Moisture Conditions of Aggregates
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Questions and Answers

Which term refers to the condition of an aggregate that appears to be dry but still has some absorbed moisture in the pore structure?

  • Dry
  • Air dry (correct)
  • Oven dry
  • Moist

    • What does SSD stand for in the context of aggregates?

  • Saturated Surface Damp
  • Saturated Surface Dry (correct)
  • Surface Structure Damp
  • Surface Structure Drying

    • What is the difference between a wet and moist aggregate?

  • Wet aggregates have free moisture present on the particle surface, while moist aggregates have the pores fully filled with water.
  • Wet aggregates are fully submerged in water, while moist aggregates are partially submerged.
  • Wet aggregates have the pores fully filled with water, while moist aggregates have free moisture present on the particle surface. (correct)
  • Wet aggregates are partially submerged in water, while moist aggregates are fully submerged.

    • What is the moisture condition of an aggregate that has been dried to constant mass and cooled to room temperature?

    <p>Dry</p> Signup and view all the answers

    How is the condition of an aggregate obtained when it is kept at 1100 + 5 C until constant weight is reached?

    <p>Oven dry</p> Signup and view all the answers

    Which term refers to the condition of an aggregate in which the surfaces of particles are 'dry' but inter-particles are saturated with water?

    <p>Saturated Surface Dry (SSD)</p> Signup and view all the answers

    What is the moisture condition of an aggregate that has free moisture present on its particle surface?

    <p>Wet condition</p> Signup and view all the answers

    What is the difference between 'Dry' and 'Air dry' conditions of an aggregate?

    <p>Dry condition refers to complete absence of moisture, while Air dry condition refers to some absorbed moisture in the pore structure.</p> Signup and view all the answers

    What is the moisture condition of an aggregate that has been dried to constant mass and cooled to room temperature?

    <p>Dry condition</p> Signup and view all the answers

    What is the condition of an aggregate that appears to be dry but still has some absorbed moisture in the pore structure?

    <p>Air dry condition</p> Signup and view all the answers

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