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
Legislation | Aug 5, 2022
D.C. City Council moves to require net-zero construction by 2026
The Washington, D.C. City Council unanimously passed legislation that would require all new buildings and substantial renovations in D.C. to be net-zero construction by 2026.
| Aug 4, 2022
Newer materials for green, resilient building complicate insurance underwriting
Insurers can’t look to years of testing on emerging technology to assess risk.
Codes and Standards | Aug 3, 2022
Some climate models underestimate risk of future floods
Commonly used climate models may be significantly underestimating the risk of floods this century, according to a new study by Yale researchers.
Codes and Standards | Aug 2, 2022
New tools help LEED projects reach health goals
The U.S. Green Building Council now offers tools to support the LEED Integrative Process for Health Promotion (IPHP) pilot credit.
Codes and Standards | Jul 29, 2022
Few projects and properties are being built beyond code
Clients and architects disagree on how well building to code provides resilience, according to a recent report by the American Institute of Architects (AIA) in partnership with Owens Corning.
Multifamily Housing | Jul 28, 2022
GM working to make EV charging accessible to multifamily residents
General Motors, envisioning a future where electric vehicles will be commonplace, is working to boost charging infrastructure for those who live in multifamily residences.
Codes and Standards | Jul 27, 2022
Biden administration proposes drastic flood insurance reform
The Biden administration’s proposed major overhaul to the National Flood Insurance Program, or NFIP, would drastically alter how Americans protect homes and businesses against flooding.
Codes and Standards | Jul 22, 2022
Office developers aim for zero carbon without offsets
As companies reassess their office needs in the wake of the pandemic, a new arms race to deliver net zero carbon space without the need for offsets is taking place in London, according to a recent Bloomberg report.
Codes and Standards | Jul 22, 2022
Hurricane-resistant construction may be greatly undervalued
New research led by an MIT graduate student at the school’s Concrete Sustainability Hub suggests that the value of buildings constructed to resist wind damage in hurricanes may be significantly underestimated.
Building Team | Jul 20, 2022
San Francisco overtakes Tokyo as the world’s most expensive city for construction
San Francisco has overtaken Tokyo as the world’s most expensive city for construction, according to a new report from Turner & Townsend.
