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    Safety-Conscious Contractors Honored

    Walk onto any jobsite and chances are you will see a sign indicating how many total days the jobsite has been accident free.

     
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    Safety Around Vehicles

    Not being aware of what's in front of you or to your side is perhaps the root cause of most worker versus vehicle accidents on construction sites.

     
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    Electro-Osmotic Protection

    a method called electro-osmotic pulse (EOP) is starting to be used for both new construction and repair work. Once the system is installed, it can be operated for the same cost as running a 50-W lightbulb and you can “waterproof” your basement walls. That's less than the cost to operate a sump pump.

     
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    Fly Ash Threat

    The long-term consequences of a December 2008 accident at a Tennessee Valley Authority (TVA) electric generating plant in Kingston, Tenn., could change the way fly ash is used or disposed of in the United States for the foreseeable future.

     

SPECIAL SECTION

Top Influencers

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    2009 Most Influential

    Some study concrete as a material and some spend their careers using it to design and build structures and slabs that serve the general good. This year the editorial staff of CONCRETE CONSTRUCTION recognizes people who do both: learning as much as they can about the material and doing the best...

     
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    David Darwin

    An educator on the mechanisms of corrosion and how to build more durable concrete bridges

     
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    David Shepherd

    A marketer spreading sustainable values of concrete

     
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    Greg Scurto

    A contractor emphasizing quality, competitiveness, and growth

     
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    Ward Malisch

    Technical director for the ASCC

     
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    Bob Simonelli

    A teacher with a unique blend of knowledge and hands-on training

     

CONCRETE SURFACES

Editor's Note

  • Good Old Days

    I will attend my seventh World of Concrete when the industry gathers the first week of February in Las Vegas. This hardly qualifies me as a veteran. Still, I've been around long enough now to realize that each show has a flavor and feel of its own.

     

NEWS & EVENTS

  • Defining the Global Construction Industry

    The “FMI/CMAA 10th Annual Survey of Owners” portrays a construction owner community responding to changing economic conditions.

     
  • ACI's Extreme Concrete

    The American Concrete Institute's (ACI) Spring 2010 Convention will take place March 21–25, 2010 in Chicago at the Sheraton Chicago.

     
  • Industry Poised for Growth

    As the cement industry emerges from the recession, it expects to embark on a period of sustained growth fueled by infrastructure investment, sustainable construction, and a shift in market dynamics in paving.

     

ERLIN & HIME ON CONCRETE

  • It's Only Words

    Facts can lead to an exercise in futility when the smoothness of evaluation and interpretation are disrupted because they are distorted or missing.

     

SLABS ON GRADE

  • A Good Offense

    Rule No. 2b requires you to predict the floor's future to the owner before it is installed—literally, for you to call your shot. Because you're going to be blamed for everything bad that happens anyway, it is very much in your long-term interest to take full advantage of your present abjection by...

     

DECORATIVE CONCRETE

Artistry Preview

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    Artistry 2010

    Eight years ago, the editors of CONCRETE CONSTRUCTION thought it would be a good idea to highlight decorative concrete at the World of Concrete (WOC).

     

MIP

Nominees

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    Jobsite Data Entry

    FieldEase Forms/Notes turns paper forms into electronic documents that can be completed using handwriting recognition technology.

     
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    Time/Attendance Tracking

    JobClock System provides a simple, efficient time and attendance solution using wireless technology.

     
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    Payroll Service

    Foundation Construction Payroll Software is a full-service payroll company devoted exclusively to the construction industry.

     
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    Productivity Workshop

    Contractor Academy helps contractors learn how to grow their businesses by educating them on how to better manage their organization.

     
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    Imaging Module

    Document Imaging enables contractors to streamline the sorting, storing, and routing processes of important project documents and reports.

     
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    Work-Tracking Software

    Mobile Green Suite flows information paperlessly to office managers, designers, architects, accountants, owners, and crew supervisors.

     
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    Estimating Software

    ProEst provides contractors a solution that streamlines productivity through ease-of-use and advanced integration capabilities.

     
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    Building Product Search Engine

    The BPM Select Internet-based building product search engine was developed for the commercial construction industry.

     
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    Waterproof/Seamless Membrane

    Mapelastic SRW is a water-based, cold-applied membrane designed to protect and waterproof concrete in demanding environments.

