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  • Bacteria prevents concrete from cracking

    Concrete is one of the most commonly used building materials. It is cheap, strong, and easy to work with; there is a catch, though: it cracks easily; Dutch researchers find that mineral grains formed in the cracks of concrete that had been seeded with bacteria would go a long way toward sealing those cracks and making them waterproof

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  • Studying U.K.'s transportation system's resilience

    The U.K. government funds a four-year study to examine whether the U.K. transportation system is resilient enough to withstand climate changes

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  • Self-healing concrete for safer, durable, and cheaper-to-maintain infrastructure

    Wolverines researchers develop self-healing concrete; the concrete self-heals itself when it develops cracks; no human intervention required — only water and carbon dioxide

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  • Self-powered monitoring system for bridges developed

    More than 70,000 of the U.S. bridges are structurally deficient; funds from the administration’s stimulus package will be going to shoring up these bridges; how do agencies responsible for keeping an eye on the health of tens of thousands of bridges do so? University of Miami researchers offer an answer

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  • DHS announces ARRA funding of Coast Guard improvement projects

    DHS directs $240 of the stimulus package funds to make improvements to Coast Guard cutters and shoring up of bridges

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  • One-story masonry building withstands strong jolts during seismic tests

    University of California, San Diego researchers design a one-story masonry structure and showed it could survive two days of intense earthquake jolts

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  • New concept for New York, New Jersey storm barriers

    With worries about rising sea level and more intense storm, British engineering firm Harlow offers a new concept for protecting New York City and parts of the new Jersey coast against storm surges

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  • Composite materials extend life of existing bridges

    The Obama administration’s stimulus package directs large amounts of money toward rehabilitating the aging U.S. infrastructure; Jayhawks researchers are testing a new class of devices that could double the life of America’s existing bridges using composite materials

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  • New design allows for using less steel in concrete beams

    NC State researchers discover how to use 30 percent less reinforcing steel in the manufacture of the concrete beams; the success of the project is already drawing interest from the concrete industry

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  • More than 100 levees in 16 states are in an "unacceptable" state of disrepair

    U.S. Army Corps of Engineers gives “unacceptable” maintenance ratings to 114 levees in 16 states; these levees are in such a bad shape, that it can be “reasonably foreseen” that they will not perform properly in a major flood; 30 of the levees are in Arkansas

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  • Public support for infrastructure investment grows

    University of Chicago NORC survey finds growing public support for investment in mass transit and infrastructure; support remains high for expenditures on education and health care

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  • Scientists: weight of water in reservoir may have triggered China quake

    The May 2007 magnitude-7.9 quake in Sichuan province killed 70,000 and forced 5 million to be relocated; Just 550 yards from the fault line and 3.5 miles from the epicenter stands the 511-foot-high Zipingpu dam; scientists say that the immense weight of Zipingpu reservoir’s waters — 315 million tons — likely affected the timing and magnitude of the quake

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  • Doubling the service life of concrete

    NIST researchers double the service life of concrete The key to the idea is a nano-sized additive that slows down penetration of chloride and sulphate ions from road salt, sea water, and soils into the concrete

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  • ASCE assigns Grade of D to U.S. infrastructure

    Civil engineers association assigns a D grade to U.S. infrastructure, and says $2.2 trillion in repairs needed

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  • Detecting rusted metal encased in concrete structures

    Many of the problems of aging infrastructure owe to rusting metal; trouble is, much of that metal is encased in concrete — in bridges, tunnels, dams, roads; new technology uses electromagnetic fields to measure corrosion through non-ferrous material

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More headlines

  • New Report: Oklahoma’s Rural Roads, Bridges Among Nation’s Worst
  • Why N.J. may be losing the battle against bad bridges
  • Aging and underfunded: America's dam safety problem
  • Mich. struggles to find funds to repair structurally deficient bridges
  • Inflatable dams tapped for Arkansas River
  • The rise of the cable-stayed bridge
  • Wash. nixes cable-stayed design in favor of concrete-girder bridge
  • Critical report raises safety concerns for major California bridge
  • Why we still can’t afford to fix America’s broken infrastructure
  • U.S. agency warns of urgent need for spending on roads, bridges
  • Nuclear reactor restarts, but Japan’s energy policy in flux
  • Hawking says he lost $100 bet over Higgs discovery
  • Kansas getting $500K in law enforcement grants
  • Bill widens Sacramento police, sheriff’s contract security opportunities
  • DHS awards $97 million in port security grants
  • DHS awarding $1.3 billion in 2012 preparedness grants
  • Cellphone firms share location data with law enforcement, not users
  • Residents of Murrieta, California, will have to subscribe for emergency services
  • Ohio’s Homeland Security funding drops sharply
  • Ports of L.A., Long Beach get Homeland Security grants
  • Homeland security gets involved with Indiana water conservation
  • LAPD embraces “predictive policing”
  • New GPS rival is hack-proof
  • German internal security service head quits over botched investigation
  • Americans favor Obama to defend against space aliens: poll
  • U.S. Coast Guard creates “protest-free zone” in Alaska oil drilling zone
  • Congress passes measure to enhance Israel security ties
  • Wickr enables encrypted, self-destructing iPhone messages
  • NASA explains Why clocks got an extra second on 30 June
  • Cybercrime disclosures rare despite new SEC rule
  • First nuclear reactor to go back online since Japan disaster met with protests
  • Israeli security fence architect: Why the barrier had to be built
  • DHS allocates nearly $10 million to Jewish nonprofits
  • Turkey deploys troops, tanks to Syrian border
  • Israel fears terror attacks on Syrian border
  • Ontario’s emergency response protocols under review after Elliot Lake disaster
  • Colorado wildfires to raise insurance rates in future years
  • Colorado fires threaten IT businesses
  • Improve your disaster recovery preparedness for hurricane season
  • London 2012 business continuity plans must include protecting information from new risks

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