How highway bridges sing—or groan—in the rain to reveal their health
A team of BYU engineers has found that by listening to how a highway bridge sings in the rain they can determine serious flaws in the structure.
A team of BYU engineers has found that by listening to how a highway bridge sings in the rain they can determine serious flaws in the structure.
Engineering
Oct 22, 2012
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(Phys.org)—How much weight can a bridge made of balsa wood carry? When encased in a layer of fiber-reinforced resin, much more than you would expect, say engineers from EPFL. On October 12th, a composite bridge deck with ...
Engineering
Oct 19, 2012
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A ratings system developed by a group of Kansas State University researchers could keep bridges safer and help prevent catastrophic collapses.
Engineering
Jul 19, 2012
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(Phys.org) -- Led by Dr. John J. Myers, S&T researchers are working with designers at HC Bridge Co. to combine an ancient concrete arch form - dating back to the Roman empire - with a composite shell to create bridge beams ...
Engineering
Jun 5, 2012
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The new bridge over the Iowa River near downtown Iowa Falls is a major upgrade over the 1928 concrete arch structure it replaced last fall, once the longest arch span bridge in the state.
Engineering
Apr 24, 2012
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Swiss engineers have developed a new imaging technique that lets them see the insides of massive concrete bridges. Much like a sonogram, this technique provides quick, easy-to-interpret images, so that the health of these ...
Engineering
Apr 18, 2012
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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 with vehicles in ...
Engineering
Sep 23, 2011
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(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 at Missouri ...
Engineering
Mar 3, 2011
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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 disastrous 1994 ...
Engineering
Jun 16, 2010
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(PhysOrg.com) -- Damage to concrete bridges caused by rust can have fatal consequences, at worst leading to a total collapse. Now, researchers have developed an early-warning system for rust. Sensor-transponders integrated ...
Engineering
Apr 5, 2010
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