Concrete

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    Ouch . . . That Hurts!

    Higher energy prices will drive concrete prices up 3% to 5%, according to Ken Simonson, chief economist for the Associated General Contractors of America. Wooden roads, anyone?

     
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    On a Roll

    As infrastructure managers look for ways to economize materials for pavement and water projects, an increasingly cost-effective choice is roller-compacted concrete (RCC).

     
  • Motorists Make Concrete Impression

    An attorney from the Milwaukee suburb of River Hills, Wis., was exiting northbound I-43 when he found himself stuck. It wasn't bumper-to-bumper traffic that held him in one place—it was the pavement itself.

     
  • One hundred years of concrete pipe

    This year, the American Concrete Pipe Association (ACPA) is celebrating its 100th anniversary by looking back on the role concrete pipe has played in the country's history.

     
  • Mixing it up

    Roller-compacted concrete (RCC) can be produced in any type of equipment that will provide uniform mixing of the cement, aggregates, and water

     
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    Flail Selection, Plane and Simple

    First introduced nearly 35 years ago, small surface planers (scarifiers) have seen their acceptance and use on municipal maintenance projects grow significantly.

     
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    On a Roll

    Roller-compacted concrete (RCC) is just what it sounds like. This stiff, zero-slump concrete mixture can be placed with asphalt-type paving equipment and then compacted with rollers.

     
  • Goodness gracious, great balls of concrete

     
  • Down & Dirty February 2007

    Officials at the New York City Department of Environmental Protection worry that herds of hungry deer munching vegetation around drinking water reservoirs might be threatening the supply.

     
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    Rolling with the changes

     
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    World of Concrete 2007's Most Innovative Products

     
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    Getting to the root of the issue

    A Gardena, Calif., company has come up with a solution that helps sidewalks and trees coexist peacefully.

     
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    Dam good flood prevention

    A new dam in Wise County, Va., makes use of roller-compacted concrete (RCC) as a flood-fighting structure.

     
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    Post-party pickup

    Take a page from these cities' playbooks to learn how to craft and execute an effective cleanup plan.

     
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    Concrete repairs: Fast and long-lasting

    Repair and maintenance often play a role in the pavement selection process.

     
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    Automating asphalt compaction

    Virtually all roller manufacturers in the U.S. market are removing the art from asphalt compaction and making it more of a science. BOMAG Americas, the Hamm Compaction Division (Wirtgen America), Ammann America, and Sakai all offer some version of intelligent compaction.

     
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    Public works leaders should take a hike

    PUBLIC WORKS Associate Editor Jenni Spinner asks: How often How often do you get out to see your town? Have you ever left the comfort of your office or truck cab to get out to take a good look at the town you serve? If you haven't, you're not getting the big-picture view—the one your constituents...

     
  • Choosing between asphalt and concrete pavement

    Hard-surfaced pavements, which make up about 60% of U.S. roads, typically are constructed with either hot-mix asphalt or portland cement concrete (commonly referred to as “asphalt” and “concrete,” respectively). Of those roads, more than 90% are asphalt.

     
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    Asphalt versus concrete

    The debate goes on: Which is better, concrete or asphalt? While there is no cut-and-dried answer, a smart public works official will consider the following questions before selecting a material for the next road project: Which pavement option is better for my specific application?

     
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    New York City constructs third water tunnel

     
 
 
 
 

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