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Old May 10th, 2012, 09:17 PM   #1
julesstoop
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A compelling case for wood to build high-rises from

In this meaty report (<-- rather big PDF-file) architect Michael Green makes a compelling case for use as a construction material for buildings up to about 30 stories high.

An excerpt from arstechnica.com (<-- direct link to the article):

The report sets out a blueprint for the design of wooden structures up to 30 stories high, capable of performing in "high seismic areas" like his native Vancouver. Unusually for the construction industry, he's shared the report under a Creative Commons license. Ars looked into the report in detail, and spoke to Arup structural consultant and wooden buildings advocate Hans-Erik Blomgren for another perspective.
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Old May 10th, 2012, 09:48 PM   #2
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Why should highrise buildings be constructed out of wood? Usually, they're constructed from concrete or steel, but wood?
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Old May 11th, 2012, 01:51 AM   #3
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Chinese pagodas were made of wood to survive major earthquakes, many of them for thousands of years. I think there's only one or two that have ever been reported collapsing due to a tremor, in millennia.

The central pillar enables much of the weight to rest upon it, and is very flexible. It is a precursor to modern skyscraper design, where the central core of a tower provides the support.




The problem with wood buildings though is that over time they succumb to fire (which is how most pagodas bite the dust after a century or three), but modern treatment and fireproofing should ensure better safety with this regards.

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Old May 11th, 2012, 07:41 PM   #4
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Can wood withstand the modern demands of weight, though? Like all climate control materials, all stuff the average building gets over its floors? CAn it isolate noise?
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Old July 2nd, 2012, 09:52 PM   #5
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Bad Idea, it could fall apart much easier and collapse
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Old July 3rd, 2012, 12:10 AM   #6
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Glu-lam beams are bloody strong. Buildings are often over-engineered because there isn't considered an alternative. Engineered wood is just as strong as reinforced concrete in smaller buildings. The better the engineering, the taller the structure can become.

I can see this catching on - people tend to prefer wooden buildings, especially commercial or public buildings.
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Old July 4th, 2012, 11:48 AM   #7
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bamboo is stronger than steel btw, and much more flexible. Also very eco friendly - the fastest growing plant, up to 6ft a day.




it's still the material of choice for scaffolding in East Asia. At first it's too flexible, but after the 3rd floor it becomes strong and very rigid

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Old July 7th, 2012, 12:10 PM   #8
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The Stadthaus tower in London is quite an interesting example of a timbertower.

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Old July 7th, 2012, 01:33 PM   #9
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There was a 20fl/80m high wood highrise planned in Kirkenes in Northern Norway.



... But I don't think they got it approved.

Tread here: http://www.skyscrapercity.com/showthread.php?t=886016
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Old July 7th, 2012, 03:57 PM   #10
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What about fireproofing? What if the kitchen stove blows?
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Old July 7th, 2012, 04:17 PM   #11
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Another planned Norwegian wood highrise in Bergen. I got the impression that's approved according to its tread: http://www.skyscrapercity.com/showthread.php?t=716272

14 floors/48 meters high.



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Old July 10th, 2012, 06:56 PM   #12
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Actually, I take that back. Something like this would work well

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Old July 10th, 2012, 10:29 PM   #13
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I don't think making skyscrapers outta wood is a good idea. Forests already have a hard time surviving. I think wood should be used only when it is truly needed like for furniture and similar uses cause by far the most important use of wood is the generation of breathable air
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Old July 19th, 2012, 04:11 AM   #14
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This would never do well in the South of the US in that the termites and other bugs are really out of control and the moister all over the place would rip this thing down in less than ten years. Also wood burns really good in fact I think would should be banned from several suburbs in that even the new houses give the firedepartments a lot of mess to deal with.
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Old November 30th, 2016, 07:31 AM   #15
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Latest projects bringing high-rise wood application from concept to reality include:

- Timber Tower Research Project, by SOM
http://www.som.com/ideas/research/ti...search_project

- Brock Commons, 18-storey student residence in University of British Columbia, by Acton Ostry Architects
http://www.actonostry.ca/project/tal...brock-commons/

- 475 West 18th, 10-storey by ShoP Architecture,
http://www.shoparc.com/projects/475-west-18th/

- Framework, 12-storey cross-laminated timber residential building in Portland, Oregon, by Lever Architects
http://leverarchitecture.com/work/framework-2/

- Hoho Wien, 25-storey hotel in Vienna by Rüdiger Lainer + Partner.
https://www.lainer.at/hochstes-holzhaus-der-welt/?sc=4
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Old July 25th, 2017, 07:44 AM   #16
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The Paris area has proposed a mass-timber highrise building with 35 floors named "Baobab". It is probably the tallest one proposed anywhere in the world.

According to its architect, Michael Green Architecture (MGA), the wood products used in the "Baobab" building would store an estimated 3,700 metric tons of carbon dioxide.

Source: "Tall Timber: A Global Audit", a research study by CTBUH.
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Old July 29th, 2017, 08:13 PM   #17
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Doesn't anyone remember the Great Chicago Fire?
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