Two tree species native to the Northeast have been found to be structurally sound for use in cross-laminated timber (CLT) products.
Eastern white pine and eastern hemlock passed strength testing by a University of Massachusetts Amherst timber engineer. The findings, published in the Journal of Materials in Civil Engineering, suggest that these species could support local markets for CLT.
Researchers made composite building panels by gluing together wooden boards from hemlock and pine trees, and then broke them in a strength-testing machine. The researchers analyzed the results, comparing them to engineering requirements, and found that both tree species met building standards, with eastern hemlock outperforming pine.
Salvaging wood from eastern hemlock is a key forest-management priority because the trees are under attack by an insect, the hemlock wooly adelgid. The insect doesn’t harm the wood, but it kills the tree that then becomes hazardous fuel for forest fires.
Related Stories
Codes and Standards | Jun 6, 2018
LEED should be updated to combat climate change
Hasn’t kept pace with urgency of problem, says clean energy investor.
Codes and Standards | Jun 5, 2018
Sports stadiums and arenas showcase sustainability features
Green venues save owners money, gain positive publicity.
Codes and Standards | Jun 4, 2018
L.A. must transition to cleaner energy, boost transit to reach sustainability goals
City aims to reduce GHGs 60% by 2035 and 80% by 2050.
Codes and Standards | Jun 4, 2018
Washington D.C.’s flattened skyline can be a virtue
Zoning ordinance that ties building heights to width of streets dictates form.
Codes and Standards | May 30, 2018
Silicon Valley cities considering taxes aimed at large employers
The aim is to offset the impact on housing costs and homelessness by tech companies.
Codes and Standards | May 30, 2018
OSHA proposes new crane operator safety rule
Would provide long-term clarity on certification requirements.
Codes and Standards | May 29, 2018
Government support helping to drive demand for green building materials
Market projects to grow 12.5% annually between 2013 and 2019.
Codes and Standards | May 24, 2018
‘Amazon tax’ could slow Seattle’s construction boom
City imposes employer head count tax to fund affordable housing.
Codes and Standards | May 23, 2018
AAMA releases 2017/2018 fenestration market studies
Offers forecasts of industry trends.
Codes and Standards | May 22, 2018
Registration open for 2018 National Energy Codes Conference
U.S. Department of Energy event to be held July 15th-17th in Austin.