Some Nigerians are building earthquake-proof homes from plastic bottles, turning trash into a sustainable and affordable housing material. The homes are made by filling plastic bottles with sand and stacking them like bricks, bound by mud and string. The homes are 20 times stronger than regular bricks, bulletproof, and insulated from the heat.

#PlasticBottles #EarthquakeProof #SustainableHousing

https://scoop.upworthy.com/nigerians-is-building-earthquake-proof-homes-from-plastic-bottles-576290-576290-576290-576290

Nigerians are building earthquake-proof homes from plastic bottles and it could be a game-changer

Upworthy

@haritulsidas I love it. Empty bottles will of course let in light, with lovely effect. See the work of Tessa Prisbey:

http://www.bottlevillage.com/

Grandma Prisbrey's Bottle Village Home

@WarrenSenders @haritulsidas bottles aren't empty. But perhaps you could leave some empty to get the lighting effect without compromising the wall/earthquake protection
@WarrenSenders @haritulsidas Also, see Earthships for another spin on this!
@haritulsidas
I saw a video with 3D printed prefabs with the bulk of the extruded material being recycled plastic bottles.
It's so interesting. I just love the possibilities 3D printed provides for adaptable engineering and beautiful design. That's one of the places investment should have gone. The opportunities for really breakthrough, flexible, and sustainable design are in 3D printing.
https://youtu.be/t7KbfPSDdmc?feature=shared
Housing crisis + plastic overflow = prefab made of used bottles

YouTube
@haritulsidas @Adam_Cadmon1 This is awesome. Why are we not doing this?
@haritulsidas If they're worried about running out of sand maybe they could use other non-recyclable products like foam packaging (assuming it's not dangerously flammable)? compacting stuff into plastic bottles also means no need for molds to cast them.
This needs further investigation and experimentation...
@haritulsidas it's an interesting idea, but it will be at the cost of constant micro plastics entering the local environment. Especially with them exposed to the sun at least on the ends.
@pixelpusher220 @haritulsidas yeah I personally don’t want to live surrounded by plastic that’s getting heated up on a regular basis. Obviously I would prefer this to being exposed to the elements, but I don’t want to be surrounded by hot plastic.

@maggiemaybe @haritulsidas hadn't even considered the air quality side of it!

I suspect the insides at least don't get too warm given the insulating properties of both sand and plastic itself. Still right outside though

@maggiemaybe @pixelpusher220 @haritulsidas I think they should at the very least do a mud plaster cover on the outside, to keep the bottles from degrading in the sunlight.
@haritulsidas If that plastic catches fire the fumes could be nasty.

@haritulsidas What provides the earthquake resistance? Is it the round shape of the bottles that form a kind of interlocking. If the string is organic - such as cotton - doesn't the string decay.

Here in California adobe bricks (and anything stacked without interlocking reinforcement) has not fared well in earthquakes.

@karlauerbach I'm guessing the shape and composition of the "sand compactly packed in plastic bottles" is why "the homes have 20 times the strength of bricks."

(The quotes are from Yahaya Ahmed of Nigeria’s Development Association for Renewable Energies by way of
Sethuraman S in the linked UPWORTHY article.)

@haritulsidas

@haritulsidas I hesitate to call B.S., but I'm going to need to see the shake table studies of this claimed sturdiness. Mud is going to adhere to bottles far worse than to bricks. How about we try to move away from unreinforced masonry (is mud technically even masonry?) in areas where earthquakes are common rather than try to add bottle recycling to the mix, literally.

@haritulsidas

Calling this "sustainable" is a lie. Sure, it upcycles the bottles for a couple of decades before they decay, but you have to deal with the plastic trash eventually.

The idea that plastic is a sustainable material that can be recycled is a lie that Big Oil has spent billions on propaganda to make us believe. Please don't contribute to spreading this lie.

The inconvenient truth is that we need to leave the oil in the ground.
https://www.npr.org/2020/09/11/897692090/how-big-oil-misled-the-public-into-believing-plastic-would-be-recycled

@haritulsidas I just wonder how much the bottles will last.
@haritulsidas sounds like they will have the insulating performance of an oven in hot weather. If they built from adobe, they would have natural air conditioning for no cost albeit they may have to rebuild after a severe earthquake.

@haritulsidas

What about the softeners?

Softener slowly leaches out of plastic. When there is so much plastic, there might be more softener in the air than good for children that might be sleeping next to the wall.

It might be phthalates that are harmful to peoples health.

PS: I am not an expert, just worrying.

@haritulsidas oh great, i had a similar idea (well, not with sand, but indeed using water bottles) years ago but of course never tried it, and ideas are worthless if you don’t try executing them, good on them for actually doing it!
There is so much good material, of standardized shape, that we throw away simply for being designed for packaging, it’s great to find long more useful usage to them.

@haritulsidas

I don't know why this tech doesn't get more attention. It. Is. Old.

That photo is probably from 2011.

https://www.bbc.com/news/world-africa-14722179

Nigeria's plastic bottle house

Nigeria's first house built from discarded plastic bottles is proving a tourist attraction in the northern village of Yelwa, writes the BBC's Sam Olukoya.

BBC News