Building with raw earth - Poured earth
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- Опубліковано 11 вер 2024
- Building with raw earth - Poured earth
Creative Commons licence : BY + NC + ND
Production : amàco, les films du lierre
Client - Mairie de Manom
Architecture - Mil Lieux
Earth construction company - Wig France
www.amaco.org
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I’m still waiting for the “raw earth”
Building the way I think all buildings should be built, it's a living breathing building not like cement which is impervious, all that wall needed was a lime wash.
❤
Really Kids are Enjoying in the beautiful School!..
wwas it stabilized raw earth or just plane old mud
It's been over 4 years yet raw earth isnt prepared.
Looks like NHL (natural hydraulic lime) based concrete. Definitely it is not raw earth.
No, instead of cement they use calcinated gypsum.
Are you serious? This is just raw, pure and wet earth or there's a binder?
That's concrete, even if it's dirt based. There is even a concrete wall they have to support the earth with. Tisk tisk. Add straw, subtract concert wall, and add use sand to stabilize. They reinvented earthen building wrong. Cool looking though.
While I agree that this is a poor implementation of earth construction, so is anything using straw, a building material that should be left to the poor, the desperate, and the rural desert-dweller. It's an unstable, unreliable material that burns, rots, irreversibly loses strength in a wide variety of conditions, and is hugely dimensionally unstable. It's only "green" in the short-term, as it makes structures that otherwise might withstand rain, flood, fire, and time into something almost as disposable as the leaky, moldy, vermin-ridden tinderboxes that currently dominate residential construction.
Also, sand is an aggregate, not a stabilizer, and its function is to reduce drying shrinkage and improve fracture toughness, just like it does in concrete. Stabilizers improve inter-particle adhesion in some fashion, the most common examples being OPC and lime.
IrrelevantFish you make it sound so right, but ultimately your wrong. Cob, with straw intact, can last 500 years. Look it up. Later tader.
@@JohnWhite-gd4tx The key word there is "can." Yes, cob CAN last 500 years. Wood CAN last 500 years, too, and you CAN win the lottery. The chances are about the same, though, because cob, like wood, is not going to last if there's a fire, flood, plumbing accident, leaky gutter left unfixed for a few rainy weeks, etc, etc, etc.
Take the straw out of the cob, however, and you basically get rammed earth, which can last for THOUSANDS of years while experiencing fires, floods, and prolonged periods of outright abandonment.
So yeah. Go ahead. Use straw. Believe in flowers and fairies and rainbow-farting unicorns. I've lived in five apartment buildings, one condo, and six houses, most under ten years old, all well-maintained and in middle- to upper-class neighborhoods, and every single one has experienced a cob-destroying leak/flood while I lived there, none of them my fault. I believe in Murphy.
IrrelevantFish a leaky gutter or fire??? What cob houses are you dealing with. You cannot burn cob Mr. Fish. As for rain, it's all about hats and boots my friend. I have 6-10 foot overhangs(hats) on my cob barndominium, and it's foundation(boots) is a giant drain. Oh well, steer the couse. You don't have to use any of that terrible old straw.
@@JohnWhite-gd4tx When cob is subjected to fire, the straw initially loses nanostructure as thermal motion breaks hydrogen bonds and resident moisture hydrolyzes cellulose chains, becoming much weaker. If temperatures get high enough (and they will in a typical house fire), the straw will undergo pyrolysis, evolving hot gas as it becomes a shrunken, ashen imitation of its former self. Crack-bridging straw becomes crack-enhancing void full of pressurized gas that escapes in a series of tiny explosions, leaving a network of cracks behind. If you're lucky, you'll be alerted to the internal damage by spalling. If you're not, it'll all come tumbling down without warning, and you'll slowly bleed out in a pile of rubble, deeply regretting your decision to use straw.
So while cob doesn't burn, that just means it won't make matters worse when other stuff burns near it. If a strawberry Pop-Tart gets jammed in your toaster, you're still going to need a new house, particularly after the firehoses do their work.
And as for your lack of gutters on your overhangs? Well, a good, stiff breeze can blow rain and runoff back onto your walls, keeping them nice and wet so the straw can wick all that moisture inside, turning hardened earth back into mud, disrupting straw nanostructure, and paving the way for rot. If you're lucky, the wall will erode, crack, or effloresce, and you'll know your cob is FUBAR. If not ... well, refer to the above.
WHAT IS THE NAME OF THIS NURSERY SCHOOL? THAT'S A VERY INTERESTING WORK.
That's not raw earth it's concrete wtf
This is concrete. Raw earth with that amount of water would stay wet forever
A very few soils could be made that flowable and set/cure quite nicely on their own, but yeah, in all likelihood, they used stabilizing admixture(s) in there, though it isn't necessarily OPC. Most poured earth actually uses gypsum and/or lime and doesn't benefit from OPC addition.
i think its called stabilized rammed earth (when cement is in 5-8% range)
but in this case it was poured while plastic
the usual rammed earth have lower moisture
Teach me, please.
Totally fake
Pouring water