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Search Publications by: Matthew Hoehler (Fed)

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Displaying 26 - 50 of 60

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

Influence of Fire on the Lateral Resistance of Cold-Formed Steel Shear Walls – Phase 2: Oriented Strand Board, Strap Braced, and Gypsum-Sheet Steel Composite

March 5, 2019
Author(s)
Matthew S. Hoehler, Blanca Andres Valiente, Matthew F. Bundy
This report presents experimental investigations of the performance of cold-formed steel lateral force-resisting systems (CFS-LRFS) under combinations of simulated earthquake and fire loading. Three types of shear wall systems are investigated: gypsum

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

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

November 7, 2018
Author(s)
Matthew S. Hoehler, Blanca Andres Valiente
This paper presents experimental investigations of the performance of common lateral force- resisting systems used in cold-formed steel construction under sequential thermal (fire) and mechanical (earthquake) loading. Wall specimens with gypsum-sheet steel

A Novel Application of Silicone-Based Flame-Retardant Adhesive in Plywood

September 11, 2018
Author(s)
Mauro Zammarano, John R. Shields, Elizabeth D. Knowlton, Ickchan Kim, Matthew S. Hoehler
A silicone-based elastomer filled with vinyl-silane treated aluminum hydroxide was used as a flame- retardant adhesive for plywood, as a replacement for a conventional polyurethane-based adhesive. The shear strength and fire performance of such a silicone

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

FIRE PERFORMANCE OF LONG-SPAN COMPOSITE BEAMS WITH GRAVITY CONNECTIONS

June 6, 2018
Author(s)
Lisa Y. Choe, Selvarajah Ramesh, Mina S. Seif, Matthew S. Hoehler, William L. Grosshandler, John L. Gross, Matthew F. Bundy
Prescriptive fire-resistance ratings for structural components provide limited insight into the system-level performance of steel-concrete composite structures in fire. Specifically, long- span composite beam assemblies exposed to fire have vulnerabilities

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