     
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    Latex Additive

    This water-based concentrated liquid latex admixture is designed for enhancing numerous MAPEI products.

     
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    All-Purpose Primer

    One-component, water-based acrylic Primer T enhances the performance and adhesion of self-leveling underlayments.

     
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    Concrete Footer Form

    IBC compliant, the WP Fail Safe Form Footer for building piers and footings can be assembled without tools in less than 5 minutes.

     
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    Dyes/Stains

    Color-Crete Universal Dyes and Stains can be reduced in water, acetone, and other solvents.

     
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    GFRC Vertical Panels

    Wall Crete Carpentry Panels are vertical panels of reinforced concrete containing either stone, slate, black diamonds, or beach pebbles.

     
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    Ride-On Floor Grinder

    HTC 1500 ixT is a ride-on floor grinder that includes integrated dust extractors.

     
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    Seamless Flooring

    Hybri-Flex eliminates the need to install a separate mitigation system on concrete slabs.

     
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    Seamless Formliner

    Customizable FitzLok Formliners yield a simulated brick or block finish that can accomplish many architectural design possibilities.

     
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    Epoxy Floor Coating

    Deco-Crete is a durable, solvent-free decorative epoxy coating that achieves a granite replica finish.

     
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    Concrete Coloring System

    Consoli-deck Concrete Flooring Color System colors any concrete floor—troweled or polished—indoor or out.

     
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    UV Stable Dyes

    SS DYE-namic is UV stable and can be used for exterior work as well as interior.

     
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    Chain Wall Saw

    The CWS-200 combines Diamond Chain Technology with a mechanized, track-mounted hydraulic power drive.

     
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    Two-Component Polyurethane

    Match-Crete Clear two-component polyurethane repairs cracks, spalls, and joints in concrete subject to UV exposure from sunlight.

     
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    Demolition Breaker

    The TE 1000-AVR provides unparalleled demolition impact, making it a productive tool for a wide range of demolition applications.

     
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    Ride-On Floor Scraper

    The Big Red Beast allows contractors to remove a variety of coatings.

     
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    Cleaning Vertical Surfaces

    BPS-225 Shell Machine is for blasting and cleaning vertical and near-vertical surfaces of steel storage tanks.

     
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    UV Floor Curing

    The Hammerhead 26-8000A portable UV floor curing machine is designed for use on concrete floors and with coatings that are 100% solids.

     
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    Pervious Concrete Tools

    Adjustable Curb Runner enables contractors to accurately place pervious mix adjacent to curbing that can vary from 0 to 12 in.

     
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    Safety Harness

    ExoFit Nex full-body harness provides safety and comfort, and protective elements to prolong the life of the harness.

     
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    Portable UV Curing

    Circa 2000 Portable UV Floor Curing Machine weighs 25 lbs., includes 360-degree directional motion.

     
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    Replacement Drive Lugs

    Larry Lugs replace OEM rubber-molded drive lugs on a compact loader's rubber tracks.

     
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    Field Ink-Jet Printer

    Handjet EBS-250 is a wireless, portable large-character ink-jet printer.

     
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    Remote Dowel Placement

    The A-5SCW Remote-operated Dowel Pin with Dust Collection positions the operator away from the machine down the grade.

     
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    Hydronic Green Heat

    Fusion 300 Advanced Heat Control is a portable hydronic concrete heating/curing, ground thawing system.

     
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    Portable Mixing Station

    Contractors can use the Portamix Hippo PMH 70F mixing station to quickly mix and accurately place construction material on the jobsite.

     
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    Adjustable, Reusable Form

    Contractors using Eco-Pier can adjust each placement to the size specified.

     
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    Civil Engineering Kit

    PERI Variokit system contains rentable, standardized components for use in a variety of applications.

     
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    Insulated Sandwich Inserts

    Easi-Wall insulated sandwich inserts allow for easy concrete placement due to unique foam support system.

     
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    Circular Saw

    Worm Drive Circular Saw DW535 features Toughcord cord retention and protection system.

     
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    Floor Protector

    Scotchgard Stone Floor Protector is a high-performance floor surface hardener and protector.

     
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    Drainable Housewrap

    Hydrofilament Drainable Housewrap offers 140 times more drainage than standard housewraps.

     
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    Sandwich Panel

    Nu-Wall Structural Composite Action Sandwich Wall Panel system enables producers to furnish an energy-efficient building.

