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I am working in a building and I would want to put trees in the last floor of it (flat roof) I wonder how much depth do I need to put really big trees (pines) |
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You don't want to put trees on the roof. Believe me, the roots grow to be massive and they destroy the building. Costs millions to repair. There was a trend in vancouver to build buildings with rooftop gardens with trees, and now all the buildings are falling apart and leaking. |
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Well, its up to you whether or not you want to. It just strikes me as being a mistake. Albeit an estheticaly pleasing mistake. |
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If you do go ahead with that plan, keep in mind that the root system for the tree grows at least as far underground as the part of the tree that grows above ground, and it spreads out, not just down. |
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I am not sure, thats why I am asking I have thought of an estructural system that would give the trees 1.5 metres of depth to grow, but I wonder if that would be enough |
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are you sure about that? Imagine a 15 metre pine, it grows 15 mteres underground too? |
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It would be best to consult someone who's specialty is trees. They will most likely be able to tell you what kind of tree needs the least ammount of space for its roots. |
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Not straight down, but I was told once that trees have equal lenghts of root as it does branches. I just know it was a topic of conversation about the buildings downtown here, because even the small 6 or 7 foot tall trees are tearing the buildings apart. They have to regularly take them out and redo concrete, because the roots are stronger. |
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interesting fortunately this building wont be built, its only a proyect for a proyect idea prize I thought of a system of huge beams very close together so they can accommodate the sand for the trees... but I must think of it if it really is not possible |
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There's tons of book on rooftop architecture. It should be in any Architectural firm library that wants to do such things. A simple amazon search will give you lots of hints. After that it's up to you. Are you an architect? You should know these things. Anyway your question is pretty vague, there is much more information to be known to give you *any* kind of answer. (I work as a urban landscape architect) |
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A few words from our friend Marcin: depends what kind of beams you wantto use. structural concrete should be good for the roof system, at least mark B60. depends on what type of roof youre thinking about aswell. simple concrete beam is purely not enough.you would rather like to have some kind of slabs there, i would say at least 200mm thick.with that, you can avoid beams,but a pocket in wall has to be provided to protund steel from slab to walls anyway, just to keep the stability. if it is you whos doing a design of that,you should consult that idea,as it was said before, with someone who knows a lot about trees. notice that most of buildings of this kind have only bushes / small trees on the roof. 15m is a big load,whats worse,its centralized. you should avoid centralized loads on roof anyway. the wind does the troubles anyway,but in this case,the part of design consisting that trees should be treated as a completely different part of calculations,with summary results that should be considered as an addiction to the whole design. thats for the organization of whole thing. if you are about to do a design,in which i solely doubt, you would rather like to increase your CAD skills before tryin even to sketch such a thing. its absolutely not about the deepnes of the roof system. its about live loads, and calculations which should provide stability and LOW DEFLECTION, which is MOST IMPORTANT if were about to talk about trees on a roof. since you have NO IDEA about that, as i believe,you better contact some engineering company and try to put the idea on the table. avoid talking about your own addictions to the idea,as it would absolutely detsroy whole building,and people inside. spanish architecture might be good when it comes to idea of beeing a NACHO MODERN ARCHITECT YADA YADA,but you should avoid engineering problems as hard as you can.no good for anyone. thats my advice. thank you. |
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i didn't realize there were so many architects here. neat. |
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lol |
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I'm almost 100% sure that most roots are only a few millimeters under the soil, even in very large trees, and I think you should definetly put a lot of very very tall trees on top of a house right away. Any REAL architects would agree with me. |
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marcin wants you to put enforced concrete trees on the house |
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You should grow trees from the underside of the roof, pointing downwards into the rooms of the house, also. |
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hilarious attachment |
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vague? I just wanted to know how much depth do i need to grow big trees (so that they have enough space for roots) the rest is my problem, I am only asking about the trees I did a lot of google searching ... but roots dont seem to be an issue for the internet |
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hqhahahahha great idea! |
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Yep, very funny |
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no way, that's like just one brand of tree |
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I gave up the idea, aparently pines have roots that go too deep and wide I ll go for smaller trees (1,5m depth is enough for lots of species) and also I ll leave some pines in their original site, trespassing the building |
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nice pic! |
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Sorry for the vague thing... it's just that there's lots of problematic occuring in putting gardens on rooftops. What is a pine for you? There's several of them :) And what kind of building? How high is it? Is there any surroundings? Urban or rural architecture? Is there more just trees? What kind of flat roof? Working on a building... so you're an arch? A drafter? How far is the whole thing, is it just a design or building plans? That's why I wrote vague :-D |
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I know nothing about architecture, but if you had a shitload of money, wouldn't it be possible to encase the dirt in steel? I don't know if the roots would get a hold of the steel, but then as a secondary precaution, I'd make the steel box raised from the rest of the building (suspended on lots of tiny pillars.. just a few inches), and if I had lots and lots of money, the third precaution would be to make the compartement between the building and the box a vacuum and have things that sensed a change in air pressure so that if a root broke through the steel, it'd give off an alarm before the root got to any particular part of the building.. then you could just remove the root and weld the hole shut. |
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I would use hot molten lava instead of vacuum. |
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building: imagine down town. in a big city (madrid): the border between the urban texture and an big park right in the border I locate the building, its only two floors, but as the floor in the park is inclined, my roof is at the same heigh as the street level the park itself has lots of diferent trees (its an english garden, you know what I mean, not french) the building is a library with some other art happenings in it... kind of a cultural centre and I designed it in a way that its roof is some kind of balcony from the town to the park I am not putting big trees in the roog anymore |
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put some monkeys, dude. |
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I don't see how monkeys can solve the problem of roots, but they sure would make a nice addition to lava. |
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I'm thinking about VERY BIG MONKEYS. Something the size of gorillas... |
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Check out Feng Shui on internet site for type of trees and placement as you want to create a people space firstly. |
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People? No way, dude. That building should be exclusive for REALLY BIG MONKEYS!!! |
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I will only listen to unabomber´s suggerstions from now on |
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What does Feng Shui say about the placement of lava pond? |
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I dont like feng shui spirit sorry |
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I would never accuse you of liking it. |
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