More stories about Testing

  • Proposed ASTM Standard for Metal Access Hatches

    A proposed new ASTM specification will help minimize maintenance expense and improve public safety by providing a definitive standard for one essential infrastructure component, fabricated metal access hatches.

  • Testing Strategies for Concrete Pavement Mixes

    Thermal profile testing can greatly reduce the time needed to optimize a mix.

  • High Strength Concrete Testing Set to Begin

    Researchers will study the potential of super-strong concrete enhanced with carbon nanotubes.

  • Improving Concrete Quality Course

    NRMCA is presenting a new one-day course, Improving Concrete Quality,for concrete producers, ingredient material suppliers, engineers, testing labs and contractors. 

  • Power WOC Breakfasts

    Las Vegas never sleeps. So for those World of Concrete attendees who arrive early at the Las Vegas Convention Center, we’ve launched “Breakfast with the Experts”.

  • Point Level Sensors

    Model AP line of RF Admittance point level sensors has a simple two-step calibration function.

  • Test device for surface electrical resistivity of concrete

    Giatec Surf is a laboratory test device for rapid, easy and accurate measurement of the surface electrical resistivity of concrete based on the four-probe (Wenner-Array) technique.

  • ACI Physical Testing of Cement Training Video

    ACI has developed the ACI Physical Testing of Cement Training Video as a resource for new testers and a refresher for experienced testers. The video is presented in chapters based on test methods so each one can be reviewed individually. The following tests are included: ASTM C109 – Compressive...

  • Should Superplaticizers be added at the Plant or the Jobsite?

    Adding water reducers, including superplasticizers, at the ready-mix plant doesn't limit the ability to measure and control slump. What factors determine where they are added?

  • Adding Water to Concrete

    Adding water to a load of concrete may or may not be acceptable, depending on the parameters that must be met