Brad Shotwell

Brad Shotwell's Posts

  • Features

    Samples extracted from a concrete structure for laboratory study are typically being examined to determine what occurred while the concrete was in service. But sample removal can upset the “equilibrium” of the concrete before it arrives at the laboratory.

  • Features

    Scaling of concrete driveways and sidewalks occurs all too often during the first season’s exposure to cyclic freezing and thawing.

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