Chinese tree towers

Trees and forests as they relate to and are depicted in art and music.

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#1)  Chinese tree towers

Postby Lucas » Mon Feb 27, 2017 5:09 pm

Image

https://goo.gl/d6mUHF

I am all for this but trees, soil, water and concrete seldom get along. It going to need some testing.

http://www.ikt.de/wp-content/uploads/2014/10/16-05-alvem-embren-trees-stormwater-management-stockholm.pdf

http://gibneyce.com/archive-67.html#Solution

They should look into these very interesting methods.
We travel the Milky way together, trees and men. - John Muir
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#2)  Re: Chinese tree towers

Postby Lucas » Mon Feb 27, 2017 5:25 pm

https://goo.gl/VvIsYo

More than just Chinese. Worldwide fad?
We travel the Milky way together, trees and men. - John Muir
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#3)  Re: Chinese tree towers

Postby Rand » Sun Mar 19, 2017 5:24 am

A local nature center for the Darby Creek Metropark has a green roof.  I took one look and wondered how they keep the cottonwoods out of it.  I asked about it, and they have a person who weeds/maintains it just like a regular flower garden.  So nice, I suppose, but probably not economical for widespread adoption.

Lucas wrote:I am all for this but trees, soil, water and concrete seldom get along. It going to need some testing.


Your 'tree towers'give me the same reaction.  Just how long before dampness and tree roots obliterate those nice, lust balconies?  That last waterproof membrane must be laid down with meticulous care.



I'm beginning to get the impression that the most important part of a tree is actually underground.
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#4)  Re: Chinese tree towers

Postby mdvaden » Mon Mar 20, 2017 6:34 am

I'm guessing the people promoting the idea push out hypothetical benefits much more than they reveal true costs.  The energy to build, support, raise water and maintain something like that, wouldn't surprise me if it causes more pollution and waste outside of it'self that doesn't meet the eye.

Similar to something I wrote about lasagna gardening. Not identical, but similar in that activity in one area is related to costs, pollution and activity in another area.

See > http://www.mdvaden.com/lasagna_gardening.shtml

Wrote that some years ago.
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#5)  Re: Chinese tree towers

Postby Erik Danielsen » Mon Mar 20, 2017 10:37 am

I suppose they could use species well suited to great exposure and minimal soil, like cedars, to at least get the visual concept executed without having to deal with the structural issues associated with deeper soils and more vigorous growers. Like a manmade cliff habitat.

That said, I'd agree with the notion that the environmental costs of building such a project would likely outweigh any potential benefit. Smarter would be increasing the number of tree-covered urban park spaces and taking better care of the trees in the ones that exist. The costs of building the project are likely to play a role in the drive to build it, honestly- at least if these other cities operate similarly to NYC, where the construction industry is a big player in calling the shots to encourage continuous development. Any concept that results in contracts is a concept they're willing to sell.
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#6)  Re: Chinese tree towers

Postby Joe » Mon Mar 20, 2017 2:01 pm

mdvaden wrote:I'm guessing the people promoting the idea push out hypothetical benefits much more than they reveal true costs.  The energy to build, support, raise water and maintain something like that, wouldn't surprise me if it causes more pollution and waste outside of it'self that doesn't meet the eye.

Similar to something I wrote about lasagna gardening. Not identical, but similar in that activity in one area is related to costs, pollution and activity in another area.

See > http://www.mdvaden.com/lasagna_gardening.shtml

Wrote that some years ago.


Certainly there will be cost - but I don't know why it should cause more pollution and waste beyond the structure. Think of the positive benefits. If I had to live in a concrete tower- having all that greenery would make it a bit more tolerable.
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#7)  Re: Chinese tree towers

Postby Erik Danielsen » Mon Mar 20, 2017 2:36 pm

Joe, have you seen the ones that are proposed to be built just for the sake of adding trees in vertical space? I see now that the original post featured residential towers that have greenery added to their facades, which I agree could have some benefits, though probably overstated- I was thinking of other projects that have been posted on facebook that propose to build entire towers just to be vertical layers of "forest" or garden in the middle of the city as opposed to an enhancement of a residential building, like these: https://www.stefanoboeriarchitetti.net/ ... -forest/or https://www.niftyhomestead.com/blog/vertical-farming/

Even on the residential ones, the trees depicted in the concept art are kinda iffy- good-size conifers and broadleaves with very little root space. For example the tower in Milan that's already been completed has, sensibly, much more modest shrubs and small trees than depicted in the concept art. Even then, the added material and structural requirements (concrete production being a major CO2 source) continue to make the environmental benefits of adding these plants to the building questionable. An overview here: https://www.dezeen.com/2014/05/15/stefa ... yscrapers/ and some followup reporting here: http://www.takepart.com/article/2014/02 ... cal-forest
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#8)  Re: Chinese tree towers

Postby Joe » Tue Mar 21, 2017 6:52 am

One problem I see with the larger plants is that what if some large "plant material" falls to the ground? Storms, earthquakes, etc. might cause some to fall. I bet the lawyers should be working on this. There will have to be a zone at the bottom to keep people away.
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