News tagged with bridge
Model analyzes shape-memory alloys for use in earthquake-resistant structures
Recent earthquake damage has exposed the vulnerability of existing structures to strong ground movement. At the Georgia Institute of Technology, researchers are analyzing shape-memory alloys for their potential ...
Feb 09, 2012 |
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Stretching exercises: Using digital images to understand bridge failures
(PhysOrg.com) -- With a random-looking spatter of paint specks, a pair of cameras and a whole lot of computer processing, engineer Mark Iadicola of the National Institute of Standards and Technology has been helping the Federal ...
Jan 11, 2012 |
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Nanocrystals make dentures shine
German chemists succeeded in producing a new kind of glass-ceramic with a nanocrystalline structure, which seems to be well suited to be used in dentistry due to their high strength and its optical characteristics. ...
Jan 05, 2012 |
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New fracture analysis plan would change bridge fabrication, inspection
One size does not fit all. By adding the word "not", this now completely revised adage rings true for at least one civil engineer.
Dec 12, 2011 |
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200-meter-long bridges without expansion joints: Is it possible?
Expansion joints are a nightmare in the maintenance of highway bridges. After a few decades, the junction points between the structure and the road begin to show signs of deterioration. Scientists at EPFL ...
Nov 02, 2011 |
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Engineers at Yale develop new type of mechanical memory
(PhysOrg.com) -- Research engineers at Yale University have succeeded in building a mechanical memory switch that is controlled and then read by lasers. In their paper published in Nature Nanotechnology, the te ...
Oct 25, 2011 |
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Engineers simulate large quake on curved bridge (w/ video)
Six full-size pickup trucks took a wild ride on a 16-foot-high steel bridge when it shook violently in a series of never-before-conducted experiments to investigate the seismic behavior of a curved bridge ...
Sep 23, 2011 |
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Plant thought extinct is still hanging on
The Franciscan manzanita - described by some as San Francisco's unicorn - thrives in a kind of botanical witness protection program.
Aug 07, 2011 |
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Averting bridge disasters: New technology could save hundreds of lives
Millions of U.S. drivers cross faulty or obsolete bridges every day, highway statistics show, but it's too costly to fix all these spans or adequately monitor their safety, says a University of Maryland researcher ...
Jul 29, 2011 |
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Bridge destruction to reveal clues about 'fracture-critical' spans
A civil engineer at Purdue University is taking advantage of the demolition of a bridge spanning the Ohio River to learn more about how bridges collapse in efforts to reduce the annual cost of inspecting large ...
Jul 28, 2011 |
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'Sensing skin' could monitor the health of concrete infrastructure continually and inexpensively
In 2009, the American Society of Civil Engineers (ASCE) assigned the grade "D" to the overall quality of infrastructure in the U.S. and said that ongoing evaluation and maintenance of structures was one of ...
Jun 29, 2011 |
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Where have all the dodos gone?
Biology professor Beth Shapiro is one part laboratory scientist and one part Indiana Jones style adventurer, traveling to remote locations to find fossilized bones and eggshells of ancient animals and extract ...
Jun 16, 2011 |
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Newly discovered natural arch in Afghanistan one of world's largest
Researchers from the Wildlife Conservation Society have stumbled upon a geological colossus in a remote corner of Afghanistan: a natural stone arch spanning more than 200 feet across its base.
Space & Earth / Earth Sciences
Mar 30, 2011 |
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Universal detector made of DNA building blocks
(PhysOrg.com) -- A method for detecting such diverse substances as antibiotics, narcotics and explosives - a universal detector, so to speak - has been developed by German researchers at the Max Planck Institute ...
Mar 30, 2011 |
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New camera makes seeing the 'invisible' possible
(PhysOrg.com) -- The science similar to the type used in airport body scanners could soon be used to detect everything from defects in aerospace vehicles or concrete bridges to skin cancer, thanks to researchers ...
Mar 03, 2011 |
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Bridge
A bridge is a structure built to span a valley, road, railroad track, river, body of water, or any other physical obstacle, for the purpose of providing passage over the obstacle. Designs of bridges will vary depending on the function of the bridge and the nature of the terrain where the bridge is to be constructed.
For more information about Bridge, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
