by Web Editor | Jul 16, 2018 | News
OSU Gets Grant For Cross-Laminated Timber Research
Oregon Senators Jeff Merkley, the top Democrat on the Senate Appropriations Agriculture subcommittee, and Ron Wyden announced Thursday that a nearly half-million dollar U.S. Department of Agriculture grant was awarded to Oregon State University for research on the durability of cross-laminated timber, an innovative product that is helping to advance wood as a construction material for tall buildings.
“We have been working to establish Oregon as a hub for mass timber products, using local timber and bolstering our forest products economy,” said Merkley, who each year on the Appropriations Committee has fought to fund this important grants program.
“This research at OSU supports the innovative manufacturing that helps to create jobs in the rural part of the state, and lays the groundwork for tall wood building construction in urban parts of the state. I will continue to use my seat on the appropriations committee to get this important research and development funded.”
“Oregon is leading the way in developing state-of-the-art timber products that are revolutionizing our nation’s construction industry,” Wyden said. “This funding supports the ongoing research and innovative work Oregon State University is doing to ensure timber products can continue to spark economic growth and create good-paying jobs across Oregon.”
“Oregon State University is at the forefront of research to inform engineering design guidelines for cross-laminated timber structural systems,” said Anthony S. Davis, Acting Dean of the Oregon State University College of Forestry. “This grant award is another example of the excellent research done by scientists affiliated with OSU and the TallWood Design Institute.
Read more on this from KTVZ 21 News at ktvz.com
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by Web Editor | Mar 26, 2018 | News
From: Panel World Editors
Officials with Oregon State University are investigating a construction incident when a CLT panel failed in mid March at a campus building project. A 4×20 ft. panel, part of the sub flooring between the building’s second and third floors, gave way after delaminating on one end. No construction personnel were in the area and no one was injured. The panel was replaced, other sections of CLT sub flooring were shored up, and work was halted on other CLT sections.
Steve Clark, OSU vice president of marketing and university relations, said the university is bringing in an outside engineering firm to determine cause of the failure and whether any other CLT portions of construction were at risk of failure, and CLT work will resume once any issues are addressed. Ironically, the new Peavy Hall building is home to OSU’s renowned College of Forestry, and the building is designed to showcase Oregon’s forest industry and the relatively new (in North America) mass timber construction movement. However, Clark says project managers “have the utmost confidence in CLT” and plan to finish the project as designed using CLT. The project’s CLT panels are being supplied by D.R. Johnson Lumber of Riddle, Ore., which was the first U.S. producer to gain CLT certification in 2016.
by Web Editor | Nov 30, 2016 | News
A new massive plywood building panel developed by an Oregon company and tested at Oregon State University may be the largest such product ever manufactured.
Builders are familiar with standard plywood sheets that measure 4-feet wide, 8-feet long and between a quarter-inch and more than one-inch thick. The new panels made by the Freres Lumber Company of Lyons, Oregon, can be as much 12-feet wide, 48-feet long and 2-feet thick.
The company announced its new panels in October, capping more than a year of development and performance testing at Oregon State’s Advanced Wood Products Laboratory. “The results look very promising,” said Ari Sinha, assistant professor in OSU’s College of Forestry, who oversaw the tests. “This is a unique product with the potential for creating jobs in rural Oregon.”
Versatility is one of the benefits of the product known as a Mass Plywood Panel (MPP). “These panels can be customized for different applications. Because they have very good compression qualities, they could be used for columns as well as panels,” said Sinha. The veneer manufacturing process enables manufacturers to orient wood grain and to distribute the defects found in smaller trees, such as knots, in a way that maintains the strength of the final product, Sinha added.
Tests in Sinha’s lab focused on the panels’ structural and physical properties such as density, adhesive bonding and resistance to the kinds of vertical and horizontal stresses experienced in an earthquake. Additional tests are planned after the first of the year. Mass Plywood Panels can achieve the performance characteristics of a similar product known as Cross Laminated Timber panels with 20 to 30 percent less wood.
From Phys.org: https://phys.org/news/2016-11-prototype-plywood-panels-world-largest.html
by Web Editor | Feb 22, 2016 | News
Oregon wood researchers hope to bring a new type of engineered lumber to market after tests to make sure it meets state building codes. Oregon State University has been notified that it will receive a $447,000 grant from the federal Economic Development Administration for the testing of cross-laminated timber, or CLT.
The testing will allow the development of manufactured wood products that meet state building codes so the products can be approved for the construction of large buildings, said Geoff Huntington, director of strategic initiatives for OSU’s College of Forestry.
“Our objective is to make CLT and other innovative uses of mass timber products technically feasible, economically viable and accessible alternatives for architects and developers seeking to use Oregon products to meet growing consumer demand for healthy, sustainable buildings,” he said. Plans for Oregon’s first cross-laminated timber buildings already are on the drawing boards.
CLT is composed of large wooden panels made with hundreds of pieces of wood, typically 2-by-4s or 2-by-6s laid perpendicular and glued together, Huntington said. The wooden panels are large, ranging from 10-feet-by-20-feet to 20-feet-by-40-feet. They can be used for walls, ceilings and floors, typically in buildings several stories tall, he said.
The product has been used in multistory buildings in Europe and Canada for several years, but the engineered wood hasn’t been approved for construction purposes in the United States, Huntington said.
From The Register-Guard: https://registerguard.com/rg/news/local/34077270-75/oregon-researchers-tout-potential-of-new-manufactured-wood-in-building-industry.html.csp
