Rice University engineers have developed a composite binder made primarily of fly ash, a byproduct of coal-fired power plants, that can replace Portland cement in concrete.
Materials Science
Jun 18, 2018
0
176
A new Duke University-led study has revealed the presence of radioactive contaminants in coal ash from all three major U.S. coal-producing basins.
Environment
Sep 2, 2015
48
140
New research from the University of Toronto Scarborough shows that animal dispersal is influenced by a gene associated with feeding and food search behaviours.
Plants & Animals
Feb 24, 2014
0
0
Rare-earth elements are in many everyday products, such as smart phones, LED lights and batteries. However, only a few locations have large deposits worth mining, resulting in global supply chain tensions. So, there's a push ...
Materials Science
Jun 23, 2021
1
6
Concrete has become our building material of choice for countless structures such as bridges, towers and dams. But it also has a huge environmental footprint mostly due to carbon dioxide emissions from the production of cement—one ...
Materials Science
Jan 11, 2021
0
77
Fly ash generated by coal-fired power stations is an environmental headache, creating groundwater and air pollution from vast landfills and ash dams. Some of the waste product can be repurposed into geopolymer concrete, such ...
Polymers
May 7, 2020
0
6
Concrete is the most widely used man-made material, commonly used in buildings, roads, bridges and industrial plants. But producing the Portland cement needed to make concrete accounts for 5-8% of all global greenhouse emissions. ...
Materials Science
Nov 19, 2019
0
10
Road salt, used in copious helpings each winter to protect them from ice and preserve safe driving conditions, is slowly degrading the concrete they're made of. Engineers have known for some time that calcium chloride salt, ...
Engineering
May 18, 2017
1
6
Portland cement has been around for more than 250 years as the binding material for concrete, mortar and stucco, but a Missouri University of Science and Technology researcher is studying ways to make concrete without the ...
Engineering
Mar 15, 2017
2
9
Concrete made using an industrial by-product has shown better fire endurance than traditional concrete when exposed to fires of nearly 1000 degrees Celsius.
Engineering
Jun 22, 2015
0
60
