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robertogreco : concrete   11

Root force: unstoppable urban trees – in pictures | Cities | The Guardian
"Some urban trees won’t be hemmed in by walls, pavements or concrete, their roots slowly working their way into the very structure of the city"
trees  roots  2015  cities  urban  streets  pavement  concrete 
december 2015 by robertogreco
How a Chinese Company Built 10 Homes in 24 Hours - China Real Time Report - WSJ
"Chinese companies have been known to build major real-estate projects very quickly. Now, one company is taking it to a new extreme.

Suzhou-based construction-materials firm Winsun New Materials says it has built 10 200-square-meter homes using a gigantic 3-D printer that it spent 20 million yuan ($3.2 million) and 12 years developing.

Such 3-D printers have been around for several years and are commonly used to make models, prototypes, plane parts and even such small items as jewelry. The printing involves an additive process, where successive layers of material are stacked on top of one another to create a finished product.

Winsun’s 3-D printer is 6.6 meters (22 feet) tall, 10 meters wide and 150 meters long, the firm said, and the “ink” it uses is created from a combination of cement and glass fibers. In a nod to China’s green agenda, Winsun said in the future it plans to use scrap material left over from construction and mining sites to make its 3-D buildings.

Winsun says it estimates the cost of printing these homes is about half that of building them the traditional way. And although the technology seems efficient, it’s unlikely to be widely used to build homes any time soon because of regulatory hurdles, Mr. Chen said.

The Chinese firm isn’t the first to experiment with printing homes. Architects in Amsterdam are building a house with 13 rooms, with plans to print even the furniture. The Dutch architect in charge of the project said on the project’s website it would probably take less than three years to complete."

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construction  hosuing  concrete  3dprinting  2014  china  architecture 
april 2014 by robertogreco
Orion Magazine - July/August 2012 - Page 46-47
"But there is another truth. Concrete is liquid before it is solid. The walls of the city are *poured* into place. You and I have got to get used to the fact that humans are sacks of salt water, but the city is no less ocean…"

"We stand on time and sand. We stand on truth. Waiting for the bus, we stand on forests of sea lilies flattened into streets. What is durable? The shadow of a roofline cast on a concrete wall. A memory of the swallows that once slid down the rising air above a city street. A yearning for the child who long ago walked out the door. The tube of emptiness inside a pipe. The smell of dust in silent light. Can we find the beauty in fleeting moments, held in the conscious mind? If not, all our loves will be sorrows. And all our astonishments will be overwhelmed by regret, that these wonders cannot last forever."

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emptiness  2012  liquidity  cities  memory  time  substantiality  liquid  concrete  kathleendeanmoore 
october 2012 by robertogreco
No Joke: These Guys Created A Machine For Printing Houses On The Moon | Co.Design: business + innovation + design
"First, you solve the material transport problem by making the moon base out of the moon itself. Second, you mitigate the "humans are expensive" problem by keeping them on the ground until the last minute--you use robots to build the base. Recently, USC Professors Behrokh Khoshnevis (Engineering), Anders Carlson (Architecture), Neil Leach (Architecture), and Madhu Thangavelu (Astronautics) completed their first research visualization for a system to do exactly that."
building  madhuthangavelu  bldgblog  neilleach  anderscarlson  behrokhkhoshnevis  houses  future  architecture  3dprinting  technology  fabbing  concrete  construction  timmaly  2012 
february 2012 by robertogreco
Matt Hern » Blog Archive » A FREEDOM FROM THINGS
"A lot of uneasiness about living life on-line gets focused around ‘work’. We’re a culture that simultaneously reveres and reviles work, but when that ‘work’ and/or employment means sitting on our asses for eight hours at a stretch, producing nothing tangible, talking to no one, expending almost no physical effort, not even the effort of banging on a typewriter, things get sketchy. And not just that creeping ontological anxiety, but a bodily twitchiness that’s more than needing to stretch for a minute."
material  physical  online  productivity  concrete  tangibility  matthern  work  internet  web  digital  matthewcrawford 
october 2009 by robertogreco
MIT engineers find way to slow concrete creep to a crawl - MIT News Office
"In their PNAS paper, the researchers show experimentally that the rate of creep is logarithmic, which means slowing creep increases durability exponentially. They demonstrate mathematically that creep can be slowed by a rate of 2.6. That would have a truly remarkable effect on durability: a containment vessel for nuclear waste built to last 100 years with today's concrete could last up to 16,000 years if made with an ultra-high-density (UHD) concrete." [via:]
materials  concrete  longevity  engineering  structures  density 
june 2009 by robertogreco
ed4wb » Blog Archive » Nu Tek vs Old Tek
"I try to shift thinking by asking questions. Why is the “low tech” building we’re in cooler? Who designed it? Is it a new or old design? Did the native people (once referred to as savages) who designed these types of buildings hundreds of years ago know something that the architects in Philly didn’t? Who’s the more advanced architect: the one in Philadelphia, sitting behind a computer, or the Taino indian that used to build these structures in a day? How do we decide what’s low-tech and what’s high-tech? Does the place where you build have anything to teach or can it be ignored?"
architecture  design  materials  sustainability  concrete  technology  santodomingo  hispaniola  carribean  dominicanrepublic  tropics  comments  schooldesign  environment  climate  suitability 
january 2009 by robertogreco
Incredible New Feats of Concrete
"Innovations in methods and ingredients have made possible lightweight bridges, color-changing buildings, and furniture created from this efficient material"
architecture  design  construction  material  concrete 
november 2007 by robertogreco
First screen made of concrete
"While screen technology is currently about new resolution and glossy colours, Innovation Lab have been co-operating with Christoffer Dupont, student of engineering; Lene Langballe, student of architecture and Dalton Beton on a screen made of transparent
architecture  design  materials  displays  light  concrete 
november 2006 by robertogreco

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