Bridge Current Events

Bridge Current Events, Bridge News Articles.
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Why did the London Millennium Bridge 'wobble'?
A new study finally explains the Millennium Bridge 'wobble' by looking at how humans stay balanced while walking. (2008-12-16)

Picking up bad vibes to gauge bridge health
By monitoring changes in vibrations of bridges it is possible to identify hidden cracks and fractures, according to a Queensland University of Technology researcher. QUT engineering researcher Henry Shih said variations in bridge vibrations of a bridge could be a telling sign of its structural (2007-05-02)

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. Employing a method called impact-echo testing, professors Brian Mazzeo and Spencer Guthrie can diagnose the health of a bridge's deck based on the acoustic footprint produced by a little bit of water. Specifically, the sound created when a droplet makes impact can reveal hidden dangers in the bridge. (2012-10-22)

Is it a bird, is it a plane, no it's a bridge!
A government lab in Teddington has taken on its biggest sample for analysis to date -- a 14-ton footbridge. (2008-04-01)

Bridge strengthening research
These days, a drive across a bridge is not always a pleasure cruise. Mindful of the war on terrorism, it can often be a cautious experience. This summer, the possibility of sabotage was quickly examined -- then dismissed -- when the I-35 West bridge tragically collapsed in Minneapolis. (2007-09-14)

Bridge Bedside Scanning System, patient safety--focus of HIMSS book award, educational session, etc.
Attendees at the 2003 HIMSS (Healthcare Information and Management Systems Society) meeting -- scheduled for Feb. 9-13 -- will have ample opportunity to learn more about MedPoint(tm), Bridge Medical's award-winning barcode-enabled point-of-care (BPOC) patient safety software. (2003-01-24)

Crossing the gap: Civil engineers develop improved method for detecting, measuring bridge damage
A ratings system developed by a group of Kansas State University researchers could keep bridges safer and help prevent catastrophic collapses. The researchers have created a bridge health index, which is a rating system that more accurately describes the amount of damage in a bridge. Additionally, the health index can extend beyond bridges and apply to other structures, such as gas pipelines, dams, buildings and airplanes. (2012-07-19)

Cincinnati Bridge Becomes National Safety Test Site
An abandoned bridge near the University of Cincinnati campus has become a national test site for engineers trying to determine when highway bridges are no longer safe. Three new sensing and monitoring technologies are already being used on the bridge, including a novel photographic system which is both portable and relatively inexpensive (1996-09-09)

Rutgers receives national funding toward $17.9 million bridge technology project
The Rutgers Center for Advanced Infrastructure and Transportation has been awarded US Commerce Department funding toward a $17.9 million project aimed at improving bridge maintenance and safety. Funding from Commerce's National Institute of Standards and Technology will cover $8.8 million of the project. Technologies being developed will help highway crews detect flaws in bridge decks at an early stage, often before they would show up in traditional inspections. (2009-12-22)

U of Minnesota's independent study of the I-35W bridge collapse results parallel NTSB report
Preliminary results of the University of Minnesota's independent academic study of the I-35W bridge collapse suggest that lack of robustness in the bridge's original design, additional load from bridge improvements over the years, weight from construction materials and stresses induced by temperature changes contributed to the collapse of the I-35W bridge on Aug. 1, 2007. (2008-11-20)

Louisiana Tech engineering students earn top honors at concrete canoe, steel bridge competitions
Louisiana Tech University's student chapter of the American Society of Civil Engineers won first place in several categories including concrete canoe and steel bridge during the Deep South Regional Conference at Mississippi State University. (2011-04-11)

Tropical birds waited for land crossing between North and South America: UBC study
Despite their ability to fly, tropical birds waited until the formation of the land bridge between North and South America to move northward, according to a University of British Columbia study published this week in the Proceedings of the National Academy of Sciences Early Edition. (2009-12-09)

Safety codes can lead to over-built bridges, higher building costs
A UBC researcher says bridges built to meet current Canadian safety codes are being 'overbuilt' and may not withstand a major earthquake. (2017-01-25)

Golden Gate Bridge reveals influence of 'shadow government' agencies
As the Obama administration prepares to disperse economic stimulus money for infrastructure, a timely new book sheds light on special districts, the (2009-03-23)

Biomechanical model could reduce wobbling of pedestrian bridges
The dangerous wobbling of pedestrian bridges could be reduced by using biomechanically inspired models of pedestrian response to bridge motion and a mathematical formula to estimate the critical crowd size at which bridge wobbling begins, according to a study led by Georgia State University. (2017-11-21)

University of Florida Engineer's Computer Model Calculates Hidden Cost Of Some Traffic Delays
University of Florida civil engineers are at work on a computer model that will help Florida Department of Transportation (DOT) engineers figure in (1998-09-22)

Explaining why the Millennium Bridge wobbled
Steven Strogatz, professor of theoretical and applied mechanics at Cornell University, describes the Millennium Bridge's notorious opening-day oscillations in the Nov. 3 issue of Nature. (2005-11-02)

UT Arlington award will test bridge foundation work for Caltrans
A University of Texas at Arlington researcher's project will show whether California bridge foundations are safe and up to standards that the American Association of State Highway and Transportation Officials have set. (2015-03-03)

Smart bridges
Iowa State University engineers are working with the Iowa Department of Transportation to develop and test a comprehensive monitoring system on a new bridge. The system will take continuous, real-time measurements of corrosion, strain, surface conditions, moisture within the bridge's steel arch and structure movements over time. (2012-04-24)

New visual inspection procedures are vital to bridge safety
Easy to design and inexpensive to build, pretensioned deck- beam bridges account for more than 7,200 bridges on Illinois highways and county roads. Two beams from such bridges have fallen apart, initiating a crash course in bridge inspection and repair. (2000-07-02)

