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Fire

Structural fire resistance

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Displaying 26 - 50 of 54

Thermal response of a composite floor system to the standard fire exposure

December 1, 2019
Author(s)
Dilip K. Banerjee
This paper discusses the development of a finite element model (FEA) of a full-scale composite floor system and application of this model to predict the heating of steel members when exposed to a standard fire during fire resistance experiments. The model

Compartment Fire Experiments on Long-Span Composite-Beams with Simple Shear Connections Part 1: Experiment Design and Beam Behavior at Ambient Temperature

October 22, 2019
Author(s)
Selvarajah Ramesh, Lisa Choe, Mina S. Seif, Matthew Hoehler, William L. Grosshandler, Ana Sauca, Matthew Bundy, William E. Luecke, Yi Bao, Matthew Klegseth, Genda Chen, John Reilly, Branko Glisic
The National Institute of Standards and Technology recently expanded its large-scale structural-fire testing capabilities in the National Fire Research Laboratory. A landmark test series was conducted on long-span steel-concrete composite floor beams

Measuring Temperature Distribution in Steel-Concrete Composite Slabs Subjected to Fire Using Brillouin Scattering Based Distributed Fiber Optic Sensors

August 7, 2019
Author(s)
Yi Bao, Matthew Hoehler, Christopher M. Smith, Matthew Bundy, Genda Chen
This study investigates temperature distributions in steel-concrete composite slabs subjected to fire using distributed fiber optic sensors. Several 1.2 m x 0.9 m composite slabs instrumented with telecommunication-grade single-mode fused silica fibers

Improved Calculation Method for Insulation-based Fire Resistance of Composite Slabs

March 2, 2019
Author(s)
Jian Jiang, Adam L. Pintar, Jonathan M. Weigand, Joseph A. Main, Fahim Sadek
A calculation method for estimating the fire resistance of composite slabs with profiled steel decking according to the thermal insulation criterion is provided in Annex D of Eurocode 4 (EC4). In this study, comparisons between validated high-fidelity

Review of Fiber Optic Sensors for Structural Fire Engineering

February 20, 2019
Author(s)
Yi Bao, Ying Huang, Matthew Hoehler, Genda Chen
Reliable and accurate measurements of temperature and strain in structures subjected to fire can be difficult to obtain using traditional sensing technologies based on electrical signals. Fiber optic sensors, which are based on light signals, solve many of

Experimental Study of Fire-Induced-Delamination of Cross Laminated Timber

January 1, 2019
Author(s)
Daniel Brandon, Birgit Ostman, Joseph Su, Amanda Kimball, Matthew Hoehler
Cross Laminated Timber (CLT) is increasingly used as a structural material for tall buildings, due to its structural properties and low carbon footprint. CLT is a mass timber product, which is made by crosswise gluing layers of timber lamellae. Recent

Imaging Through Fire Using Narrow-Spectrum Illumination

July 23, 2018
Author(s)
Christopher M. Smith, Matthew Hoehler
This paper demonstrates a simple method to enhance visibility through clean-burning flames that allows new opportunities to perform optical metrology in fire research. The method combines narrow-spectrum, blue illumination and matched optical filters to

Influence of Fire on the Seismic Shear Capacity of Cold-Formed Steel Shear Walls

June 25, 2018
Author(s)
Blanca Andres Valiente, Matthew Hoehler
Lightweight construction using cold-formed steel (CFS) stud represent roughly 20 % of the multi-story nonresidential building market in the United States. During an earthquake, these buildings rely on the performance of their lateral force-resisting system

Experimental Fire-Simulator For Post-Flashover Compartment Fires

June 6, 2018
Author(s)
Daniel Brandon, Joachim Schmid, Joseph Su, Matthew Hoehler, Birgit Ostman, Amanda Kimball
The number of tall timber buildings around the world is rapidly increasing as a result of changes in regulations and the development of new engineered timber products. However, due to the combustibility of timber, the fire safety of tall timber buildings

Application of Digital Image Correlation to Structures in Fire

June 4, 2018
Author(s)
Christopher M. Smith, Matthew Hoehler
The behavior of engineering structures in fire is commonly studied through large-scale experiments. However, temperature-varying material properties, spatially-varying thermal loading and complicated structure geometries result in these structures
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