EDITORIAL COMMENT

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    Immersed in Concrete

    For a concrete contractor, managing the day-to-day business operations is just as critical as winning a new project in terms of the success of a contracting business.

     

FEATURES

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SPECIAL SECTION

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    Engineered Forms and Shores

    Contractors today have more options than ever before in selecting form and shoring materials and systems., but the key to proper selection is understanding the driving forces behind increased use of engineered forming and shoring systems: economy, contract language and federal regulations, and...

     
  • Water-Based Release Agents

    Chemically active form release agents have been the standard in forming concrete for years. Usually, a petroleum-based substance (such as kerosene or mineral spirits) serves as a carrier for the active ingredients. However, rising oil costs and increased environmental concerns are two reasons you...

     
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    Getting More Out of Plywood Forms

    The North American plywood industry has been using the same wood veneers and the design values for many years.Changing wood resources, however, have forced North American plywood manufacturers to seek out new sources of veneer and new overlays to provide not only a smoother, more durable product...

     
  • Some Imported Concrete Form Panels Fail to Meet Grade

    APA is cautioning the marketplace to beware of imported panels that in many cases fail to meet North American standards. APA recently tested samples of nontrademarked imported concrete form panels in which the average glue bond performance of the sample did not meet the minimum standard of US...

     

NEWS & EVENTS

  • News & Events

    Sustainable concrete goes to Norway; John Deere's student sponsorship program and more.

     
  • Seeking abstracts for 2008 forum

    The National Ready Mixed Concrete Association (NRMCA) is seeking abstracts for its 2008 Concrete Technology Forum

     

TOLERANCES

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    Tolerances: Two Field Reports

    This past June, thanks to teleconferencing, I was able to sit in on the kickoff meeting for Colin Milberg's "Improved Tolerance Management in Concrete Construction" project.

     

TILT-UP

SAFETY MATTERS

  • Be Safe in the Sun

    Studies have found that those working in the construction field can be exposed to 10 times the National Health and Medical Research Council's recommended daily exposure to UV radiation.

     

DECORATIVE CONCRETE

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JOBSITE PRODUCTS

PRODUCTS SOLVING PROBLEMS

  • Products Solving Problems

    Removing delaminated concrete at Pearl Harbor, and restoring coating at an animal hospital in a week--without closing for business.

     
  • Products Solving Problems

    Removing delaminated concrete at Pearl Harbor, and restoring coating at an animal hospital in a week--without closing for business.

     

PROBLEM CLINIC

  • Correcting for Aggregate Moisture

    Q: I'm fairly new in the concrete business and I know that a mix's water-cement ratio affects how well the concrete turns out, but as a contractor why should I care about something called "aggregate moisture?"