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Tag: corrosion
Roadbuilding
Pa. bridge becomes first in U.S. for EIT corrosion-detection system
The Coplay-Northampton Bridge replacement will be the first to use an electrically isolated tendon system to detect corrosion on post-tension tendons.
July 22, 2019
Roadbuilding
Fla. bridge closed for emergency repairs after corrosion found
The Florida DOT says Mid-Bay Bridge has been closed for emergency repairs due to corrosion and will not reopen until repairs are completed. Details here.
January 14, 2019
Roadbuilding
WVDOT remembers fatal Silver Bridge collapse that led to national inspection program
Fifty years ago, the collapse of the Silver Bridge in Pt. Pleasant, West Virginia, killed 46 people and resulted in the country creating the National Bridge Inspection Program. On December 15, a large crowd, including victims’ relatives, gathered to remember the victims and recognize the inspection program that is “saving thousands of lives across the […]
December 19, 2017
Trailers
Trail King fights corrosion with new Commercial MG-HG trailer
Corrosion-resistance was made a top priority for Trail King’s Commercial MG-HG detachable gooseneck trailer. The company designed the structure with no moisture-trapping areas and primed and painted the entire trailer before adding air, hydraulic and electrical lines and decking. For further corrosion-resistance, an optional lightweight aluminum version of the trailer is available, including aluminum I-beam […]
August 30, 2017
Roadbuilding
Colorado DOT begins using bio-based corrosion inhibitor
The Colorado Department of Transportation has begun employing the use of a Montana company’s bio-based corrosion inhibitor in order to reduce corrosion from salt brines used to de-ice the roads. Renewable chemicals company Rivertop Renewables announced that CDOT has begun using the Headwaters 10F corrosion inhibitor in some locations across the state. Headwaters will be used […]
December 24, 2015
Roadbuilding
How robot designed for Disney could extend lives of bridges
A new robot dubbed C2D2 developed by a team of Swiss researchers is able to move atop, underneath and across any surface, checking structural integrity as it roves, and could greatly extend the lives of bridges. Both de-icing salt and CO2 in the atmosphere corrode the reinforced concrete that most bridges are made of […]
September 4, 2014
Roadbuilding
SNEAK PEEK at the 2013 Bridge Inventory: What causes the most damage to bridges?
Every year, Better Roads conducts a survey on the state of the nation’s bridges. The survey has been conducted since 1979. Bridge engineers from every state and Washington, D.C., are sent a survey with both qualitative and quantitative questions to determine the percentage of structurally deficient (SD) and functionally obsolete (FO) by state, by total […]
November 5, 2013
Maintenance
Ethanol a suspect in corrosion from Ultra Low Sulfur Diesel
Since the introduction of Ultra Low Sulfur Diesel in 2007, a growing number of diesel storage tanks and dispensing systems have experienced unusual and accelerated corrosion problems. The kind of corrosion that might take 10 or 20 years previously was showing up in as little as 30 to 60 days, says Edward English, vice president […]
February 1, 2013
Roadbuilding
Advice from the Top Winter Maintenance Leaders: Extreme Equipment Maintenance and Fleet Management
The economy is still faltering. Cutbacks are the norm. And that may mean no — or very little — new equipment is being purchased. That means you need to know to hold on it, when to let it go, and how to care for it in between it all. It shouldn’t be a gamble. And […]
April 26, 2010
Roadbuilding
RoadScience: Corrosion — the enemy within
Research continues to produce new options for owners and designers to save conrete bridges.
February 1, 2010
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