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A new study by researchers out of The Ohio State University investigates a different kind of design for absorbing vibrations that could better soundproof materials. Ryan Harne, senior author of the paper and former associate professor of mechanical engineering at Ohio State, along with... View full entry
Scientists at Rice University have published research which proposes repurposing waste tires in the production of concrete. By converting waste from rubber tires into graphene, the researchers believe the new composite can be used to strengthen concrete, and thus reduce the thickness of... View full entry
A team of researchers at Northeastern University has created a sustainable material that can cool buildings without the need for conventional AC systems. Led by associate professor Yi Zheng from the university’s College of Engineering, the team has developed a “cooling paper” made from... View full entry
The cases against concrete and its environmental impacts are prevalent in the AEC community. As a result, numerous attempts and research initiatives have been made to help mitigate the material's environmental impact. Research from firms like Snøhetta and their net-zero concrete to companies like... View full entry
Researchers at the University of Kassel in Germany have published their findings on the potential for smart glazing to transform building energy use. With buildings responsible for 40% of primary energy consumption, and 36% of total CO2 emissions, the team led by Harmut Hillmer sought to explore... View full entry
Scientists in the US have developed a paint significantly "whiter than the whitest paint currently available".
Tests carried out by researchers at Purdue University on their "ultra-white" paint showed it reflected more than 98% of sunlight.
That suggests, the scientists say, that it could help save energy and fight climate change.
— BBC
The paint's whiteness opens up a range of cooling features that, applied at an industrial scale, could limit the built environment's contributing effect to global warming and its dependency on traditional air conditioning. "If you were to use this paint to cover a roof area of about 1,000 square... View full entry
Results of a new five-year study of recycled concrete show that it performs as well, and in several cases even better, than conventional concrete. Researchers conducted side-by-side comparisons of recycled and conventional concrete within two common applications -- a building foundation and a municipal sidewalk. They found that the recycled concrete had comparable strength and durability after five years of being in service. — Science Daily
Find the complete study Recycled aggregate concrete from large-scale production to sustainable field application by University of British Columbia Okanagan researchers here. View full entry
Forest Products Laboratory (FPL) researcher Junyong Zhu in co-collaboration with colleagues from the University of Maryland and University of Colorado, have developed a transparent wood material that may be the window of tomorrow. Researchers found that transparent wood has the potential to outperform glass currently used in construction. — USDA Forest Service
The abstract of the researchers' paper A Clear, Strong, and Thermally Insulated Transparent Wood for Energy Efficient Windows points out that besides its energy-efficient qualities, transparent wood is a "sustainable material, with low carbon emissions and scaling capabilities due to its... View full entry
Material researchers from the United States Navy and Texas A&M University have developed a way to create 3d-printed steel that matches the tensile strength capabilities of traditional steel manufacturing. The approach relies on a mathematical model to, as Engineering.com reports, “optimize... View full entry
Scientists from round the world are meeting in Germany to improve ways of making money from carbon dioxide.
They want to transform some of the CO2 that’s overheating the planet into products to benefit humanity.
They don’t claim the technology will solve climate change, but they say it will help.
Carbon dioxide is already being used in novel ways to create fuels, polymers, fertilisers, proteins, foams and building blocks.
— BBC
BBC environmental analyst, Roger Harrabin, details three novel ways to turn excess carbon dioxide into potentially profitable carbon-negative products: high-grade fertilizer from agricultural waste products; food-grade beverage carbonation and biogas from horse manure; and most interesting for the... View full entry
A team of Boston University researchers recently stuck a loudspeaker into one end of a PVC pipe. They cranked it up loud. What did they hear? Nothing.
How was this possible? Did they block the other end of the pipe with noise canceling foams or a chunk of concrete? No, nothing of the sort. The pipe was actually left open save for a small, 3D-printed ring placed around the rim. That ring cut 94% of the sound blasting from the speaker, enough to make it inaudible to the human ear.
— Fast Company
"The mathematically designed, 3D-printed acoustic metamaterial is shaped in such a way that it sends incoming sounds back to where they came from," explain the Boston University researchers behind the discovery: Xin Zhang, a professor at the College of Engineering, and Reza Ghaffarivardavagh, a... View full entry
Cut peat blocks were already being used for building houses thousands of years ago. Now, scientists at the University of Tartu have developed a material which could make it possible to print energy-efficient houses out of milled peat and oil shale ash using a 3D printer. — Research in Estonia
"As peat and oil shale ash are not very expensive, house builders would be especially happy about the price of the material. According to Liiv, scientists calculated that the cost for the construction of a house shell printed from this material with a floor surface of 100–150 square meters could... View full entry
According to the CDP report, the cement industry is the second-largest industrial emitter of carbon after the steel industry. And when accounting for its use in human-made structures, it is responsible for more than a third of the world’s carbon emissions. But unlike the transportation sector, in which a new type of fuel can dramatically decrease the sector’s pollutants, cement’s problem is, well, cemented in its formulation [...] — The Outline
In his longform piece for The Outline, Mike Disabato explains why the cement industry shows little interest in earnestly reducing the tremendous environmental impact of its (nearly) indispensable product. "No one in the cement industry has seriously engaged in the herculean task of enhancing the... View full entry
The tinted world of tomorrow is coming, and airports—mini-cities of steel, concrete and lots and lots of glass—are interested. In a test last fall, Dallas-Fort Worth International Airport outfitted one of its gates with a new type of “smart glass” that can adjust for sunlight exposure. The obvious point is to keep travelers from getting overheated—but the exercise also brought a more lucrative benefit. — Bloomberg
A Cornell-led study at Dallas-Fort Worth Airport found that implementing a new type of electrochromatic 'smart glass' at one of its gates not only led to cooler, more pleasant surface temperatures in the waiting area, but the tinted glass, and the resulting dimmer light in the neighboring bars and... View full entry
[...] scientists say a simple and inexpensive new process can transform any type of wood into a material stronger than steel, and even some high-tech titanium alloys. [...]
The results are impressive. The team’s compressed wood is three times as dense as the untreated substance, Hu says, adding that its resistance to being ripped apart is increased more than 10-fold. It also can become about 50 times more resistant to compression and almost 20 times as stiff.
— Scientific American
Wood, so hot right now. Thanks to new and improved construction methods, there is barely a month going by without the announcement of record-breaking wooden structures and rapidly increasing height limits for cross-laminated timber skyscrapers around the world. Meanwhile material scientists are... View full entry
