EDITORIAL COMMENT

  • WOC 2010 Breeds Sense of Optimism

    Really good, incredible, better than expected, outstanding—these are the responses I received from both attendees and exhibitors when I asked, “How is your experience at this year's World of Concrete?”

     

FEATURES

Other Articles

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    Surface Preparation

    Sometimes there's a need to alter the surface of concrete even though it's basically structurally sound.

     
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    Back to School

    With commercial construction slow to nonexistent in many areas of the country, the nearly $25 billion in the American Recovery and Reinvestment Act allocated for school construction is a bright spot.

     

SPECIAL SECTION

CC Field Test

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    One Year Later

    In February 2009, Concrete Construction magazine and Scurto Cement Construction Ltd., Gilberts, Ill., joined forces to conduct a field study focused on curling and shrinkage in warehouse floor slabs.

     

Tools for the Concrete Pro

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    Surface Preparation Equipment

    EDCO's Model CD-5 5-Head Scabbler uses either 5- or 9-point carbide bits to texturize or remove the surface of concrete.

     
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    Surface Preparation Equipment

    Terrco Inc.'s Model 6200 is its largest, heaviest, and most powerful grinder/polisher—making it the most efficient for projects more than 20,000 sq ft.

     
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    Surface Preparation Equipment

    Husqvarna's PG820 is designed for high productivity in industrial surface preparation and grinding.

     
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    Surface Preparation Equipment

    The MP 6000 from SPE-USA is a ride-on multipurpose preparation unit designed to perform the most demanding surface preparation tasks cost-effectively, including such large-scale applications as roads, bridge decks, airports, and parking lots.

     
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    Drive Shot Blaster

    The Blastrac 1-16DB hydraulic drive shot blaster produces a 16-in.-wide blast path that lets an operator strip, clean, and profile.

     

NEWS & EVENTS

  • Field Study Examines Epoxy-Coated Rebar

    The Epoxy Interest Group of CRSI is pleased to announce publication of a report on the performance of epoxy-coated bars in West Virginia.

     
  • ACI to Examine Haiti Recon

    Several technical sessions at the ACI Spring 2010 Convention, March 21–25, 2010, held in Chicago, will highlight concrete repair in nontraditional and extreme conditions.

     
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    CIM Auction Raises $386k

    At the fifth annual Concrete Industry Management (CIM) auction held at World of Concrete (WOC), $386,000 was raised for the business intensive program that awards students with a four-year Bachelor of Science degree in concrete industry management.

     

ERLIN & HIME ON CONCRETE

  • The Simple Doesn't Last Long

    Thomas A. Edison, looked at the way portland cement was manufactured and said, “There must be a better way to make that cement.”

     

SLABS ON GRADE

  • More Dog Work

    You must remember Murphy's Law is always at work, especially when the interests of others on whom you must rely conflict with your own.

     

TILT-UP

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    2010 Tilt-Up Achievement Awards

    The Tilt-Up Concrete Association (TCA), Mount Vernon, Iowa, recently announced the recipients of the 2010 Tilt-Up Achievement Awards.

     

DECORATIVE CONCRETE

Other Articles

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    Self-Leveling Overlays

    Self-leveling overlays can be installed very quickly. You can place and finish more product per day, per worker than with any other cast-in-place decorative product.

     

JOBSITE PRODUCTS

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    Easy Service and Maintenance

    The HHX series ride-on trowels feature a clamshell upper frame design for simplified maintenance.

     
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    Handles like a lightweight machine

    Model CRT 48-35L-PS offers easy operation, service, and performance for flatwork concrete jobs.

     
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    Smooth operation

    Smooth Operator Power Trowels, available in 24-, 36-, 46-, and 48-in. diameters, feature an extra-strong cast iron spider, rotating stabilizing ring, and variable blade adjustments.

     
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    Trowels for any job

    BMi power trowels come in both walk-behind and ride-on models.

     
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    Direct-drive, walk-behind trowel

    Get consistent, reliable power for a smoother, flatter finish with the F-Series direct-drive, walk-behind power trowel.

     
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    Economical Size and Price

    The Economy Series walk-behind power trowels offer an economical alternative to other models.

     

PRODUCTS SOLVING PROBLEMS

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    Tunnels Get a 21st-Century Makeover

    Norfolk Southern embarked on a $150 million project to increase the height of 28 of its Appalachian tunnels and ensure that they will be safe and stable for another 100 years.

     

PROBLEM CLINIC

  • SCC in Tilt-Up Applications

    Q: Can self-consolidating concrete be used for tilt-up panels? What does the finish look like, and are plastic shrinkage cracks a problem?

     
  • Battling Graffiti

    Q: We have a concrete tide gate that was recently hit by graffiti, covering much of the surface. We could paint over it, however, then we would have the ongoing maintenance of the paint. Can you recommend the best cleaning methods? If we sandblast it, will it harm the integrity of the concrete?

     
  • The Ideal Concrete Surface for a Hospital

    Q: We have a hospital expansion project and are considering polished concrete as the flooring material throughout. Our issue on this project is moisture (about 92% internal relative humidity after eight months), so the sheet vinyl originally installed has failed. I've been looking online for...

     

WOMEN IN CONCRETE

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    Sharing Stories and Giving Back

    Three industry experts presented their experiences within the concrete industry at this year's Women in Concrete Breakfast & Forum held during the World of Concrete 2010 (WOC).