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Electrifying cement with nanocarbon black


Credits:
Photo: Andrew Logan
Caption:
By running current through this mortar sample made with nanocarbon-doped cement, Chanut and Soliman were able to warm it to 115 F (see thermometer display on the right).
Credits:
Photo: Andrew Logan
Caption:
Researchers tested the mechanical properties of their samples by using scratch tests. The results of the testing can be seen on the surfaces of the samples.
Credits:
Photo: Andrew Logan
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Since its invention several millennia ago, concrete has become instrumental to the advancement of civilization, finding use in countless construction applications from bridges to buildings
. And yet, despite centuries of innovation, its function has remained primarily structural. ....

United States , Franz Josef Ulm , Nancy Soliman , Nicolas Chanut , Scientific Research , Ready Mixed Concrete Research , Department Of Civil , Portland Cement Association , Education Foundation , French National Center , Sustainability Hub , Physical Review Materials , North America , Environmental Engineering , Concrete Sustainability Hub , ஒன்றுபட்டது மாநிலங்களில் , ஃப்ரான்ஸ் ஜோஸெஃப் அல்ம் , நான்சி சொலிமாண் , அறிவியல் ஆராய்ச்சி , ரெடீ கலப்பு கான்கிரீட் ஆராய்ச்சி , துறை ஆஃப் சிவில் , போர்டிலந்ட் சிமென்ட் சங்கம் , கல்வி அடித்தளம் , பிரஞ்சு தேசிய மையம் , நிலைத்தன்மை மையம் , உடல் விமர்சனம் பொருட்கள் ,

Fengdi Guo awarded first place in LTTP Data Analysis Student Contest


Credits:
Photo: David Wilson/CC BY 2.0
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Pavement deterioration takes many forms. It can manifest in almost imperceptible flaws, like surface roughness, to much more evident distresses, such as web-like alligator cracks. While the causes of these distresses are numerous, one cause, in particular, can impose an intractable burden: the weight of a vehicle.
In a prize-winning paper, Fengdi Guo, a PhD candidate at the MIT Concrete Sustainability Hub, helps clarify the layered relationship between traffic weight and pavement deterioration. The machine learning models he proposes have found that traffic weight induces specific kinds of damage in asphalt pavements, accelerating their deterioration rates. Concrete pavements, however, proved insensitive to traffic weight. ....

United States , Fengdi Guo , American Society Of Civil Engineer Transportation , Ready Mixed Concrete Research , Development Institute , Portland Cement Association , Us Energy Information Administration , Education Foundation , Transportation Research Board , Sustainability Hub , Overweight Vehicles , Pavement Performance , Challenge Category , Student Contest , Federal Highway Administration , American Society , Civil Engineer Transportation , Research Board , Information Administration , Term Pavement Performance , Mit Concrete Sustainability Hub , Mit Students , Pavement Deterioration , Traffic Weight , Ltpp Analysis Student Contest , Recurrent Neural Network Rnn ,