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January 31, 2013
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News for and about concrete professionals

  Industry News  
 
  • Video: Powerful winds test the strength of concrete buildings
      
    Source: WBTV-TV
    A demonstration by the Insurance Institute for Business and Home Safety shows how powerful winds affect concrete-and-steel buildings built with different techniques. One building was constructed using traditional methods, while the second used better screws, steel cleats, wind-rated doors and walls reinforced with steel. The results of a wind test, shown in the video, show that the more strongly built building fared far better. WBTV-TV (Charlotte, N.C.) (1/31) LinkedInFacebookTwitterEmail this Story

  • Renovation of Denver transit hub is 70% complete
      
    Source: KMGH-TV
    Renovation of the historic Union Station in Denver is 70% complete, according to the Regional Transportation District. Work on the Grand Hall is progressing and hotel rooms are being constructed. The work is part of a larger project that will build new light-rail lines and an underground bus depot. Eventually, Amtrak, light rail and commuter trains will connect here. Currently, there is a $2 billion shortfall in funding. KMGH-TV (Denver) (1/30), The Denver Post (1/30) LinkedInFacebookTwitterEmail this Story

  • $407M rehab of NYC's Alexander Hamilton Bridge presents challenges
    The Alexander Hamilton Bridge, a 1,485-foot-long steel-arch span that carries eight lanes of traffic over the Harlem River in New York City, is undergoing a complex rehab. This piece discusses how designers and builders met the challenges posed by the project and explains how various value-engineering solutions have allowed them to save costs. The project is slated for a December completion, and the renovated bridge is expected to last for 75 years. Engineering News-Record (2/4) LinkedInFacebookTwitterEmail this Story
  • Video: Time-lapse construction progress of NYC museum
      
    Source: Curbed
    Concrete floors have recently been placed at the Whitney Museum of American Art in New York City. After the museum flooded during Superstorm Sandy, the design team has been looking into solutions that would not substantially change the design. They're still working on a solution. Curbed (New York City) (1/24) LinkedInFacebookTwitterEmail this Story

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  Technology & Trends  
  • Several tools, techniques improve jobsite safety
    The use of different tools to improve jobsite safety has helped contractors reduce the number of injuries in the past decade, according to this piece. Many companies use statistics from agencies such as the Occupational Safety and Health Administration that track recordable injuries, as well as other benchmarks. They also use technology along with behavior modification. For instance, at PCL Enterprises in Denver, workers are encouraged to help colleagues adopt and follow safety practices. Engineering News-Record (1/29) LinkedInFacebookTwitterEmail this Story
  Sustainability & Green Building  
  • Biomimicry: The key to green infrastructure?
    Urban stormwater runoff is a widespread problem, and this piece looks at how cities are coping with it. Green stormwater infrastructure, such as rain gardens, green roofs and roadside plantings, is one way some cities are tackling the problem. The idea is that biomimicry, which simulates "the way nature collects and cleanses water," will keep a good portion of runoff from ever entering the pipe system. The Christian Science Monitor (1/29) LinkedInFacebookTwitterEmail this Story
  Leadership & HR  
  • Are you a gracious boss?
    Bosses often focus so much on showing their strength and assertiveness that they forget to be gracious, writes Kevin Daum. Traits such as humility, empathy and a willingness to defer to others are important parts of modern leadership, Daum argues. "Simply put, the most gracious and powerful leaders are the ones who understand when to step back as a follower and let the most appropriate person lead," he writes. Inc. online (free registration) (1/29) LinkedInFacebookTwitterEmail this Story
  Policy Watch  
  • Transportation advocates want funding champion to replace LaHood
    The resignation of Transportation Secretary Ray LaHood has caused a flurry of speculation about who will take his place. A name mentioned frequently is "Mr. Transportation" Jim Oberstar, a former Democratic congressman from Minnesota. Transportation advocates and unions are urging President Barack Obama to find a replacement who will be a champion of transportation funding. "I think it's important that the next secretary comes in with a primary strategy in mind to figure out a way to fund our transportation system's needs," said Ed Wytkind, president of the AFL-CIO Transportation Trades Department. Star Tribune (Minneapolis-St. Paul, Minn.) (1/29), The Hill/Transportation blog (1/30) LinkedInFacebookTwitterEmail this Story
  ACI News  
  • 352.1R-11: Guide for Design of Slab-Column Connections in Monolithic Concrete Structures
    This guide provides recommendations for determining proportions and details of monolithic reinforced and post-tensioned concrete slab-column connections. Included are recommendations regarding appropriate uses of slab-column connections in structures resisting gravity and lateral forces; procedures for determination of connection load-carrying capacity; and reinforcement details to achieve adequate strength, ductility, and structural integrity. Recommendations are based on a review of the literature for ultimate and serviceability limit states. A commentary is provided to clarify the recommendations and identify reference material. Design recommendations are set in standard type. Commentary is set in italics. Order your copy today. LinkedInFacebookTwitterEmail this Story
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