EDITORIAL COMMENT

  • Challenge and Change Accepted

    As editors of this publication, we are fortunate to have the opportunity to frequently visit construction sites.

     

FEATURES

Other Articles

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    Team Workability

    Chances are that when a load of concrete shows up at the jobsite, somebody's going to add some water. And that's not necessarily a bad thing.

     
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    Laying It on Thick

    Placing mass concrete—which is defined for practical purposes as concrete formed with a minimum dimension of 3 feet—presents challenges in any type of construction.

     
  • Green Power

    Mark Peters, deputy to the associate laboratory director at Argonne National Laboratory, says the public has three concerns about nuclear reactors: they must be safe from extreme forces of nature, they must not leak radiation and highly radioactive spent fuels must be recycled, not stored.

     

NEWS & EVENTS

  • Destined for Shotcrete

    The 2008–2009 American Shotcrete Association (ASA) Graduate Scholarship Program now is accepting applications for two graduate scholarships for the 2008–2009 academic year.

     
  • Bosch Acquires CST/berger

    In June, the Bosch Group announced it will acquire CST/berger from The Stanley Works portfolio. The transaction is expected to be completed in the next few months.

     
  • Aligning ACI and Charles Pankow Foundations

    Architecture students from around the world participate in the Concrete Thinking for a Sustainable World Competition; the cement sector adopts a sectoral approach on CO2 emissions; Tilt-Up Concrete Association announces a new heaviest panel on the Top Ten list and more.

     
  • Seeking Cement Sustainability

    The World Business Council for Sustainable Development's (WBCSD) Cement Sustainability Initiative (CSI), founded and cochaired by Lafarge and Taiheiyo Cement, called the G8 members and the UNFCCC to accelerate the creation of effective sectoral approaches that reduce carbon emissions.

     
  • Designing for Sustainability

    Architecture students from around the world participated in the recent Concrete Thinking for a Sustainable World Competition. Co-sponsored by Portland Cement Association and the National Ready Mixed Concrete Association, and hosted by Association of Collegiate School of Architecture, 800 students...

     
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    Reno Canoe Wins

    University of Nevada, Reno engineering students crossed the finish line in style last month. Concrete style that is. The American Society of Civil Engineers' (ASCE) 21st Annual National Concrete Canoe Competition saw the best of the best come out and show off their concrete canoes in Montreal's...

     

ERLIN & HIME ON CONCRETE

  • About Misconceptions

    What if some things you hear about portland cement, supplementary cementitious materials, cement paste, entrapped and entrained air, aggregates—coarse and fine—mineral and chemical admixtures, durability, concrete longevity, and strength are not true or only partially true?

     

TOLERANCES

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    Beware of the Fine Print

    Every ASTM standard test is supposed to include statements on its precision and bias, which are a lot like the fine print on a legal document. These two sections describe how accurately one can expect the test results to reflect the true condition of what's being tested, and in that way, also are a...

     

SLABS ON GRADE

DECORATIVE CONCRETE

Other Articles

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    Turn Your Rebar Into a Vibrator

    The Rebar Shaker employs a new method of consolidating concrete by using the rebar as the vibrating device.

     
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    Polyurethane Topcoat

    EC-95 is a two-component, high-solids polyurethane topcoat that resists UV rays, marring, and chemicals.

     
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    Pole Vibrator

    Operating at 10,000 vibrations/minute, the PV 35A pole vibrator is suited for light- to medium-duty concrete work.

     
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    Natural-Appearance Sealer

    Natural Look penetrating sealer is an aqueous, copolymer, chemically reactive dispersion designed to impart concrete countertops with a durable, transparent barrier that guards against oil and water.

     
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    Medium-Gloss Finish

    Pure-Shine HS Floor Finish gives concrete, terrazzo, quarry tile, and other surfaces a glossy finish.

     
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    Granular Pigment Dispensing

    Use the EasyStar dispensing system to custom-blend and bag your own bags of color.

     
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    Four-Part Decorative Family

    The Roca System line of products help create durable, quality decorative surfaces.

     
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    Formliner Patterns

    This company's formliner patterns come in three material choices: single-use plastic, multiple-use plastic, and high-reuse urethane.

     
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    External Vibrators

    The US-1600 high-frequency electric vibrator deliver 1600 lbs. of force operating at 9000 vibrations/minute on single-phase power.

     
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    Concrete Vibrators

    The Flex-shaft concrete vibrator series offers eight models designed to work in medium- to high-slump concrete.

     
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    Chemical Stains

    Available in a range of shades, these stains create a variegated appearance on concrete substrates.

     
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    Preparing to Stamp

    Based on the sales of color and stamps, most manufacturers of these products will tell you that stamped concrete still represents the largest segment of the decorative concrete business.

     
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    Waterproofing Sealer

    Trojan Masonry Sealer penetrating sealer fills the voids and coats the interior particles of the matrix to waterproof and reduce vapor transmission in concrete and masonry.

     
  • Marketing Your Company for Next Year

    Whether the industry will struggle or change is yet to be seen. Whichever way it turns out, it's best to move cautiously.

     

JOBSITE PRODUCTS

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    Finding the Right Concrete Vibrator

    Concrete vibrators are not used only to consolidate the concrete for maximum density, but they also internally blend the different lifts of concrete together into a single solid mass with few to no air pockets and no lift lines on the finished exposed surface.

     

PRODUCTS SOLVING PROBLEMS

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    Jobsite Rebar Fabrication

    Rebar bending and cutting on a jobsite can be a difficult and laborious job. With the right tool, however, it can be less taxing on the operator.

     

PROBLEM CLINIC

WOMEN IN CONCRETE

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    An Artist's Touch

    Concrete's decorative element now attracts artists who normally wouldn't have considered working with such a basic material.

     

Other Articles

  • New Heaviest Panel

    The Tilt-Up Concrete Association (TCA) announced a new heaviest panel on the Top Ten list. The new title-holder is the 339,000-pound panel for the Ocean Center in Daytona Beach, Fla. The owner selected tilt-up for this project because the method enabled them to achieve their desired look more...