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Yating Zhang, Juan Fung, Dustin Cook, Katherine Johnson, Siamak Sattar
This paper reviews the state of the art in using benefit–cost analysis (BCA) to inform earthquake risk reduction decisions by building owners and policymakers. The goal is to provide a roadmap for the application and future development of BCA methods and
Michael F. Link, Rileigh Robertson, Dustin Poppendieck
In response to the COVID-19 pandemic, air cleaning technologies were promoted as useful tools for disinfecting public spaces and combating airborne pathogen transmission. However, no standard method exists to assess potentially harmful byproduct formation
Donald Scott, Jennifer Goupil, Melissa Burton, Catherine Gorle, Ahsan Kareem, Ted Stathopoulos, Bradley Young
In September 2022, the Structural Engineering Institute of the American Society of Civil Engineers commenced a project under National Institute of Standards and Technology Contract No. 133ND22PNB730391 to develop workshops on Advancement in Computational
Computational fluid dynamics (CFD) simulations for structural wind engineering applications require a fully developed boundary layer approach flow with horizontal homogeneity and zero pressure gradient for accurate characterization of wind loading on a
Mohammed Morovat, Joseph Main, Jonathan Weigand, Malcolm Ammons, Fahim H. Sadek, Long Phan
This report describes the development and validation of a computational modeling approach for steel gravity frames with composite floor systems subjected to fire exposure. A full-scale compartment fire test conducted on a two-story steel gravity frame
Jienan Li, Michael F. Link, Shubhrangshu Pandit, Marc Webb, Cholaphan Deeleepojananan, Kathryn Mayer, Lauren Garofalo, Katelyn Rediger, Dustin Poppendieck, Stephen Zimmerman, Marina Vance, Vicki Grassian, Glenn Morrison, Barbara Turpin, Delphine Farmer
Wildfires are increasing in frequency, raising concerns that smoke can permeate indoor environments and expose people to chemical air contaminants. To study smoke transformations in indoor environments and evaluate mitigation strategies, we added smoke to
Michael F. Link, Jienan Li, Jenna Ditto, Han Huynh, Jie Yu, Stephen Zimmerman, Andrew Shore, Katelyn Rediger, Jonathan Abbatt, Lauren Garofalo, Delphine Farmer, Dustin Poppendieck
Energy-efficient residential building standards require the use of mechanical ventilation systems that replace indoor air with air from the outdoors. Transient outdoor pollution events can be transported indoors via the mechanical ventilation system, and
Gabriel Taylor, Anthony D. Putorti Jr., Scott Bareham, Christopher U. Brown, Wai Cheong Tam, Ryan Falkenstein-Smith, Stephen Fink, Michael Heck, Edward Hnetkovsky, Nicholas Melly, Kenneth Hamburger, Kenneth Miller
This report documents an experimental program designed to investigate high energy arcing fault (HEAF) phenomena for medium-voltage, metal-enclosed bus ducts and switchgear. This report covers full-scale laboratory experiments using representative nuclear
Ashley Russell, Kerrianne Buchanan, David Griffith, Heather Evans, Dimitrios Meritis, Lisa Ng, Anna Sberegaeva, Michelle Stephens
The 2023 National Institute of Standards and Technology Environmental Scan provides an analysis of key external factors that could impact NIST and the fulfillment of its mission in coming years. The analyses were conducted through three separate lenses
Juan Fung, Yating Zhang, Dustin Cook, Siamak Sattar, Katherine Johnson
This article reviews current research and development efforts to advance the science supporting post-earthquake recovery-based performance objectives for buildings and critical lifelines in the United States. In particular, the article highlights advances
Retrofit and repair of structures occur under differing circumstances but are both necessary to improve existing building stock and increase resilience of communities against hazards. FRP is an attractive option for both retrofit and repair because of its
Andrew Sen, Dustin Cook, ABBIE LIEL, Tarbin Basnet, Russell Berkowitz, Ariel Creagh, Wassim Ghannoum, Ayse Hortacsu, Insung Kim, Hamid Koodiani, Dawn Lehman, Laura Lowes, Adolfo Matamoros, Farzad Naeim, Siamak Sattar, Rob Smith
The U.S. consensus standard for seismic evaluation and retrofit of existing buildings, ASCE/SEI 41, establishes provisions for seismic analysis procedures that vary in complexity and fidelity. Although ASCE/SEI 41 provides detailed nonlinear dynamic
Long Phan, Jonathan Weigand, Fahim H. Sadek, Adam L. Pintar, Sorin Marcu, Travis Thonstad, Timothy Barrett
A series of 19 beam specimens, with varying stirrup spacing and tensile lap splice lengths, were tested at the National Institute of Standards and Technology (NIST) under four-point loading to investigate the impact of alkali silica reaction (ASR) on the
Dustin Poppendieck, Toby J. Carter, David Shaw, Nicola Carslaw
In recent decades, the role of the indoor microenvironment in our exposure to air pollutants has become clearer. Indoor air pollutants are emitted from common household items, including building materials and furnishings, and can then undergo chemical
Jason D. Averill, Therese P. McAllister, Andrew K. Persily, Scott Weaver, James Whetstone, Jiann C. Yang, Michael Kuperberg, Sumant Nigam, Alfredo Ruiz-Barradas
NIST hosted a workshop to advance the availability of climate information sought by organizations developing standards, model building codes, and voluntary certifications by convening interactions between the building codes and climate science communities.
Steven Emmerich, Brian Polidoro, Matthew Hnatov, Janet Buyer, Matthew Brookman
This report documents work performed by the U.S. National Institute of Standards and Technology (NIST) and the U.S. Consumer Product Safety Commission (CPSC or Commission) under an interagency agreement in support of the Commission's effort to address the
To reduce the impacts of disasters on communities, recent initiatives have focused on improving the performance of the building stock by designing for limited damage and downtime. Through these initiatives, researchers and engineers have highlighted the
Selvarajah Ramesh, Lisa Choe, Matthew Hoehler, Matthew Bundy
This paper presents the results of compartment fire experiments conducted on 9.1 m × 6.1 m steel-concrete composite floors in a full-scale, two-story, two-bays by three-bays steel gravity frame building to investigate the fire resilience of these widely
Zhidong Zhang, Matthew Speicher, Amanpreet Singh, Tara Hutchinson, Benjamin Schafer
This study proposes a modeling protocol for the lateral performance of cold-formed steel (CFS) framed wall-lines that contain both steel sheet sheathed shear walls as well as gravity walls and may include the impact of non-structural finish on these wall
Alexander Maranghides, Shonali Nazare, Eric Link, Matthew Bundy, Matthew Hoehler, Steven Hawks, Frank Bigelow, William (Ruddy) Mell, Anthony Bova, Derek McNamara, Tom Milac, Faraz Hedayati, Daniel Gorham, Xareni Monroy, Murray Morrison, Bob Raymer, Frank Frievalt, William Walton
This report describes the experiments conducted during the first phase of a multi-phase project designed to assess structure-to-structure fire spread for structures in the Wildland-Urban Interface (WUI). The experiments focused on quantifying thermal
Based on previous air quality studies focused on environmental test chambers or the characterization of filament emissions, desktop 3D printers have been shown to generate particle emissions and volatile organic compounds during printing operations. Due
Given the recent focus on recovery-based design, this study examines the effect of increased design strength and stiffness requirements on the functional recovery performance for a set of eight reinforced concrete moment frame archetypes. Each archetype is