November 8, 2017

Some ABCs of Smoke Control

By: Brian Kuhn, Qianru Guo

The biggest threat in a building fire is often the spread of smoke, which can incapacitate victims and prevent them from reaching otherwise accessible exits. This article discusses the various design methods available for smoke control systems,...

Services:Building Enclosure Design
Keywords:Fire Engineering, Fire/Smoke
October 30, 2017

Considerations for the 9th Edition Massachusetts State Building Code

By: David Bliss, Erik Farrington, Andrew Jeffrey, Brian Kuhn, Philip Moser

On 20 October 2017, the ninth edition of the Massachusetts State Building Code (MSBC, 780 CMR) went into...

Keywords:Code Compliance, Codes & Standards
October 23, 2017

Infrared Technology Application in Building Envelopes in the United States: Applications, ASTM Standards, and Limitations

By: Christopher Grey, Emily Wartman

This presentation and associated paper describe the three most popular referenced ASTM standard tests, the purpose of the tests, common challenges of building-envelope-related infrared work, and methods that can provide additional accuracy...

Services:Building Enclosure Investigation
Keywords:Building Science, Codes & Standards, Thermal
October 17, 2017

Guide to Flanged Windows: Tips for Navigating the Design and Installation Challenges of Finned Window Systems

By: Megan Toumanios, Anthony Nicastro

Megan Toumanios and Anthony Nicastro recently published an article in Glass Magazine, the official magazine of the National Glass Association. The article, “Guide to Flanged Windows: Tips for Navigating the Design and...

Services:Building Enclosure Design
Keywords:Glass and Glazing, Windows
October 4, 2017

Assuring Quality Adhesive Anchor Installations in the Americas

By: Neal Anderson, Michael Morrison, Donald F. Meinheit

Anchorage to concrete design provisions were first incorporated into the ACI 318 Code in 20021 as Appendix D. In 2011, the design provisions for adhesively bonded anchors were added to the ACI 318-11 Building Code Requirements for Structural...

Services:Structural Design
Keywords:Codes & Standards, Concrete
October 4, 2017

Buckling of Conventional and High-Strength Vanadium Steel Double-Angle Compression Members: Computational Parametric Study

By: Mark Webster, Ronald Mayes, Mohamed Talaat, Frank Kan, Ahmet Citipitioglu

High-strength, low-alloy vanadium (HSLA-V) steel offers higher strength and toughness than conventional steel. The resulting lighter weight and more slender structural components are more susceptible to buckling in compression.
This study...

Services:Materials Investigation
Keywords:Metal-Steel
October 4, 2017

Buckling of Conventional and High-Strength Vanadium Steel Double-Angle Compression Members: Computational Parametric Evaluation of Slenderness Modification Factors

By: Mohamed Talaat, Ronald Mayes, Mark Webster, Frank Kan, Ahmet Citipitioglu

High-strength, low-alloy vanadium (HSLA-V) steel offers higher strength and toughness than conventional steel. The resulting lighter weight and more slender structural components are more susceptible to buckling in compression. Of particular...

Services:Materials Investigation
Keywords:Metal-Steel
September 28, 2017

Evaluating Building Enclosures After Hurricanes

By: Andrew Jeffrey, Eric Olson, Peter Nelson
Hurricanes bring wind, rain, and flooding that can damage buildings, causing municipalities, asset managers, property owners, and insurance companies to seek information about their buildings’ condition. A post-hurricane assessment can help determine the extent and causes of damage to the building and its enclosure, including roofs, exterior wall cladding/siding, insulation, windows, and curtain walls.
Services:Building Enclosure Investigation
Keywords:Condition Assessment, Damage, Emergency Response
September 22, 2017

Influence of Edge Bearing on the Front-edge Shear Breakout Capacity

By: Neal Anderson, Donald F. Meinheit

ABSTRACT
Edge bearing stresses on shear-loaded anchorages can enhance the shear capacity because of the confining stresses provided by the compressive bearing stress. However, too much bearing stress can have a negative influence on...

Services:Structural Investigation
Keywords:Concrete, Metal-Steel, Shear Wall
September 22, 2017

Tension Tests of Headed Stud Anchorages in Narrow/Thin Edge Members

By: Neal Anderson, A. Koray Tureyen, Donald F. Meinheit

ABSTRACT
The Precast/Prestressed Concrete Institute (PCI) sponsored a comprehensive research program to assess the capacity of headed-stud group anchorages. The PCI program was initiated in response to significant differences...

Services:Structural Investigation
Keywords:Concrete, Laboratory Testing and Analysis

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