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March 7, 2013
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News for and about concrete professionals

  Industry News  
  • $594M concrete-pile dam repair in Ky. is finished
    The U.S. Army Corps of Engineers has finished the six-year project of sealing leaks in Wolf Creek Dam around Lake Cumberland in Kentucky. Nearly 1,200 interlocking, three-foot thick concrete piles were inserted into holes drilled under the dam's earthen section. The wall they created is meant to keep out seepage from fissures and caves under the dam. Engineers will now evaluate how well the fix works. Lexington Herald-Leader (Ky.) (3/6) LinkedInFacebookTwitterEmail this Story
  • Alaska plans to build $5.2B hydroelectric dam on Susitna River
    The Alaska Energy Authority hopes to construct a $5.2 billion dam on the Susitna River. The dam is expected to produce up to 600 megawatts of electricity, which will become a new power source for more than two-thirds of Alaska's population. However, the project faces two challenges. -- whether it would be cheaper to build a natural gas pipeline spur instead of the dam, and the dam's effect on the salmon population. The New York Times (tiered subscription model) (3/6) LinkedInFacebookTwitterEmail this Story
  • $4B Tappan Zee Bridge project to require "thousands" of workers
    Construction of the $4 billion Tappan Zee Bridge replacement in New York is expected to create "thousands" of jobs across several fields, according to state and project officials. Recruitment is expected to be slow initially, "but once it ramps up, over the course of the next few months and into next year, this will really get moving. A whole lot of subcontractors will get jobs," said Brian Conybeare, the state's community liaison for the project. The Journal News (Westchester, Rockland, Putnam, N.Y.) (3/6) LinkedInFacebookTwitterEmail this Story
  Technology & Trends  
  • Video brings Boston's Longfellow Bridge construction stages to life
    Longfellow Bridge construction  
    Source: YouTube/Mass. Department of Transportation
    A video from the Massachusetts Department of Transportation shows how work on the Longfellow Bridge that connects Boston to Cambridge in Massachusetts will be finished in six phases. "Our projects are complex and lengthy and the rehabilitation of the historic Longfellow Bridge is no different," said Sarah Lavoie, a spokeswoman for the state Department of Transportation. "It can be difficult to visualize the end result, and this video brings all construction stages to life." The project is expected to be completed in 2015. BostInno (Boston) (3/6), YouTube/Mass. Department of Transportation (3/4) LinkedInFacebookTwitterEmail this Story

  Sustainability & Green Building  
  • U.S. embassies increasingly turn to sustainable construction
    Sustainable and energy-efficient construction is increasingly being adopted by U.S. embassies because it saves costs, according to this article. Renewable sources of energy help embassies be self reliant. However, security demands don't always allow for turning off lights to reduce further energy use. "We are always trying to find a way to strike a balance between security requirements and smart energy use," says Bill Miner, director of design and engineering at the Bureau of Overseas Buildings Operations. (3/6) LinkedInFacebookTwitterEmail this Story
  • New tech tools aim to help maximize building sustainability
    New technology tools from Scotland's Integrated Environmental Solutions are designed to help those in the AEC industry maximize how sustainably a building is designed. The toolset includes life-cycle cost and assessment and capital cost. There's also a BIM component, and the tools can be customized. "A major advantage of these tools is the ability to get rapid feedback on design options so you can assess and reassess right from concept through to detailed design," said IES Director Craig Wheatley. Constructech (free registration) (3/5) LinkedInFacebookTwitterEmail this Story
  Leadership & HR  
  Policy Watch  
  • House passes interim measure to avert U.S. government shutdown
    The House of Representatives passed a bill in a 267-151 vote that would fund U.S. government programs through Sept. 30 to avoid a March 27 shutdown. Some attendees of a dinner meeting between President Barack Obama and Senate Republican leaders are more optimistic that Democrats and Republicans can reach an agreement on the budget and debt. Reuters (3/7), USA Today (3/6), The Hill (3/6) LinkedInFacebookTwitterEmail this Story
  ACI News  
  • SP-288: Tenth International Conference on Superplasticizers and Other Chemical Admixtures
    This CD contains 33 papers presented at the Tenth International Conference of Superplasticizers and Other Chemical Admixtures in Concrete held in Prague, Czech Republic, in October 2012. Topics include Synthesis, Characterization, and Dispersing Performance of a Novel Cycloaliphatic Superplasticizer; Compatibility between Polycarboxylate and Viscosity-Modifying Admixtures in Cement Pastes; Aspects of Gypsum-Free Portland Cement; A Novel Type of PCE Possessing Silyl Functionalities; and much more. Order your copy today. LinkedInFacebookTwitterEmail this Story
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Scientific progress makes moral progress a necessity; for if man's power is increased, the checks that restrain him from abusing it must be strengthened."
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