News tagged with concrete material
Recipe for success: Recycled glass and cement
(PhysOrg.com) -- Michigan State University researchers have found that by mixing ground waste glass into the cement that is used to make concrete, the concrete is stronger, more durable and more resistant ...
Feb 21, 2012 |
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Diamonds and dust for better cement
(PhysOrg.com) -- It's no surprise that humans the world over use more water, by volume, than any other material. But in second place, at over 17 billion tons consumed each year, comes concrete made with Portland ...
Dec 12, 2011 |
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Improved buildings could make a big dent in climate change
The construction and operation of buildings accounts for approximately 40 percent of all U.S. emissions of greenhouse gases. The most-used building material in the world, concrete, is used to construct many of the nation’s ...
Technology / Energy & Green Tech
Aug 31, 2011 |
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Researcher uses nanosilica to strengthen concrete (w/ video)
Every day, concrete structures crack and erode prematurely due to Alkali Silica Reactivity (ASR), a chemical reaction that causes fissures in the material as it sets. Jon Belkowitz, a doctoral student at Stevens Institute ...
Nanotechnology / Nanomaterials
Jun 21, 2011 |
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Concrete recycling may cut highway construction cost, landfill use
(PhysOrg.com) -- Purdue University civil engineers are working with the Indiana Department of Transportation (INDOT) to perfect the use of recycled concrete for highway construction, a strategy that could ...
Apr 22, 2011 |
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Recycled Haitian concrete can be safe, strong and less expensive, says Georgia Tech group
Nearly one year after a 7.0-magnitude earthquake rocked the Republic of Haiti, engineering and concrete experts at Georgia Tech report that concrete and other debris in Port-au-Prince could be safely and inexpensively recycled ...
Jan 04, 2011 |
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Greener cement offers concrete environmental benefits
From the Roman aqueducts to the Empire State Building, concrete is the most common manmade building material on the planet. It’s also one of the largest sources of industrial emissions: the red-hot kilns used to make ...
Dec 03, 2010 |
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'Green' concrete on display at Detroit Science Center
Geopolymer concrete, an innovative and environmentally-friendly building material developed at Louisiana Tech University's Trenchless Technology Center (TTC), will be featured in a transportation exhibition taking place at ...
Sep 28, 2010 |
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110-foot concrete bridge withstands 8.0 earthquake simulation (w/ Video)
After a succession of eight separate earthquake simulations, a 110-foot long, 200-ton concrete bridge model at the University of Nevada, Reno withstood a powerful jolting, three times the acceleration of the ...
Jun 16, 2010 |
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New research brings 'invisible' into view (w/ Video)
(PhysOrg.com) -- A group of researchers at Missouri University of Science and Technology has developed a handheld camera that uses microwave signals to non-destructively peek inside materials and structures ...
Oct 06, 2009 |
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'Green' research results in new geopolymer concrete technology
Dr. Erez Allouche, assistant professor of civil engineering at Louisiana Tech University and associate director of the Trenchless Technology Center, is conducting innovative research on geopolymer concrete ...
Sep 29, 2009 |
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Green Ideas: Making Concrete from Rice
(PhysOrg.com) -- Concrete accounts for about 5% of all human-related CO2 emissions. The fact that we use so much cement in building could mean that the issue becomes even more pronounced in the future. Bu ...
Jul 21, 2009 |
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Concrete experiment may eliminate storm drains
Shoreview, Minn., is betting on a new "green" concrete paving method that lets rainwater pass right through the street surface to prevent damaging runoff.
Jun 15, 2009 |
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How Solid Is Concrete's Carbon Footprint?
(PhysOrg.com) -- Many scientists currently think at least 5 percent of humanity's carbon footprint comes from the concrete industry, both from energy use and the carbon dioxide (CO2) byproduct from the produc ...
May 18, 2009 |
2.8 / 5 (4) |
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Self-healing concrete for safer, more durable infrastructure (w/Video)
(PhysOrg.com) -- A concrete material developed at the University of Michigan can heal itself when it cracks. No human intervention is necessary--just water and carbon dioxide.
Apr 22, 2009 |
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