The American Institute of Steel Construction (AISC) has released the first-ever set of U.S. recommendations for hybrid steel frames with mass timber floors, according to a news release.
Design Guide 37: Hybrid Steel Frames with Wood Floors, written by Arup, encourages the use of mass timber floor systems in construction, “an underused yet important material to reduce the amount of carbon-intensive concrete in a structure,” the release says. The guide provides a comprehensive context for this new building typology, detailing strategies from the perspective of multiple disciplines.
By facilitating this new generation of sustainable buildings, the guide will help accelerate the use of hybrid timber and steel in multistory residential and commercial construction. Mass timber is lightweight, and steel provides strength to structures and may better meet buildings’ vibration and span requirements.
Hybrid steel-frame buildings with mass timber floor panels allow for longer beam spans and reduced column size than comparable mass-timber post and beam construction, making it an attractive option for market-driven spaces such as office buildings. Cross-laminated timber (CLT) flooring can take the place of carbon-intensive concrete slabs and may be left exposed in places, such as at soffits, eliminating the need for additional architectural finishes and allowing for the showcasing of the structural aesthetics of both steel and mass timber.
“Mass timber and steel hybrid systems have tremendous potential to advance the building industry’s sustainability goals and reduce global emissions,” said Michelle Roelofs, associate principal at Arup. “Illuminating pathways for this hybrid topology will help accelerate the use of timber in place of more carbon-intensive materials.”
Related Stories
| Aug 11, 2010
Skanska completes $74 million Harbor Towers project six months ahead of schedule
Skanska USA Building Inc. announced the completion of a $74 million rehabilitation project at Harbor Towers, a 40-story luxury condominium complex comprising two towers located on Boston’s waterfront. Skanska served as Program Manager and oversaw the repair and replacement work that dramatically enhanced the reliability, cost-effectiveness, and energy efficiency of the buildings’ MEP systems.
| Aug 11, 2010
ASHRAE research targets tying together BIM and energy efficiency
Ensuring that a common language of “energy efficiency” is spoken by both building information modeling software used by architects and energy analysis and simulation software used by engineers is the goal of new research funded by ASHRAE.
| Aug 11, 2010
M&A deal volume down 67% in engineering/construction sector: PricewaterhouseCoopers
Global Economic Uncertainty Results in Sluggish Deal Activity in U.S.; China Shows Significant Opportunity for Growth
| Aug 11, 2010
New Watt Stopper emergency relay panel
Watt Stopper/Legrand has developed a new relay panel to provide fail-safe emergency lighting in a variety of commercial settings. The Emergency Relay Panel option is UL924 listed for use on emergency circuits. It is available as an option with Watt Stopper’s 24 or 48 relay size Lighting Integrator (LI) low voltage lighting control panels.
| Aug 11, 2010
Three Opus Corporation companies file for bankruptcy
Opus Corporation, a developer headquartered in Minnetonka, Minn., filed for bankruptcy in three of its five regional operating companies: Opus East, Opus South, and Opus West. CEO Mark Rauenhorst said sharp declines in commercial real estate values and tight credit markets caused difficulties in refinancing assets and restructuring lending agreements.
| Aug 11, 2010
ZweigWhite names its fastest-growing architecture, engineering, and environmental firms
Management consulting and research firm ZweigWhite has identified the 200 fastest-growing architecture, engineering, and environmental consulting firms in the U.S. and Canada for its annual ranking, The Zweig Letter Hot Firm List. This annual list features the design and environmental firms that have outperformed the economy and competitors to become industry leaders.
| Aug 11, 2010
'Too cold' and 'too hot' most common complaints among office workers, says IFMA study
The International Facility Management Association has released “Temperature Wars: Savings vs. Comfort,” a new study that takes an in-depth look at the most common thermal complaints made by workers and the variety of ways facility professionals respond to them.For many years, IFMA has surveyed facility professionals to learn the top office complaints among employees.
| Aug 11, 2010
SSOE, Fluor among nation's largest industrial building design firms
A ranking of the Top 75 Industrial Design Firms based on Building Design+Construction's 2009 Giants 300 survey. For more Giants 300 rankings, visit http://www.BDCnetwork.com/Giants