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TreeHugger reports:
Sumitomo Forestry, an industry giant in Japan, [is] pivoting to plyscrapers and proposing a 70-story, 350 meter (1148') tower for the Marunouchi district in Tokyo. It's called W350, the plan being that it will be finished in 2041, the 350th anniversary of the founding of the company.
[...] Using a hybrid 9:1 ratio of wood to steel, Sumitomo Forestry aims to replace concrete, which is one of the world's largest carbon footprint contributors. The skyscraper would be a 70-floor mixed-use building that would include a hotel, office space, commercial space, and residences. Wrap-around balconies at different intervals would be planted with lush wildlife. And greenery would extend throughout the entire complex, creating a vertical forest where humans and wildlife can flourish.
[...] It is a brace tube structure, "a structural system that forms a cylindrical shell (brace tube) with columns / beams and braces. By placing braces diagonally in a set of shafts assembled with columns and beams, it prevents the building from deforming against lateral forces such as earthquakes and wind."
The images are beautiful.
Previously: Super Wood Could Replace Steel
The Case for Wooden Skyscrapers
Can You Build A Safe, Sustainable Skyscraper Out Of Wood?
(Score: 3, Interesting) by frojack on Tuesday February 20 2018, @10:34PM
An hour long fire is pretty normal for fires in large buildings. It takes half that long just to get fire fighters to the scene, and up the stairs. Yet most of these buildings are saved. Even if one apartment is totally gutted by fire.
And maybe wood buildings would be saved as well. But the water used for firefighting also extracts a toll on wood, but not so much concrete and steel.
I'd fear water more than fire. Fire you put out and replace parts. Water gets everywhere, and you have rot showing up in hidden places for 20 years.
No, you are mistaken. I've always had this sig.