 13717: Establishing a Federal Earthquake Risk Management Standard - Reporting Period: February 2, 2022 to February 1, 2024

January 23, 2025
Author(s)
John Harris, Steven McCabe
Executive Order (EO) 13717: Establishing a Federal Earthquake Risk Management Standard establishes minimum seismic requirements for new and existing buildings that will be constructed, altered, leased, financed, or regulated by the Federal Government

Infographic on Post-Earthquake Functional Recovery Performance

January 3, 2025
Author(s)
Katherine Johnson, Siamak Sattar, Dustin Cook, Sandesh Aher
This research brief provides a research summary and research advancement details for the functional recovery post-earthquake performance objective being advanced by NIST's Engineering Laboratory. A current update on the status of functional recovery

Construction Quality and Assurance for Functional Recovery Design

September 6, 2024
Author(s)
Jakub Valigura, Dustin Cook, Siamak Sattar
As part of the ACI 374A Subcommittee on Design of Reinforced Concrete Structure for Functional Recovery, the authors held six expert panel discussions with experts in various aspects of building design and construction. The goal of the discussions was to

Functional Recovery in Modern Reinforced Concrete Buildings

July 5, 2024
Author(s)
Dustin Cook, ABBIE LIEL, Amir Safiey
In the field of structural engineering, functional recovery is a new, but non-standardized building design objective intended to improve a building's capacity to maintain or rapidly restore basic intended functions after a hazard event, such as an

Assessing Structural Performance Using Energy

June 30, 2024
Author(s)
Kevin K F Wong
Buildings in seismic regions are designed to sustain significant damage during major earthquakes with collapse. Traditional linear design procedures use a force-based approach to size the building structural members. Alternatively, performance-based

Building Seismic Stability - Code Provisions vs. Inelastic Behavior

June 30, 2024
Author(s)
Larry Fahnestock, Shitao Shi, Matthew Speicher
In a building, seismic stability is provided when the internal restoring forces resist the effective earthquake forces plus the destabilizing effects of gravity that arise when the building displaces laterally. Although this concept can be succinctly

Functional Recovery of Lifeline Infrastructure System Services

June 30, 2024
Author(s)
Craig Davis, Andrew Herseth, Katherine Johnson, Ayse Hortacsu
Services provided by lifeline infrastructure systems are critical to the recovery of social functions after an earthquake. Lifeline infrastructure includes water, wastewater, drainage, electric power, communications, gas and liquid fuels, solid waste, and

Lessons from the 2023 Southeast Turkiye Earthquakes: A Study on Damaged RC Buildings Considering the Hassan Index

June 30, 2024
Author(s)
Cemalettin Donmez, Jeff Dowgala, Meltem Eryilmaz-Yildirim, Muhammet Fethi Gullu, Lissette Iturburu, Fahri Baran Koroglu, Remy Lesquesne, Baki Ozturk, Santiago Pujol, Julian Rincon, Chungwook Sim, Matthew Speicher
A survey was conducted across 10 cities in Southeast Türkiye to classify damage in 242 reinforced concrete (RC) buildings constructed in the last 15 years, ranging from 2 to 16 stories. The 'robustness' of these buildings was quantified using ratios of

Initial Framework to Design Lifeline Infrastructure for Post-Earthquake Functional Recovery Volume 1

March 7, 2024
Author(s)
Craig A. Davis, Laurie A. Johnson, Anne Kiremidjian, Alexis Kwasinski, Thomas Denis O'Rourke, Ellis Stanley, Kent Yu, Farzin Zareian, Katherine Johnson, Ayse Hortacsu
Lifeline infrastructure systems provide services to support communities, including life safety, public health, and social-economic factors. They require both built assets and the human agency necessary to operate them, but there are no known frameworks

Initial Framework to Design Lifeline Infrastructure for Post-Earthquake Functional Recovery Volume 2

March 7, 2024
Author(s)
Craig A. Davis, Laurie A. Johnson, Anne Kiremidjian, Alexis Kwasinski, Thomas Denis O'Rourke, Ellis Stanley, Kent Yu, Farzin Zareian, Katherine Johnson, Ayse Hortacsu
This Volume 2 report serves as a companion document to Volume 1 that presents a framework to guide the reader through steps to achieve system level functional recovery of lifeline infrastructure systems exposed to earthquake events. The proposed framework