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|Articles - May 2010|
|Monday, April 12, 2010|
Lumber mills generate tons of wood waste in the twigs, bark, branches and needles not used for lumber. “There is a constant push in our department to find alternative uses for this wood waste,” says Lech Muszynski, an assistant professor in the Department of Wood Science and Engineering at Oregon State University. Muszynski says the waste can be turned into a “flour” that makes a composite hybrid material when mixed with thermoplastic. He is experimenting with using that material for highway infrastructure, such as mileposts, sound walls, dividers and temporary snow fences. Those structures are currently made out of metal, concrete, petroleum-based plastic, or more expensive wood, materials with “a relatively high carbon footprint.” Though the composite is also petroleum-based, it contains less plastic. A small pilot study funded by OSU is being conducted with pavement markers. The study is identifying cost savings, determining the right ratios of wood waste flour to plastic, and studying reactions to ground contact and UV exposure. Muszynski is currently seeking funding and is already discussing commercialization with ODOT, which tells him the material has promise. “It’s not a very complicated or very expensive manufacturing process,” he says.
Tuesday, June 09, 2015
The technology at the center of Oregon’s road usage fee reform.
Thursday, June 18, 2015
Fireworks are a booming industry, even if the pyrotechnics have turned July 4th into a day fire marshals, and many residents, love to hate.
Wednesday, July 01, 2015
There are more than 10 million former military members working in the United States.
Wednesday, July 22, 2015
Charlie Hales has long viewed sound urban planning as the route to salvation: social, economic and environmental. This week, the mayor's city design philosophy got the nod of approval from a bona fide spiritual authority, Pope Francis.
Wednesday, July 15, 2015
We asked readers how Obamacare has impacted their business.
Thursday, July 09, 2015
The sweltering weather didn't keep the crowds away. Although the numbers were down slightly from last year, the Oregon Food Bank raised $850,636 to fight hunger. About 80,000 people attended despite temperatures in the upper 90s.
Tuesday, July 14, 2015
The Big One serves as an allegory for Portland, a city that earns plaudits for lifestyle and amenities but whose infrastructure is, literally, crumbling.
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