Truck-safe bamboo bridge opens in China
In China, bamboo is used for furniture, artwork, building scaffolding, panels for concrete casting and now, truck bridges. Yan Xiao, a professor at the University of Southern California Viterbi School of Engineering is the designer of a new span in the village of Leiyang, Hunan province, which formally opened for traffic Dec. 12. (2007-12-12)

Software for safe bridges
There are roughly 120,000 bridges in Germany. In order for motorists, cyclists and pedestrians to cross them safely, they must be regularly inspected for damage. An image processing program automatically detects irregularities in the bridge material. (2008-11-03)

Novel scissor-like bridge structure for use during emergencies
A test of the Mobile Bridge® Version 4.0 (MB4.0) over a real river demonstrated its viability for practical use. During the test, the bridge was set up without any foundation work, and a vehicle could easily travel across it. This was achieved safely with very few people and without any problems. (2015-07-22)

Testing vintage US bridges for vulnerability -- and finding ways to protect them
It took only 13 seconds for Minneapolis I-35W bridge to collapse and plummet into the Mississippi River. Sabotage? Not that time, but such a scenario is indeed possible, and DHS and its partners is testing to prevent it. (2012-05-02)

Orangutans unique in movement through tree tops
Scientists at the Universities of Liverpool and Birmingham have found that orangutans move through the canopy of tropical forests in a completely different way to all other tree-dwelling primates. (2009-07-27)

MU engineering researchers designing protective wall to shield bridges from terrorist attacks
Government officials have acknowledged the transportation system's vulnerability to terrorist attacks. Bridges are among the most vulnerable. Because of this reality, researchers at the University of Missouri-Columbia are working with federal highway officials to develop a new technology that can protect bridges against such attacks. (2007-06-06)

Engineering design work focuses on improving quality of bridges
As the United States struggles to pay for expanding and maintaining the nation's transportation infrastructure, a University of Houston research team is proposing changes to the design for bridge construction that could dramatically lower maintenance costs while improving the quality of the bridges. (2016-02-23)

Speedy bridge repair
A team of researchers led by University of Utah civil and environmental engineering professor Chris Pantelides has developed a new process of fixing damaged bridge columns that takes as little as a few days. (2016-04-28)

New Gene Therapy Technique Results In Efficient Gene Delivery
Viruses are normally all together too good at entering our cells. But when scientists alter them to carry desirable genes for genetic therapy, they usually have difficulty getting into the cells where their cargo is needed. Harvard Medical School researchers seem to have overcome this obstacle by building these weighty, less pugnacious viruses a bridge. (1998-06-09)

To save your energy while strolling, walk this sway
The first people to walk across the original Millennium Bridge may have been unnerved when it began to sway, but the bridge was actually doing them a favor: the swaying enabled them to walk the distance with 5 percent less effort, a new study shows. (2015-02-02)

Modern tests demonstrate soundness of old iron bridge
An unusual bowstring truss iron bridge that carried traffic across Roaring Run in Bedford County, Va., for almost 100 years is now a picturesque footbridge at the I-81 Ironto, Va., rest stop. Built in 1878, it is the oldest standing metal bridge in Virginia. In early December, a Virginia Tech undergraduate conducted a load-bearing analysis of the structure. (2009-12-21)

How machine learning helped Surrey develop a new algorithm that could add life to bridges
A new algorithm developed by the University of Surrey could help structural engineers better monitor the health of bridges and alert them to when they need repair faster. (2018-04-16)

Dental implants preferred option for aging bridges
Aging dental bridges are a maintenance headache and a recipe for oral-health disaster. They are difficult to floss, often decay, and require replacement with longer bridges. According to the American Academy of Implant Dentistry, these bridges to nowhere should be replaced with permanent dental implants. (2008-05-29)

Halogen bridges as catalysts
Catalysts are essential for the chemical industry because they accelerate reactions and increase their yields. However, many of today's catalysts are based on expensive and environmentally harmful metals. Stefan Huber and Florian Kniep from the Chair of Organic Chemistry at the Technische Universitaet Muenchen have now presented an alternative: Non-toxic compounds, so-called halogen bridge donors, can serve as organic catalysts. Evonik Industries AG awarded Florian Kniep their research prize for his work. (2013-09-12)

110-foot concrete bridge withstands 8.0 earthquake simulation
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 magnitude 6.9 Northridge, Calif., earthquake, and survived in good condition. (2010-06-16)

Founder of adaptive sports organization speaks about impact of sports on people with disabilities
Ashley Thomas was born with spina bifida and uses a wheelchair. She also holds a position on the US national para-kayak team, and founded and runs a successful nonprofit organization called (2012-10-19)

France's soaring Millau bridge seen from orbit
The Millau viaduct, newly inaugurated by President Jacques Chirac, is now the world's tallest road bridge. It stands high above the Tarn valley in France's Massif Central mountains, as seen in this 11 December satellite image from ESA's Proba. (2005-01-04)

Engineers research effects of heat expansion on economically efficient bridge design
Kansas State University researchers are studying the effects of integral bridge expansion resulting from heat to make these types of bridges a more viable alternative. (2009-06-26)

Mimicking fish and tailoring radar to warn of bridge peril
Civil Engineering Professor Bill Yu has built a pair of sensors to provide real-time risk assessments of bridges during flooding -- the largest cause by far of bridge failure. (2010-08-31)

Scientists bridge different materials by design
Scientists at the University of Liverpool have shown that it is possible to design and construct interfaces between materials with different structures by making a bridge between them. (2016-02-04)

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