imi Concrete Quality Assurance

    1. Video: Effects of Water on Concrete

    2. Quiz: Effects of Water on Concrete

    1. Video: Curing & Handling Cylinders (ASTM C 31)

    2. Quiz: Curing & Handling Cylinders (ASTM C 31)

    1. Video: Understanding and Preventing Cracks in Concrete Surfaces

    2. Quiz: Understanding and Preventing Cracks in Concrete Surfaces
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