     
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    Portable Field Curing Box

    Cure n' Carry is a portable field curing box that meets ASTM 31 for transporting four 4x8 cylinders to the lab.

     
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    Air/Water Barrier Membrane

    Blueskin VP removes the need for mechanical fastening.

     
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    Speed Up Estimating

    KeyEst–Trade Specific Estimating Software uses an interactive database so contractors can prepare a complete and concise bid.

     
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    Tintable Silicone

    Matching decorative features is now easier with the addition of new colors in the 890FTS Field Tintable Silicone lineup.

     
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    Concrete Research Website

    ACI has collaborated with technical organizations within the industry to create a comprehensive collection of published research.

     
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    Test Cylinders

    Bio-Cylinder test cylinders are molded with an additive to allow the plastic to biodegrade in a landfill.

     
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    Warning System

    The Ultra-ADA Pad Composite Model alerts people to a different surface than the surrounding concrete sidewalk when using a tapping cane.

     
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    Storage Container

    Gone are the days of stationary, rusting containers that cost the same to ship and reposition.

     
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    Charger/Radio

    Worksite charger/radio DC012 meets the needs of professional contractors who use their worksite charger/radios daily.

     
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    Insulated Limestone Wall Façade

    Neocantera Ikos is used for nonloadbearing walls.

     
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    Low-Emission Mufflers

    GESi mufflers use the Dry Selective Catalyst (DSC) system to reduce up to 99% of the CO, HC, and NOx.

     
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    Concrete Densifier

    Lythic Densifier, made with colloidal silica, is efficient, profitable, and sustainable.

     
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    Remote Controlled Placement

    Placing concrete is easier with Line Dragon, a four-wheeled, remote-controlled discharge device.

     
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    Ride-On Trowel

    CRT 48-35L-PS Ride-on Trowel with Power Steer reduces the amount of pounds of force needed to operate the unit by as much as 75%.

     
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    Adhesive Tabs for Self-Leveling

    AccuraTab placement measuring system allows for quick installation of self-leveling underlayment products.

     
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    Rebar Tier

    The DF rebar tier allows contractors to increase the speed, efficiency, and ease of binding reinforcing steel.

     
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    Diamond Blades

    Diagrip HG3 diamond blade offers fast, smooth cutting of materials, including reinforced concrete.

     
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    Reflectorless Total Station

    The 50RX total station is rugged and lightweight.

     
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    External ICF Wall Vibrator

    The Wallbrator is designed for all types of ICFs and for either below- or abovegrade apps.

     
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    9-in-1 Tool

    Pocket Wrench is nine tools in one and provides the user the ability to field repair chainsaws, cutoff saws, trimmers, and blowers.

     
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    Gear Polisher

    The Planetary Gear/Belt Driven ThreeHeaded Polisher LCP1703VR is powered by a 10-amp variable speed flex motor.

     
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    Air Compressor System

    The Underhood150 belt-driven air-compressor system provides enough air power to supply two concrete breakers simultaneously.

     
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    Hammer Drill/Driver

    The SFH 18-A CPC Hammer Drill/Driver and SF 18-A CPC Drill/Driver can drill holes in masonry, stone, and steel using three speeds.

     
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    Rotary Hammers

    SDS rotary hammers are designed to provide maximum performance, jobsite durability, and increased comfort.

     
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    Sensor Level

    Ziplevel Pro-2000 features a near-instant setup with a one-person operation.

     
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    Rotating Laser

    The PRE 3 Rotating Laser can measure height, set slope, or measure grade, indoors and outdoors.

     
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    Concrete Vibrator

    The Sure Speed Concrete Vibrator produces uniform and repeatable vibration.

     
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    Manhole Repair Tool

    Manhole Repair/Removal Tool skidsteer attachment reduces the time required to repair manhole covers.

     

PROBLEM CLINIC

  • Repair Spalling With an Overlay

    My brother has a large driveway and parking area in front of his house in eastern Washington state. The concrete surface is spalling, possibly from overuse of deicers. The concrete is a minimum of 6 inches thick with rebar. The concrete is structurally

     

Other Articles

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    Selling Concrete Parking Lots

    The perception among building owners and specifiers is that a concrete parking lot may be better but it's considerably more expensive than asphalt.