Other stories by William D. Palmer Jr.

  • Silica Dust Requirements for Construction Sites

    OSHA has proposed new more stringent permissible exposure limits for respirable silica dust on jobsites that the construction industry feels are overly stringent and unachievable.

  • New ACI Concrete Design Code

    The new ACI 318 Building Code that will be released later in 2014 has been completely reorganized and should make construction requirements easier to follow.

  • Effectiveness of Liquid Concrete Densifiers

    Liquid hardeners/densifiers are commonly used on concrete floors to increase wear resistance, but how well do they actually perform? Two industry veterans argue on each side of the issue.

  • New Mississippi River Bridge Luncheon at World of Concrete

    The project cement-supplier, Holcim, discussed project challenges and successes.

  • Discussing Joint-Free Floor Slabs at World of Concrete

    Joints in industrial floors are the single most common reason for failure. At the Concrete Slabs Luncheon at World of Concrete, we learned about a few approaches to building floors with much wider joint spacing.

  • Roller-Compacted Concrete: Then and Now

    RCC materials, equipment, and construction techniques have changed little over the past 28 years, accoring to contractor Terry Peltz.

  • Setting up Concrete Pumps

    Concrete boom pumps increase productivity and reduce labor at the jobsite. Producers should be involved in positioning these devices to maintain safety and productivity.

  • Future Cement

    THE NEED TO reduce CO2 emissions has led to the development of many new cementitious materials—a trend that will likely continue for the foreseeable future. But the powerful international portland cement business hasn't given up yet.

  • Data Capture

    Producers strive to collect standard data from different batching systems.

  • The Fly Ash Threat

    Designation as hazardous waste could turn concrete's environmental image on its head.