http://www.architizer.com/en_us/blog/dy ... dscrapers/
![Image](http://www.architizer.com/blog/wp-content/uploads/2012/03/tallwood-600x494.jpg)
I was thinking fire would be the big threat, but it sounds like engineers have worked around that problem.mean wrote:Wooden skyscraper + tornado = ?
Milwaukee’s proposed 25-story Ascent tower sounds like a conventional housing project. Scheduled to open in September 2022, It offers 250+ apartments with beautiful views of downtown Milwaukee and Lake Michigan. But one thing sets it apart from other housing towers in the U.S. — it’s supposed to be the world’s tallest timber tower.
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“Mass timber construction [a method of using timber for construction] requires 90% less construction traffic, 75% fewer workers on-site, and is 25% faster than traditional construction. All of these reductions factor into reduced emissions associated with the construction process,” Tim Gokhman of New Land Enterprises, the team behind the Ascent tower, told NextCity.
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Construction is typically one of the biggest sources of carbon emissions. According to the recent Global Status report, building and construction are responsible for more than 35% of all carbon emissions in the world, 40% in the United States. This number is estimated to nearly double by 2050 as millions of housing and commercial buildings are constructed each year.
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In addition to pulling carbon out of the atmosphere, “mass timber also helps builders avoid emissions-intensive building materials like concrete and steel,” Dodds adds. “Mass timber construction could help us avoid between 14% to 31% of global annual emissions by preventing the emissions that would occur through the use of concrete or steel in construction.”
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eight is another important factor to consider when constructing high-rise residences, Gokhman adds. “Cities around the world are actually slowly sinking. Years and years of urban development that takes into account the weight of a building but not the weight of a block, have contributed to a geological phenomenon called land subsidence.”
That’s where timber construction can help. Using their Ascent project as an example, they add, “Because Ascent is about 1/5th the weight of a concrete building of the same height, we can increase population density with a smaller footprint.”
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https://www.designboom.com/architecture ... 4-15-2022/Schmidt Hammer Lassen presents the design of its Rocket&Tigeli building, which will soon stand in Switzerland as the world’s tallest residential tower with a load-bearing structure in timber. During the next four years, the 100-meter-tall tower will rise in the city of Winterthur, which is located just northeast of Zürich near the German border. the project will exceed the height of the current tallest wooden tower — Norway’s 85.4-meter-tall Mjøstårnet building — by 14.6 meters.
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‘In the new system, the concrete core has been replaced with wood, resulting in the fact that the individual beam comes in at a lower weight. This makes it possible to build taller constructions while, at the same time, ensures that the entire building process achieves a lower amount of embedded carbon.’
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https://www.axios.com/wooden-skyscraper ... -buildings...
Driving the news: While Europe has embraced the mass timber movement, the U.S. is starting to catch up.
In October, the New York City Council approved the use of mass timber for buildings up to 85 feet tall — six or seven stories.
An 80-story wooden tower called the River Beech project is proposed for Chicago.
Carbon12, an eight-story condominium building in Portland, Oregon, made of cross-laminated timber (CLT), was in the vanguard when it opened in 2018.
When it's finished this summer, Ascent, a 25-story apartment tower in Milwaukee, "will be the world’s tallest mass timber structure (284 feet), surpassing Mjøstårnet in Brumunddal, Norway (277 feet)," according to Building Design + Construction magazine (BD+C).
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